コード例 #1
0
 /**
  * Invoke method, every class will have its own
  * returns true/false on completion, setting both
  * errormsg and output as necessary
  */
 function invoke()
 {
     parent::invoke();
     $result = true;
     /// Set own core attributes
     //$this->does_generate = ACTION_NONE;
     $this->does_generate = ACTION_GENERATE_HTML;
     /// These are always here
     global $CFG, $XMLDB, $db;
     /// ADD YOUR CODE HERE
     require_once $CFG->libdir . '/ddllib.php';
     /// Where all the tests will be stored
     $tests = array();
     /// The back to edit table button
     $b = ' <p class="centerpara buttons">';
     $b .= '<a href="index.php">[' . $this->str['back'] . ']</a>';
     $b .= '</p>';
     $o = $b;
     /// Silenty drop any previous test tables
     $table = new XMLDBTable('testtable');
     if (table_exists($table)) {
         $status = drop_table($table, true, false);
     }
     $table = new XMLDBTable('anothertest');
     if (table_exists($table)) {
         $status = drop_table($table, true, false);
     }
     $table = new XMLDBTable('newnameforthetable');
     if (table_exists($table)) {
         $status = drop_table($table, true, false);
     }
     /// 1st test. Complete table creation.
     $table = new XMLDBTable('testtable');
     $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
     $table->addFieldInfo('course', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
     $table->addFieldInfo('type', XMLDB_TYPE_CHAR, '20', null, XMLDB_NOTNULL, null, XMLDB_ENUM, array('single', 'news', 'general', 'social', 'eachuser', 'teacher', 'qanda'), 'general');
     $table->addFieldInfo('name', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, null, null);
     $table->addFieldInfo('intro', XMLDB_TYPE_TEXT, 'small', null, XMLDB_NOTNULL, null, null, null, null);
     $table->addFieldInfo('logo', XMLDB_TYPE_BINARY, 'big', null, XMLDB_NOTNULL, null, null, null);
     $table->addFieldInfo('assessed', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
     $table->addFieldInfo('assesstimestart', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
     $table->addFieldInfo('assesstimefinish', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
     $table->addFieldInfo('scale', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null, null, '0');
     $table->addFieldInfo('maxbytes', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
     $table->addFieldInfo('forcesubscribe', XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
     $table->addFieldInfo('trackingtype', XMLDB_TYPE_INTEGER, '2', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '1');
     $table->addFieldInfo('rsstype', XMLDB_TYPE_INTEGER, '2', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
     $table->addFieldInfo('rssarticles', XMLDB_TYPE_INTEGER, '2', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
     $table->addFieldInfo('timemodified', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
     $table->addFieldInfo('grade', XMLDB_TYPE_NUMBER, '20,0', XMLDB_UNSIGNED, null, null, null, null, null);
     $table->addFieldInfo('percent', XMLDB_TYPE_NUMBER, '5,2', null, null, null, null, null, null);
     $table->addFieldInfo('warnafter', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
     $table->addFieldInfo('blockafter', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
     $table->addFieldInfo('blockperiod', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
     $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
     $table->addKeyInfo('type-name', XMLDB_KEY_UNIQUE, array('type', 'name'));
     $table->addIndexInfo('course', XMLDB_INDEX_NOTUNIQUE, array('course'));
     $table->addIndexInfo('rsstype', XMLDB_INDEX_UNIQUE, array('rsstype'));
     $table->setComment("This is a test'n drop table. You can drop it safely");
     /// Get SQL code and execute it
     $test = new stdClass();
     $test->sql = $table->getCreateTableSQL($CFG->dbtype, $CFG->prefix, true);
     $test->status = create_table($table, false, false);
     if (!$test->status) {
         $test->error = $db->ErrorMsg();
     }
     $tests['create table'] = $test;
     /// 2nd test. drop table
     if ($test->status) {
         /// Get SQL code and execute it
         $test = new stdClass();
         $test->sql = $table->getDropTableSQL($CFG->dbtype, $CFG->prefix, true);
         $test->status = drop_table($table, false, false);
         if (!$test->status) {
             $test->error = $db->ErrorMsg();
         }
         $tests['drop table'] = $test;
     }
     /// 3rd test. creating another, smaller table
     if ($test->status) {
         $table = new XMLDBTable('anothertest');
         $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
         $table->addFieldInfo('course', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
         $table->addFieldInfo('name', XMLDB_TYPE_CHAR, '30', null, null, null, null, null, 'Moodle');
         $table->addFieldInfo('secondname', XMLDB_TYPE_CHAR, '30', null, XMLDB_NOTNULL, null, null, null, null);
         $table->addFieldInfo('intro', XMLDB_TYPE_TEXT, 'medium', null, XMLDB_NOTNULL, null, null, null, null);
         $table->addFieldInfo('avatar', XMLDB_TYPE_BINARY, 'medium', null, null, null, null, null, null);
         $table->addFieldInfo('grade', XMLDB_TYPE_NUMBER, '20,10', null, null, null, null, null);
         $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
         /// Get SQL code and execute it
         $test = new stdClass();
         $test->sql = $table->getCreateTableSQL($CFG->dbtype, $CFG->prefix, true);
         $test->status = create_table($table, false, false);
         if (!$test->status) {
             $test->error = $db->ErrorMsg();
         }
         $tests['create table - 2'] = $test;
     }
     /// Insert two records to do the work with real data
     $rec->course = 1;
     $rec->name = 'Martin';
     $rec->secondname = 'Dougiamas';
     $rec->intro = 'The creator of Moodle';
     $rec->grade = 10.0001;
     insert_record('anothertest', $rec);
     $rec->course = 2;
     $rec->name = 'Eloy';
     $rec->secondname = 'Lafuente';
     $rec->intro = 'One poor developer';
     $rec->grade = 9.99;
     insert_record('anothertest', $rec);
     /// 4th test. Adding one complex enum field
     if ($test->status) {
         /// Create a new field with complex specs (enums are good candidates)
         $field = new XMLDBField('type');
         $field->setAttributes(XMLDB_TYPE_CHAR, '20', null, XMLDB_NOTNULL, null, XMLDB_ENUM, array('single', 'news', 'general', 'social', 'eachuser', 'teacher', 'qanda'), 'general', 'course');
         /// Get SQL code and execute it
         $test = new stdClass();
         $test->sql = $table->getAddFieldSQL($CFG->dbtype, $CFG->prefix, $field, true);
         $test->status = add_field($table, $field, false, false);
         if (!$test->status) {
             $test->error = $db->ErrorMsg();
         }
         $tests['add enum field'] = $test;
     }
     /// 5th test. Dropping one complex enum field
     if ($test->status) {
         /// Create a new field with complex specs (enums are good candidates)
         $test = new stdClass();
         $test->sql = $table->getDropFieldSQL($CFG->dbtype, $CFG->prefix, $field, true);
         $test->status = drop_field($table, $field, false, false);
         if (!$test->status) {
             $test->error = $db->ErrorMsg();
         }
         $tests['drop enum field'] = $test;
     }
     /// 6th test. Adding one complex enum field
     if ($test->status) {
         /// Create a new field with complex specs (enums are good candidates)
         $field = new XMLDBField('type');
         $field->setAttributes(XMLDB_TYPE_CHAR, '20', null, XMLDB_NOTNULL, null, XMLDB_ENUM, array('single', 'news', 'general', 'social', 'eachuser', 'teacher', 'qanda'), 'general', 'course');
         /// Get SQL code and execute it
         $test = new stdClass();
         $test->sql = $table->getAddFieldSQL($CFG->dbtype, $CFG->prefix, $field, true);
         $test->status = add_field($table, $field, false, false);
         if (!$test->status) {
             $test->error = $db->ErrorMsg();
         }
         $tests['add enum field again'] = $test;
     }
     /// 7th test. Adding one numeric field
     if ($test->status) {
         /// Create a new field (numeric)
         $field = new XMLDBField('onenumber');
         $field->setAttributes(XMLDB_TYPE_INTEGER, '6', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, 0, 'type');
         /// Get SQL code and execute it
         $test = new stdClass();
         $test->sql = $table->getAddFieldSQL($CFG->dbtype, $CFG->prefix, $field, true);
         $test->status = add_field($table, $field, false, false);
         if (!$test->status) {
             $test->error = $db->ErrorMsg();
         }
         $tests['add numeric field'] = $test;
     }
     /// 8th test. Dropping one complex enum field
     if ($test->status) {
         /// Create a new field with complex specs (enums are good candidates)
         $field = new XMLDBField('type');
         $test = new stdClass();
         $test->sql = $table->getDropFieldSQL($CFG->dbtype, $CFG->prefix, $field, true);
         $test->status = drop_field($table, $field, false, false);
         if (!$test->status) {
             $test->error = $db->ErrorMsg();
         }
         $tests['drop enum field again'] = $test;
     }
     /// 9th test. Change the type of one column from integer to varchar
     if ($test->status) {
         /// Get SQL code and execute it
         $test = new stdClass();
         $field = new XMLDBField('course');
         $field->setAttributes(XMLDB_TYPE_CHAR, '30', null, XMLDB_NOTNULL, null, null, null, '0');
         $test->sql = $table->getAlterFieldSQL($CFG->dbtype, $CFG->prefix, $field, true);
         $test->status = change_field_type($table, $field, false, false);
         if (!$test->status) {
             $test->error = $db->ErrorMsg();
         }
         $tests['change field type (int2char)'] = $test;
     }
     /// 10th test. Change the type of one column from varchar to integer
     if ($test->status) {
         /// Get SQL code and execute it
         $test = new stdClass();
         $field = new XMLDBField('course');
         $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
         $test->sql = $table->getAlterFieldSQL($CFG->dbtype, $CFG->prefix, $field, true);
         $test->status = change_field_type($table, $field, false, false);
         if (!$test->status) {
             $test->error = $db->ErrorMsg();
         }
         $tests['change field type (char2int)'] = $test;
     }
     /// 11th test. Change the type of one column from number to varchar
     if ($test->status) {
         /// Get SQL code and execute it
         $test = new stdClass();
         $field = new XMLDBField('grade');
         $field->setAttributes(XMLDB_TYPE_CHAR, '20', null, XMLDB_NOTNULL, null, null, null, "test'n drop");
         $test->sql = $table->getAlterFieldSQL($CFG->dbtype, $CFG->prefix, $field, true);
         $test->status = change_field_type($table, $field, false, false);
         if (!$test->status) {
             $test->error = $db->ErrorMsg();
         }
         $tests['change field type (number2char)'] = $test;
     }
     /// 12th test. Change the type of one column from varchar to float
     if ($test->status) {
         /// Get SQL code and execute it
         $test = new stdClass();
         $field = new XMLDBField('grade');
         $field->setAttributes(XMLDB_TYPE_FLOAT, '20,10', XMLDB_UNSIGNED, null, null, null, null, null);
         $test->sql = $table->getAlterFieldSQL($CFG->dbtype, $CFG->prefix, $field, true);
         $test->status = change_field_type($table, $field, false, false);
         if (!$test->status) {
             $test->error = $db->ErrorMsg();
         }
         $tests['change field type (char2float)'] = $test;
     }
     /// 13th test. Change the type of one column from float to char
     if ($test->status) {
         /// Get SQL code and execute it
         $test = new stdClass();
         $field = new XMLDBField('grade');
         $field->setAttributes(XMLDB_TYPE_CHAR, '20', null, XMLDB_NOTNULL, null, null, null, 'test');
         $test->sql = $table->getAlterFieldSQL($CFG->dbtype, $CFG->prefix, $field, true);
         $test->status = change_field_type($table, $field, false, false);
         if (!$test->status) {
             $test->error = $db->ErrorMsg();
         }
         $tests['change field type (float2char)'] = $test;
     }
     /// 14th test. Change the type of one column from char to number
     if ($test->status) {
         /// Get SQL code and execute it
         $test = new stdClass();
         $field = new XMLDBField('grade');
         $field->setAttributes(XMLDB_TYPE_NUMBER, '20,10', XMLDB_UNSIGNED, null, null, null, null, null);
         $test->sql = $table->getAlterFieldSQL($CFG->dbtype, $CFG->prefix, $field, true);
         $test->status = change_field_type($table, $field, false, false);
         if (!$test->status) {
             $test->error = $db->ErrorMsg();
         }
         $tests['change field type (char2number)'] = $test;
     }
     /// 15th test. Change the precision of one text field
     if ($test->status) {
         /// Get SQL code and execute it
         $test = new stdClass();
         $field = new XMLDBField('intro');
         $field->setAttributes(XMLDB_TYPE_TEXT, 'big', null, XMLDB_NOTNULL, null, null, null, null);
         $test->sql = $table->getAlterFieldSQL($CFG->dbtype, $CFG->prefix, $field, true);
         $test->status = change_field_precision($table, $field, false, false);
         if (!$test->status) {
             $test->error = $db->ErrorMsg();
         }
         $tests['change field precision (text)'] = $test;
     }
     /// 16th test. Change the precision of one char field
     if ($test->status) {
         /// Get SQL code and execute it
         $test = new stdClass();
         $field = new XMLDBField('secondname');
         $field->setAttributes(XMLDB_TYPE_CHAR, '10', null, XMLDB_NOTNULL, null, null, null, null);
         $test->sql = $table->getAlterFieldSQL($CFG->dbtype, $CFG->prefix, $field, true);
         $test->status = change_field_precision($table, $field, false, false);
         if (!$test->status) {
             $test->error = $db->ErrorMsg();
         }
         $tests['change field precision (char)'] = $test;
     }
     /// 17th test. Change the precision of one numeric field
     if ($test->status) {
         /// Get SQL code and execute it
         $test = new stdClass();
         $field = new XMLDBField('grade');
         $field->setAttributes(XMLDB_TYPE_NUMBER, '10,2', null, null, null, null, null, null);
         $test->sql = $table->getAlterFieldSQL($CFG->dbtype, $CFG->prefix, $field, true);
         $test->status = change_field_precision($table, $field, false, false);
         if (!$test->status) {
             $test->error = $db->ErrorMsg();
         }
         $tests['change field precision (number)'] = $test;
     }
     /// 18th test. Change the precision of one integer field to a smaller one
     if ($test->status) {
         /// Get SQL code and execute it
         $test = new stdClass();
         $field = new XMLDBField('course');
         $field->setAttributes(XMLDB_TYPE_INTEGER, '5', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
         $test->sql = $table->getAlterFieldSQL($CFG->dbtype, $CFG->prefix, $field, true);
         $test->status = change_field_precision($table, $field, false, false);
         if (!$test->status) {
             $test->error = $db->ErrorMsg();
         }
         $tests['change field precision (integer) to smaller one'] = $test;
     }
     /// 19th test. Change the sign of one numeric field to unsigned
     if ($test->status) {
         /// Get SQL code and execute it
         $test = new stdClass();
         $field = new XMLDBField('grade');
         $field->setAttributes(XMLDB_TYPE_NUMBER, '10,2', XMLDB_UNSIGNED, null, null, null, null, null);
         $test->sql = $table->getAlterFieldSQL($CFG->dbtype, $CFG->prefix, $field, true);
         $test->status = change_field_unsigned($table, $field, false, false);
         if (!$test->status) {
             $test->error = $db->ErrorMsg();
         }
         $tests['change field sign (unsigned)'] = $test;
     }
     /// 20th test. Change the sign of one numeric field to signed
     if ($test->status) {
         /// Get SQL code and execute it
         $test = new stdClass();
         $field = new XMLDBField('grade');
         $field->setAttributes(XMLDB_TYPE_NUMBER, '10,2', null, null, null, null, null, null);
         $test->sql = $table->getAlterFieldSQL($CFG->dbtype, $CFG->prefix, $field, true);
         $test->status = change_field_unsigned($table, $field, false, false);
         if (!$test->status) {
             $test->error = $db->ErrorMsg();
         }
         $tests['change field sign (signed)'] = $test;
     }
     /// 21th test. Change the nullability of one char field to not null
     if ($test->status) {
         /// Get SQL code and execute it
         $test = new stdClass();
         $field = new XMLDBField('name');
         $field->setAttributes(XMLDB_TYPE_CHAR, '30', null, XMLDB_NOTNULL, null, null, null, 'Moodle');
         $test->sql = $table->getAlterFieldSQL($CFG->dbtype, $CFG->prefix, $field, true);
         $test->status = change_field_notnull($table, $field, false, false);
         if (!$test->status) {
             $test->error = $db->ErrorMsg();
         }
         $tests['change field nullability (not null)'] = $test;
     }
     /// 22th test. Change the nullability of one char field to null
     if ($test->status) {
         /// Get SQL code and execute it
         $test = new stdClass();
         $field = new XMLDBField('name');
         $field->setAttributes(XMLDB_TYPE_CHAR, '30', null, null, null, null, null, 'Moodle');
         $test->sql = $table->getAlterFieldSQL($CFG->dbtype, $CFG->prefix, $field, true);
         $test->status = change_field_notnull($table, $field, false, false);
         if (!$test->status) {
             $test->error = $db->ErrorMsg();
         }
         $tests['change field nullability (null)'] = $test;
     }
     /// 23th test. Dropping the default of one field
     if ($test->status) {
         /// Get SQL code and execute it
         $test = new stdClass();
         $field = new XMLDBField('name');
         $field->setAttributes(XMLDB_TYPE_CHAR, '30', null, null, null, null, null, null);
         $test->sql = $table->getModifyDefaultSQL($CFG->dbtype, $CFG->prefix, $field, true);
         $test->status = change_field_default($table, $field, false, false);
         if (!$test->status) {
             $test->error = $db->ErrorMsg();
         }
         $tests['drop field default of NULL field'] = $test;
     }
     /// 24th test. Creating the default for one field
     if ($test->status) {
         /// Get SQL code and execute it
         $test = new stdClass();
         $field = new XMLDBField('name');
         $field->setAttributes(XMLDB_TYPE_CHAR, '30', null, null, null, null, null, 'Moodle');
         $test->sql = $table->getModifyDefaultSQL($CFG->dbtype, $CFG->prefix, $field, true);
         $test->status = change_field_default($table, $field, false, false);
         if (!$test->status) {
             $test->error = $db->ErrorMsg();
         }
         $tests['add field default of NULL field'] = $test;
     }
     /// 25th test. Creating the default for one field
     if ($test->status) {
         /// Get SQL code and execute it
         $test = new stdClass();
         $field = new XMLDBField('secondname');
         $field->setAttributes(XMLDB_TYPE_CHAR, '10', null, XMLDB_NOTNULL, null, null, null, 'Moodle2');
         $test->sql = $table->getModifyDefaultSQL($CFG->dbtype, $CFG->prefix, $field, true);
         $test->status = change_field_default($table, $field, false, false);
         if (!$test->status) {
             $test->error = $db->ErrorMsg();
         }
         $tests['add field default of NOT NULL field'] = $test;
     }
     /// 26th test. Dropping the default of one NOT NULL field
     if ($test->status) {
         /// Get SQL code and execute it
         $test = new stdClass();
         $field = new XMLDBField('secondname');
         $field->setAttributes(XMLDB_TYPE_CHAR, '10', null, XMLDB_NOTNULL, null, null, null, null);
         $test->sql = $table->getModifyDefaultSQL($CFG->dbtype, $CFG->prefix, $field, true);
         $test->status = change_field_default($table, $field, false, false);
         if (!$test->status) {
             $test->error = $db->ErrorMsg();
         }
         $tests['drop field default of NOT NULL field'] = $test;
     }
     /// 27th test. Adding one unique index to the table
     if ($test->status) {
         /// Get SQL code and execute it
         $test = new stdClass();
         $index = new XMLDBIndex('secondname');
         $index->setAttributes(XMLDB_INDEX_UNIQUE, array('name', 'secondname', 'grade'));
         $test->sql = $table->getAddIndexSQL($CFG->dbtype, $CFG->prefix, $index, true);
         $test->status = add_index($table, $index, false, false);
         if (!$test->status) {
             $test->error = $db->ErrorMsg();
         }
         $tests['add unique index'] = $test;
     }
     /// 28th test. Adding one not unique index to the table
     if ($test->status) {
         /// Get SQL code and execute it
         $test = new stdClass();
         $index = new XMLDBIndex('secondname');
         $index->setAttributes(XMLDB_INDEX_NOTUNIQUE, array('course', 'name'));
         $test->sql = $table->getAddIndexSQL($CFG->dbtype, $CFG->prefix, $index, true);
         $test->status = add_index($table, $index, false, false);
         if (!$test->status) {
             $test->error = $db->ErrorMsg();
         }
         $tests['add not unique index'] = $test;
     }
     /// 29th test. Re-add the same index than previous test. Check find_index_name() works.
     if ($test->status) {
         /// Get SQL code and execute it
         $test = new stdClass();
         $index = new XMLDBIndex('secondname');
         $index->setAttributes(XMLDB_INDEX_NOTUNIQUE, array('name', 'course'));
         if ($indexfound = find_index_name($table, $index)) {
             $test->status = true;
             $test->sql = array();
         } else {
             $test->status = true;
             $test->error = 'Index not found!';
             $test->sql = array();
         }
         $tests['check find_index_name()'] = $test;
     }
     /// 30th test. Dropping one index from the table
     if ($test->status) {
         /// Get SQL code and execute it
         $test = new stdClass();
         $index = new XMLDBIndex('name');
         $index->setAttributes(XMLDB_INDEX_UNIQUE, array('name', 'grade', 'secondname'));
         $test->sql = $table->getDropIndexSQL($CFG->dbtype, $CFG->prefix, $index, true);
         $test->status = drop_index($table, $index, false, false);
         if (!$test->status) {
             $test->error = $db->ErrorMsg();
         }
         $tests['drop index'] = $test;
     }
     /// 31th test. Adding one unique key to the table
     if ($test->status) {
         /// Get SQL code and execute it
         $test = new stdClass();
         $key = new XMLDBKey('id-course-grade');
         $key->setAttributes(XMLDB_KEY_UNIQUE, array('id', 'course', 'grade'));
         $test->sql = $table->getAddKeySQL($CFG->dbtype, $CFG->prefix, $key, true);
         $test->status = add_key($table, $key, false, false);
         if (!$test->status) {
             $test->error = $db->ErrorMsg();
         }
         $tests['add unique key'] = $test;
     }
     /// 32th test. Adding one foreign+unique key to the table
     if ($test->status) {
         /// Get SQL code and execute it
         $test = new stdClass();
         $key = new XMLDBKey('course');
         $key->setAttributes(XMLDB_KEY_FOREIGN_UNIQUE, array('course'), 'anothertest', array('id'));
         $test->sql = $table->getAddKeySQL($CFG->dbtype, $CFG->prefix, $key, true);
         $test->status = add_key($table, $key, false, false);
         if (!$test->status) {
             $test->error = $db->ErrorMsg();
         }
         $tests['add foreign+unique key'] = $test;
     }
     /// 33th test. Drop one key
     if ($test->status) {
         /// Get SQL code and execute it
         $test = new stdClass();
         $key = new XMLDBKey('course');
         $key->setAttributes(XMLDB_KEY_FOREIGN_UNIQUE, array('course'), 'anothertest', array('id'));
         $test->sql = $table->getDropKeySQL($CFG->dbtype, $CFG->prefix, $key, true);
         $test->status = drop_key($table, $key, false, false);
         if (!$test->status) {
             $test->error = $db->ErrorMsg();
         }
         $tests['drop foreign+unique key'] = $test;
     }
     /// 34th test. Adding one foreign key to the table
     if ($test->status) {
         /// Get SQL code and execute it
         $test = new stdClass();
         $key = new XMLDBKey('course');
         $key->setAttributes(XMLDB_KEY_FOREIGN, array('course'), 'anothertest', array('id'));
         $test->sql = $table->getAddKeySQL($CFG->dbtype, $CFG->prefix, $key, true);
         $test->status = add_key($table, $key, false, false);
         if (!$test->status) {
             $test->error = $db->ErrorMsg();
         }
         $tests['add foreign key'] = $test;
     }
     /// 35th test. Drop one foreign key
     if ($test->status) {
         /// Get SQL code and execute it
         $test = new stdClass();
         $key = new XMLDBKey('course');
         $key->setAttributes(XMLDB_KEY_FOREIGN, array('course'), 'anothertest', array('id'));
         $test->sql = $table->getDropKeySQL($CFG->dbtype, $CFG->prefix, $key, true);
         $test->status = drop_key($table, $key, false, false);
         if (!$test->status) {
             $test->error = $db->ErrorMsg();
         }
         $tests['drop foreign key'] = $test;
     }
     /// 36th test. Adding one complex enum field
     if ($test->status) {
         /// Create a new field with complex specs (enums are good candidates)
         $field = new XMLDBField('type');
         $field->setAttributes(XMLDB_TYPE_CHAR, '20', null, XMLDB_NOTNULL, null, XMLDB_ENUM, array('single', 'news', 'general', 'social', 'eachuser', 'teacher', 'qanda'), 'general', 'course');
         /// Get SQL code and execute it
         $test = new stdClass();
         $test->sql = $table->getAddFieldSQL($CFG->dbtype, $CFG->prefix, $field, true);
         $test->status = add_field($table, $field, false, false);
         if (!$test->status) {
             $test->error = $db->ErrorMsg();
         }
         $tests['add field with enum'] = $test;
     }
     /// 37th test. Dropping the enum of one field
     if ($test->status) {
         /// Get SQL code and execute it
         $test = new stdClass();
         $field = new XMLDBField('type');
         $field->setAttributes(XMLDB_TYPE_CHAR, '20', null, XMLDB_NOTNULL, null, null, null, 'general', 'course');
         $test->sql = $table->getModifyEnumSQL($CFG->dbtype, $CFG->prefix, $field, true);
         $test->status = change_field_enum($table, $field, false, false);
         if (!$test->status) {
             $test->error = $db->ErrorMsg();
         }
         $tests['delete enumlist from one field'] = $test;
     }
     /// 38th test. Creating the enum for one field
     if ($test->status) {
         /// Get SQL code and execute it
         $test = new stdClass();
         $field = new XMLDBField('type');
         $field->setAttributes(XMLDB_TYPE_CHAR, '20', null, XMLDB_NOTNULL, null, XMLDB_ENUM, array('single', 'news', 'general', 'social', 'eachuser', 'teacher', 'qanda'), 'general', 'course');
         $test->sql = $table->getModifyEnumSQL($CFG->dbtype, $CFG->prefix, $field, true);
         $test->status = change_field_enum($table, $field, false, false);
         if (!$test->status) {
             $test->error = $db->ErrorMsg();
         }
         $tests['add enumlist to one field'] = $test;
     }
     /// 39th test. Renaming one index
     if ($test->status) {
         /// Get SQL code and execute it
         $test = new stdClass();
         $index = new XMLDBIndex('anyname');
         $index->setAttributes(XMLDB_INDEX_UNIQUE, array('name', 'course'));
         $test->sql = $table->getRenameIndexSQL($CFG->dbtype, $CFG->prefix, $index, 'newnamefortheindex', true);
         $test->status = rename_index($table, $index, 'newnamefortheindex', false, false);
         if (!$test->status) {
             $test->error = $db->ErrorMsg();
         }
         $tests['rename index (experimental. DO NOT USE IT)'] = $test;
     }
     /// 40th test. Renaming one key
     if ($test->status) {
         /// Get SQL code and execute it
         $test = new stdClass();
         $key = new XMLDBKey('anyname');
         $key->setAttributes(XMLDB_KEY_UNIQUE, array('id', 'course', 'grade'));
         $test->sql = $table->getRenameKeySQL($CFG->dbtype, $CFG->prefix, $key, 'newnameforthekey', true);
         $test->status = rename_key($table, $key, 'newnameforthekey', false, false);
         if (!$test->status) {
             $test->error = $db->ErrorMsg();
         }
         $tests['rename key (experimental. DO NOT USE IT)'] = $test;
     }
     /// 41th test. Renaming one field
     if ($test->status) {
         /// Get SQL code and execute it
         $test = new stdClass();
         $field = new XMLDBField('type');
         $field->setAttributes(XMLDB_TYPE_CHAR, '20', null, XMLDB_NOTNULL, null, XMLDB_ENUM, array('single', 'news', 'general', 'social', 'eachuser', 'teacher', 'qanda'), 'general', 'course');
         $test->sql = $table->getRenameFieldSQL($CFG->dbtype, $CFG->prefix, $field, 'newnameforthefield', true);
         $test->status = rename_field($table, $field, 'newnameforthefield', false, false);
         if (!$test->status) {
             $test->error = $db->ErrorMsg();
         }
         $tests['rename field'] = $test;
     }
     /// 42th test. Renaming one table
     if ($test->status) {
         /// Get SQL code and execute it
         $test = new stdClass();
         $test->sql = $table->getRenameTableSQL($CFG->dbtype, $CFG->prefix, 'newnameforthetable', true);
         $test->status = rename_table($table, 'newnameforthetable', false, false);
         if (!$test->status) {
             $test->error = $db->ErrorMsg();
         }
         $tests['rename table'] = $test;
     }
     /// 43th test. Add enum to field containing enum
     if ($test->status) {
         /// Add enum to field containing enum
         $table->setName('newnameforthetable');
         $field = new XMLDBField('newnameforthefield');
         $field->setAttributes(XMLDB_TYPE_CHAR, '20', null, XMLDB_NOTNULL, null, XMLDB_ENUM, array('single', 'news', 'general', 'social', 'eachuser', 'teacher', 'qanda'), 'general', 'course');
         /// Get SQL code and execute it
         $test = new stdClass();
         $test->sql = $table->getModifyEnumSQL($CFG->dbtype, $CFG->prefix, $field, true);
         $test->status = change_field_enum($table, $field, false, false);
         /// Let's see if the constraint exists to alter results
         if (check_constraint_exists($table, $field)) {
             $test->sql = array('Nothing executed. Enum already exists. Correct.');
         } else {
             $test->status = false;
         }
         if (!$test->status) {
             $test->error = $db->ErrorMsg();
         }
         $tests['add enum to field containing enum'] = $test;
     }
     /// 44th test. Drop enum from field containing enum
     if ($test->status) {
         /// Drop enum from field containing enum
         $table->setName('newnameforthetable');
         $field = new XMLDBField('newnameforthefield');
         $field->setAttributes(XMLDB_TYPE_CHAR, '20', null, XMLDB_NOTNULL, null, null, null, 'general', 'course');
         /// Get SQL code and execute it
         $test = new stdClass();
         $test->sql = $table->getModifyEnumSQL($CFG->dbtype, $CFG->prefix, $field, true);
         $test->status = change_field_enum($table, $field, false, false);
         if (!$test->status) {
             $test->error = $db->ErrorMsg();
         }
         $tests['drop enum from field containing enum'] = $test;
     }
     /// 45th test. Drop enum from field not containing enum
     if ($test->status) {
         /// Drop enum from field not containing enum
         $table->setName('newnameforthetable');
         $field = new XMLDBField('newnameforthefield');
         $field->setAttributes(XMLDB_TYPE_CHAR, '20', null, XMLDB_NOTNULL, null, null, null, 'general', 'course');
         /// Get SQL code and execute it
         $test = new stdClass();
         $test->sql = $table->getModifyEnumSQL($CFG->dbtype, $CFG->prefix, $field, true);
         $test->status = change_field_enum($table, $field, false, false);
         /// Let's see if the constraint exists to alter results
         if (!check_constraint_exists($table, $field)) {
             $test->sql = array('Nothing executed. Enum does not exists. Correct.');
         } else {
             $test->status = false;
         }
         if (!$test->status) {
             $test->error = $db->ErrorMsg();
         }
         $tests['drop enum from field not containing enum'] = $test;
     }
     /// 46th test. Getting the PK sequence name for one table
     if ($test->status) {
         $test = new stdClass();
         $test->sql = array(find_sequence_name($table));
         $test->status = find_sequence_name($table);
         if (!$test->status) {
             if (!($test->error = $db->ErrorMsg())) {
                 //If no db errors, result is ok. Just the driver doesn't support this
                 $test->sql = array('Not needed for this DB. Correct.');
                 $test->status = true;
             }
         }
         $tests['find sequence name'] = $test;
     }
     /// 47th test. Inserting TEXT contents
     $textlib = textlib_get_instance();
     if ($test->status) {
         $test = new stdClass();
         $test->status = false;
         $test->sql = array();
         $basetext = "\\ ''語 • Русский • Deutsch • English • Español • Français • Italiano • Nederlands • Polski • Português • Svenska • العربية • فارسی 한국어 • עברית • ไทย中文  Ελληνικά • Български • Српски • Українська • Bosanski • Català • Česky • Dansk • Eesti • Simple English • Esperanto • Euskara • Galego • Hrvatski • Ido • Bahasa Indonesia • Íslenska • Lëtzebuergesch • Lietuvių • Magyar • Bahasa Melayu اردو • ئۇيغۇرچه • हिन्दी • नेपाल भाषा मराठी • தமிழ் Հայերեն • Беларуская • Чăваш • Ирон æвзаг • Македонски • Сибирской говор • Afrikaans • Aragonés • Arpitan • Asturianu • Kreyòl Ayisyen • Azərbaycan • Bân-lâm-gú • Basa Banyumasan • Brezhoneg • Corsu • Cymraeg • Deitsch • Føroyskt • Frysk • Furlan • Gaeilge • Gàidhlig • Ilokano • Interlingua • Basa Jawa • Kapampangan • Kernewek • Kurdî  كوردی • Ladino  לאדינו • Latina • Latviešu • Limburgs • Lumbaart • Nedersaksisch • Nouormand • Occitan • O‘zbek • Piemontèis • Plattdüütsch • Ripoarisch • Sámegiella • Scots • Shqip • Sicilianu • Sinugboanon • Srpskohrvatski / Српскохрватски • Basa Sunda • Kiswahili • Tagalog • Tatarça • Walon • Winaray  Авар • Башҡорт • Кыргызча  Монгол • Қазақша • Тоҷикӣ • Удмурт • Armãneashce • Bamanankan • Eald Englisc • Gaelg • Interlingue • Kaszëbsczi • Kongo • Ligure • Lingála • lojban • Malagasy • Malti • Māori • Nāhuatl • Ekakairũ Naoero • Novial • Pangasinán • Tok Pisin • Romani / रोमानी • Rumantsch • Runa Simi • Sardu • Tetun • Türkmen / تركمن / Туркмен • Vèneto • Volapük • Võro • West-Vlaoms • Wollof • Zazaki • Žemaitėška";
         /// Create one big text (1.500.000 chars)
         $fulltext = '';
         for ($i = 0; $i < 1000; $i++) {
             //1500 * 1000 chars
             $fulltext .= $basetext;
         }
         /// Build the record to insert
         $rec->intro = addslashes($fulltext);
         $rec->name = 'texttest';
         /// Calculate its length
         $textlen = $textlib->strlen($fulltext);
         if ($rec->id = insert_record('newnameforthetable', $rec)) {
             if ($new = get_record('newnameforthetable', 'id', $rec->id)) {
                 delete_records('newnameforthetable', 'id', $new->id);
                 $newtextlen = $textlib->strlen($new->intro);
                 if ($fulltext === $new->intro) {
                     $test->sql = array($newtextlen . ' cc. (text) sent and received ok');
                     $test->status = true;
                 } else {
                     $test->error = $db->ErrorMsg();
                     $test->sql = array($newtextlen . ' cc. (text) transfer failed. Data changed!');
                     print_object($new);
                     $test->status = false;
                 }
             } else {
                 $test->error = $db->ErrorMsg();
             }
         } else {
             $test->error = $db->ErrorMsg();
         }
         $tests['insert record ' . $textlen . ' cc. (text)'] = $test;
     }
     /// 48th test. Inserting BINARY contents
     if ($test->status) {
         $test = new stdClass();
         $test->status = false;
         /// Build the record to insert
         $rec->avatar = addslashes($fulltext);
         $rec->name = 'binarytest';
         /// Calculate its length
         $textlen = strlen($fulltext);
         if ($rec->id = insert_record('newnameforthetable', $rec)) {
             if ($new = get_record('newnameforthetable', 'id', $rec->id)) {
                 $newtextlen = strlen($new->avatar);
                 if ($fulltext === $new->avatar) {
                     $test->sql = array($newtextlen . ' bytes (binary) sent and received ok');
                     $test->status = true;
                 } else {
                     $test->error = $db->ErrorMsg();
                     $test->sql = array($newtextlen . ' bytes (binary) transfer failed. Data changed!');
                     $test->status = false;
                 }
             } else {
                 $test->error = $db->ErrorMsg();
             }
         } else {
             $test->error = $db->ErrorMsg();
         }
         $tests['insert record ' . $textlen . ' bytes (binary)'] = $test;
     }
     /// 49th test. update_record with TEXT and BINARY contents
     if ($test->status) {
         $test = new stdClass();
         $test->status = false;
         $test->sql = array();
         /// Build the record to insert
         $rec->intro = addslashes($basetext);
         $rec->avatar = addslashes($basetext);
         $rec->name = 'updatelobs';
         /// Calculate its length
         $textlen = $textlib->strlen($basetext);
         $imglen = strlen($basetext);
         if (update_record('newnameforthetable', $rec)) {
             if ($new = get_record('newnameforthetable', 'id', $rec->id)) {
                 $newtextlen = $textlib->strlen($new->intro);
                 $newimglen = strlen($new->avatar);
                 if ($basetext === $new->avatar && $basetext === $new->intro) {
                     $test->sql = array($newtextlen . ' cc. (text) sent and received ok', $newimglen . ' bytes (binary) sent and received ok');
                     $test->status = true;
                 } else {
                     if ($rec->avatar !== $new->avatar) {
                         $test->error = $db->ErrorMsg();
                         $test->sql = array($newimglen . ' bytes (binary) transfer failed. Data changed!');
                         $test->status = false;
                     } else {
                         $test->error = $db->ErrorMsg();
                         $test->sql = array($newtextlen . ' cc. (text) transfer failed. Data changed!');
                         $test->status = false;
                     }
                 }
             } else {
                 $test->error = $db->ErrorMsg();
             }
         } else {
             $test->error = $db->ErrorMsg();
         }
         $tests['update record ' . $textlen . ' cc. (text) and ' . $imglen . ' bytes (binary)'] = $test;
     }
     /// 50th test. set_field with TEXT contents
     if ($test->status) {
         $test = new stdClass();
         $test->status = false;
         $test->sql = array();
         /// Build the record to insert
         $rec->intro = addslashes($fulltext);
         $rec->name = 'updatelobs';
         /// Calculate its length
         $textlen = $textlib->strlen($fulltext);
         if (set_field('newnameforthetable', 'intro', $rec->intro, 'name', $rec->name)) {
             if ($new = get_record('newnameforthetable', 'id', $rec->id)) {
                 $newtextlen = $textlib->strlen($new->intro);
                 if ($fulltext === $new->intro) {
                     $test->sql = array($newtextlen . ' cc. (text) sent and received ok');
                     $test->status = true;
                 } else {
                     $test->error = $db->ErrorMsg();
                     $test->sql = array($newtextlen . ' cc. (text) transfer failed. Data changed!');
                     $test->status = false;
                 }
             } else {
                 $test->error = $db->ErrorMsg();
             }
         } else {
             $test->error = $db->ErrorMsg();
         }
         $tests['set field ' . $textlen . ' cc. (text)'] = $test;
     }
     /// 51th test. set_field with BINARY contents
     if ($test->status) {
         $test = new stdClass();
         $test->status = false;
         $test->sql = array();
         /// Build the record to insert
         $rec->avatar = addslashes($fulltext);
         $rec->name = 'updatelobs';
         /// Calculate its length
         $textlen = strlen($fulltext);
         if (set_field('newnameforthetable', 'avatar', $rec->avatar, 'name', $rec->name)) {
             if ($new = get_record('newnameforthetable', 'id', $rec->id)) {
                 $newtextlen = strlen($new->avatar);
                 if ($fulltext === $new->avatar) {
                     $test->sql = array($newtextlen . ' bytes (binary) sent and received ok');
                     $test->status = true;
                 } else {
                     $test->error = $db->ErrorMsg();
                     $test->sql = array($newtextlen . ' bytes (binary) transfer failed. Data changed!');
                     $test->status = false;
                 }
             } else {
                 $test->error = $db->ErrorMsg();
             }
         } else {
             $test->error = $db->ErrorMsg();
         }
         $tests['set field ' . $textlen . ' bytes (binary)'] = $test;
     }
     /// TODO: Check here values of the inserted records to see that everything ha the correct value
     /// Iterate over tests, showing information as needed
     $o .= '<ol>';
     foreach ($tests as $key => $test) {
         $o .= '<li>' . $key . ($test->status ? '<font color="green"> Ok</font>' : ' <font color="red">Error</font>');
         if (!$test->status) {
             $o .= '<br/><font color="red">' . $test->error . '</font>';
         }
         $o .= '<pre>' . implode('<br/>', $test->sql) . '</pre>';
         $o .= '</li>';
     }
     $o .= '</ol>';
     $this->output = $o;
     /// Launch postaction if exists (leave this here!)
     if ($this->getPostAction() && $result) {
         return $this->launch($this->getPostAction());
     }
     /// Return ok if arrived here
     return $result;
 }
コード例 #2
0
function xmldb_attforblock_upgrade($oldversion = 0)
{
    global $CFG, $THEME, $db;
    $result = true;
    /// And upgrade begins here. For each one, you'll need one
    /// block of code similar to the next one. Please, delete
    /// this comment lines once this file start handling proper
    /// upgrade code.
    if ($result && $oldversion < 2008021904) {
        //New version in version.php
        global $USER;
        if ($sessions = get_records('attendance_sessions', 'takenby', 0)) {
            foreach ($sessions as $sess) {
                if (count_records('attendance_log', 'attsid', $sess->id) > 0) {
                    $sess->takenby = $USER->id;
                    $sess->timetaken = $sess->timemodified ? $sess->timemodified : time();
                    $sess->description = addslashes($sess->description);
                    $result = update_record('attendance_sessions', $sess) and $result;
                }
            }
        }
    }
    if ($oldversion < 2008102401 and $result) {
        $table = new XMLDBTable('attforblock');
        $field = new XMLDBField('grade');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null, null, '100', 'name');
        $result = $result && add_field($table, $field);
        $table = new XMLDBTable('attendance_sessions');
        $field = new XMLDBField('courseid');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'id');
        $result = $result && change_field_unsigned($table, $field);
        //        $field = new XMLDBField('creator');
        //        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'courseid');
        //        $result = $result && change_field_unsigned($table, $field);
        $field = new XMLDBField('sessdate');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'creator');
        $result = $result && change_field_unsigned($table, $field);
        $field = new XMLDBField('duration');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'sessdate');
        $result = $result && add_field($table, $field);
        $field = new XMLDBField('timetaken');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'takenby');
        $result = $result && change_field_unsigned($table, $field);
        $result = $result && rename_field($table, $field, 'lasttaken');
        $field = new XMLDBField('takenby');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'lasttaken');
        $result = $result && change_field_unsigned($table, $field);
        $result = $result && rename_field($table, $field, 'lasttakenby');
        $field = new XMLDBField('timemodified');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null, 'lasttaken');
        $result = $result && change_field_unsigned($table, $field);
        $table = new XMLDBTable('attendance_log');
        $field = new XMLDBField('attsid');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'id');
        $result = $result && change_field_unsigned($table, $field);
        $field = new XMLDBField('studentid');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'attsid');
        $result = $result && change_field_unsigned($table, $field);
        $field = new XMLDBField('statusid');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'status');
        $result = $result && add_field($table, $field);
        $field = new XMLDBField('statusset');
        $field->setAttributes(XMLDB_TYPE_CHAR, '100', null, null, null, null, null, null, 'statusid');
        $result = $result && add_field($table, $field);
        $field = new XMLDBField('timetaken');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'statusid');
        $result = $result && add_field($table, $field);
        $field = new XMLDBField('takenby');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'timetaken');
        $result = $result && add_field($table, $field);
        //Indexes
        $index = new XMLDBIndex('statusid');
        $index->setAttributes(XMLDB_INDEX_NOTUNIQUE, array('statusid'));
        $result = $result && add_index($table, $index);
        $index = new XMLDBIndex('attsid');
        $index->setAttributes(XMLDB_INDEX_NOTUNIQUE, array('attsid'));
        $result = $result && drop_index($table, $index);
        $field = new XMLDBField('attsid');
        //Rename field
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'id');
        $result = $result && rename_field($table, $field, 'sessionid');
        $index = new XMLDBIndex('sessionid');
        $index->setAttributes(XMLDB_INDEX_NOTUNIQUE, array('sessionid'));
        $result = $result && add_index($table, $index);
        $table = new XMLDBTable('attendance_settings');
        $field = new XMLDBField('courseid');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'id');
        $result = $result && change_field_unsigned($table, $field);
        $field = new XMLDBField('visible');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '1', 'grade');
        $result = $result && add_field($table, $field);
        $field = new XMLDBField('deleted');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'visible');
        $result = $result && add_field($table, $field);
        //Indexes
        $index = new XMLDBIndex('visible');
        $index->setAttributes(XMLDB_INDEX_NOTUNIQUE, array('visible'));
        $result = $result && add_index($table, $index);
        $index = new XMLDBIndex('deleted');
        $index->setAttributes(XMLDB_INDEX_NOTUNIQUE, array('deleted'));
        $result = $result && add_index($table, $index);
        $result = $result && rename_table($table, 'attendance_statuses');
    }
    if ($oldversion < 2008102406 and $result) {
        if ($courses = get_records_sql("SELECT courseid FROM {$CFG->prefix}attendance_sessions GROUP BY courseid")) {
            foreach ($courses as $c) {
                //Adding own status for course (now it must have own)
                if (!count_records('attendance_statuses', 'courseid', $c->courseid)) {
                    $statuses = get_records('attendance_statuses', 'courseid', 0);
                    foreach ($statuses as $stat) {
                        $rec = $stat;
                        $rec->courseid = $c->courseid;
                        insert_record('attendance_statuses', $rec);
                    }
                }
                $statuses = get_records('attendance_statuses', 'courseid', $c->courseid);
                $statlist = implode(',', array_keys($statuses));
                $sess = get_records_select_menu('attendance_sessions', "courseid = {$c->courseid} AND lasttakenby > 0");
                $sesslist = implode(',', array_keys($sess));
                foreach ($statuses as $stat) {
                    execute_sql("UPDATE {$CFG->prefix}attendance_log\n\t\t\t\t\t\t\t\t\t\tSET statusid = {$stat->id}, statusset = '{$statlist}'\n\t\t\t\t\t\t\t\t\t  WHERE sessionid IN ({$sesslist}) AND status = '{$stat->status}'");
                }
                $sessions = get_records_list('attendance_sessions', 'id', $sesslist);
                foreach ($sessions as $sess) {
                    execute_sql("UPDATE {$CFG->prefix}attendance_log\n\t\t\t\t\t\t\t\t\t\tSET timetaken = {$sess->lasttaken}, \n\t\t\t\t\t\t\t\t\t\t\ttakenby = {$sess->lasttakenby}\n\t\t\t\t\t\t\t\t\t  WHERE sessionid = {$sess->id}");
                }
            }
        }
    }
    if ($oldversion < 2008102409 and $result) {
        $table = new XMLDBTable('attendance_statuses');
        $field = new XMLDBField('status');
        $result = $result && drop_field($table, $field);
        $index = new XMLDBIndex('status');
        $index->setAttributes(XMLDB_INDEX_NOTUNIQUE, array('status'));
        $result = $result && drop_index($table, $index);
        $table = new XMLDBTable('attendance_log');
        $field = new XMLDBField('status');
        $result = $result && drop_field($table, $field);
        $index = new XMLDBIndex('status');
        $index->setAttributes(XMLDB_INDEX_NOTUNIQUE, array('status'));
        $result = $result && drop_index($table, $index);
        $table = new XMLDBTable('attendance_sessions');
        $field = new XMLDBField('creator');
        $result = $result && drop_field($table, $field);
    }
    return $result;
}
コード例 #3
0
ファイル: upgrade.php プロジェクト: nadavkav/MoodleTAO
function xmldb_main_upgrade($oldversion = 0)
{
    global $CFG, $THEME, $USER, $SITE, $db;
    $result = true;
    if ($result && $oldversion < 2006100401) {
        /// Only for those tracking Moodle 1.7 dev, others will have these dropped in moodle_install_roles()
        if (!empty($CFG->rolesactive)) {
            drop_table(new XMLDBTable('user_students'));
            drop_table(new XMLDBTable('user_teachers'));
            drop_table(new XMLDBTable('user_coursecreators'));
            drop_table(new XMLDBTable('user_admins'));
        }
        upgrade_main_savepoint($result, 2006100401);
    }
    if ($result && $oldversion < 2006100601) {
        /// Disable the exercise module because it's unmaintained
        if ($module = get_record('modules', 'name', 'exercise')) {
            if ($module->visible) {
                // Hide/disable the module entry
                set_field('modules', 'visible', '0', 'id', $module->id);
                // Save existing visible state for all activities
                set_field('course_modules', 'visibleold', '1', 'visible', '1', 'module', $module->id);
                set_field('course_modules', 'visibleold', '0', 'visible', '0', 'module', $module->id);
                // Hide all activities
                set_field('course_modules', 'visible', '0', 'module', $module->id);
                //require_once($CFG->dirroot.'/course/lib.php');
                //rebuild_course_cache();  // Rebuld cache for all modules because they might have changed
            }
        }
        upgrade_main_savepoint($result, 2006100601);
    }
    if ($result && $oldversion < 2006101001) {
        /// Disable the LAMS module by default (if it is installed)
        if (count_records('modules', 'name', 'lams') && !count_records('lams')) {
            set_field('modules', 'visible', 0, 'name', 'lams');
            // Disable it by default
        }
        upgrade_main_savepoint($result, 2006101001);
    }
    if ($result && $oldversion < 2006102600) {
        /// Define fields to be added to user_info_field
        $table = new XMLDBTable('user_info_field');
        $field = new XMLDBField('description');
        $field->setAttributes(XMLDB_TYPE_TEXT, 'big', null, null, null, null, null, null, 'categoryid');
        $field1 = new XMLDBField('param1');
        $field1->setAttributes(XMLDB_TYPE_TEXT, 'big', null, null, null, null, null, null, 'defaultdata');
        $field2 = new XMLDBField('param2');
        $field2->setAttributes(XMLDB_TYPE_TEXT, 'big', null, null, null, null, null, null, 'param1');
        $field3 = new XMLDBField('param3');
        $field3->setAttributes(XMLDB_TYPE_TEXT, 'big', null, null, null, null, null, null, 'param2');
        $field4 = new XMLDBField('param4');
        $field4->setAttributes(XMLDB_TYPE_TEXT, 'big', null, null, null, null, null, null, 'param3');
        $field5 = new XMLDBField('param5');
        $field5->setAttributes(XMLDB_TYPE_TEXT, 'big', null, null, null, null, null, null, 'param4');
        /// Launch add fields
        $result = $result && add_field($table, $field);
        $result = $result && add_field($table, $field1);
        $result = $result && add_field($table, $field2);
        $result = $result && add_field($table, $field3);
        $result = $result && add_field($table, $field4);
        $result = $result && add_field($table, $field5);
        upgrade_main_savepoint($result, 2006102600);
    }
    if ($result && $oldversion < 2006112000) {
        /// Define field attachment to be added to post
        $table = new XMLDBTable('post');
        $field = new XMLDBField('attachment');
        $field->setAttributes(XMLDB_TYPE_CHAR, '100', null, null, null, null, null, null, 'format');
        /// Launch add field attachment
        $result = $result && add_field($table, $field);
        upgrade_main_savepoint($result, 2006112000);
    }
    if ($result && $oldversion < 2006112200) {
        /// Define field imagealt to be added to user
        $table = new XMLDBTable('user');
        $field = new XMLDBField('imagealt');
        $field->setAttributes(XMLDB_TYPE_CHAR, '255', null, null, null, null, null, null, 'trustbitmask');
        /// Launch add field imagealt
        $result = $result && add_field($table, $field);
        $table = new XMLDBTable('user');
        $field = new XMLDBField('screenreader');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '1', null, XMLDB_NOTNULL, null, null, null, '0', 'imagealt');
        /// Launch add field screenreader
        $result = $result && add_field($table, $field);
        upgrade_main_savepoint($result, 2006112200);
    }
    if ($result && $oldversion < 2006120300) {
        /// Delete guest course section settings
        // following code can be executed repeatedly, such as when upgrading from 1.7.x - it is ok
        if ($guest = get_record('user', 'username', 'guest')) {
            execute_sql("DELETE FROM {$CFG->prefix}course_display where userid={$guest->id}", true);
        }
        upgrade_main_savepoint($result, 2006120300);
    }
    if ($result && $oldversion < 2006120400) {
        /// Remove secureforms config setting
        execute_sql("DELETE FROM {$CFG->prefix}config where name='secureforms'", true);
        upgrade_main_savepoint($result, 2006120400);
    }
    if (!empty($CFG->rolesactive) && $oldversion < 2006120700) {
        // add moodle/user:viewdetails to all roles!
        // note: use of assign_capability() is discouraged in upgrade script!
        if ($roles = get_records('role')) {
            $context = get_context_instance(CONTEXT_SYSTEM);
            foreach ($roles as $roleid => $role) {
                assign_capability('moodle/user:viewdetails', CAP_ALLOW, $roleid, $context->id);
            }
        }
        upgrade_main_savepoint($result, 2006120700);
    }
    // Move the auth plugin settings into the config_plugin table
    if ($result && $oldversion < 2007010300) {
        if ($CFG->auth == 'email') {
            set_config('registerauth', 'email');
        } else {
            set_config('registerauth', '');
        }
        $authplugins = get_list_of_plugins('auth');
        foreach ($CFG as $k => $v) {
            if (strpos($k, 'ldap_') === 0) {
                //upgrade nonstandard ldap settings
                $setting = substr($k, 5);
                if (set_config($setting, $v, "auth/ldap")) {
                    delete_records('config', 'name', $k);
                    unset($CFG->{$k});
                }
                continue;
            }
            if (strpos($k, 'auth_') !== 0) {
                continue;
            }
            $authsetting = substr($k, 5);
            foreach ($authplugins as $auth) {
                if (strpos($authsetting, $auth) !== 0) {
                    continue;
                }
                $setting = substr($authsetting, strlen($auth));
                if (set_config($setting, $v, "auth/{$auth}")) {
                    delete_records('config', 'name', $k);
                    unset($CFG->{$k});
                }
                break;
                // don't check the rest of the auth plugin names
            }
        }
        upgrade_main_savepoint($result, 2007010300);
    }
    if ($result && $oldversion < 2007010301) {
        //
        // Core MNET tables
        //
        $table = new XMLDBTable('mnet_host');
        $table->comment = 'Information about the local and remote hosts for RPC';
        // fields
        $f = $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', false, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $f->comment = 'Unique Host ID';
        $f = $table->addFieldInfo('deleted', XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, 0);
        $f = $table->addFieldInfo('wwwroot', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, null, null, null);
        $f = $table->addFieldInfo('ip_address', XMLDB_TYPE_CHAR, '39', null, XMLDB_NOTNULL, null, null, null, null);
        $f = $table->addFieldInfo('name', XMLDB_TYPE_CHAR, '80', null, XMLDB_NOTNULL, null, null, null, null);
        $f = $table->addFieldInfo('public_key', XMLDB_TYPE_TEXT, 'medium', null, XMLDB_NOTNULL, null, null, null, null);
        $f = $table->addFieldInfo('public_key_expires', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, 0);
        $f = $table->addFieldInfo('transport', XMLDB_TYPE_INTEGER, '2', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, 0);
        $f = $table->addFieldInfo('portno', XMLDB_TYPE_INTEGER, '2', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, 0);
        $f = $table->addFieldInfo('last_connect_time', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, 0);
        $f = $table->addFieldInfo('last_log_id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, 0);
        // PK and indexes
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        // Create the table
        $result = $result && create_table($table);
        $table = new XMLDBTable('mnet_host2service');
        $table->comment = 'Information about the services for a given host';
        // fields
        $f = $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', false, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $f = $table->addFieldInfo('hostid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, NULL, null, null, 0);
        $f = $table->addFieldInfo('serviceid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, NULL, null, null, 0);
        $f = $table->addFieldInfo('publish', XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, NULL, null, null, 0);
        $f = $table->addFieldInfo('subscribe', XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, NULL, null, null, 0);
        // PK and indexes
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        $table->addIndexInfo('hostid_serviceid', XMLDB_INDEX_UNIQUE, array('hostid', 'serviceid'));
        // Create the table
        $result = $result && create_table($table);
        $table = new XMLDBTable('mnet_log');
        $table->comment = 'Store session data from users migrating to other sites';
        // fields
        $f = $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', false, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $f = $table->addFieldInfo('hostid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, NULL, null, null, 0);
        $f = $table->addFieldInfo('remoteid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, NULL, null, null, 0);
        $f = $table->addFieldInfo('time', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, NULL, null, null, 0);
        $f = $table->addFieldInfo('userid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, NULL, null, null, 0);
        $f = $table->addFieldInfo('ip', XMLDB_TYPE_CHAR, '15', null, XMLDB_NOTNULL, NULL, null, null, null);
        $f = $table->addFieldInfo('course', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, NULL, null, null, 0);
        $f = $table->addFieldInfo('coursename', XMLDB_TYPE_CHAR, '40', null, XMLDB_NOTNULL, NULL, null, null, null);
        $f = $table->addFieldInfo('module', XMLDB_TYPE_CHAR, '20', null, XMLDB_NOTNULL, NULL, null, null, null);
        $f = $table->addFieldInfo('cmid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, NULL, null, null, 0);
        $f = $table->addFieldInfo('action', XMLDB_TYPE_CHAR, '40', null, XMLDB_NOTNULL, NULL, null, null, null);
        $f = $table->addFieldInfo('url', XMLDB_TYPE_CHAR, '100', null, XMLDB_NOTNULL, NULL, null, null, null);
        $f = $table->addFieldInfo('info', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, NULL, null, null, null);
        // PK and indexes
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        $table->addIndexInfo('host_user_course', XMLDB_INDEX_NOTUNIQUE, array('hostid', 'userid', 'course'));
        // Create the table
        $result = $result && create_table($table);
        $table = new XMLDBTable('mnet_rpc');
        $table->comment = 'Functions or methods that we may publish or subscribe to';
        // fields
        $f = $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', false, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $f = $table->addFieldInfo('function_name', XMLDB_TYPE_CHAR, '40', null, XMLDB_NOTNULL, NULL, null, null, null);
        $f = $table->addFieldInfo('xmlrpc_path', XMLDB_TYPE_CHAR, '80', null, XMLDB_NOTNULL, NULL, null, null, null);
        $f = $table->addFieldInfo('parent_type', XMLDB_TYPE_CHAR, '6', null, XMLDB_NOTNULL, NULL, null, null, null);
        $f = $table->addFieldInfo('parent', XMLDB_TYPE_CHAR, '20', null, XMLDB_NOTNULL, NULL, null, null, null);
        $f = $table->addFieldInfo('enabled', XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, NULL, null, null, 0);
        $f = $table->addFieldInfo('help', XMLDB_TYPE_TEXT, 'medium', null, XMLDB_NOTNULL, NULL, null, null, null);
        $f = $table->addFieldInfo('profile', XMLDB_TYPE_TEXT, 'medium', null, XMLDB_NOTNULL, NULL, null, null, null);
        // PK and indexes
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        $table->addIndexInfo('enabled_xpath', XMLDB_INDEX_NOTUNIQUE, array('enabled', 'xmlrpc_path'));
        // Create the table
        $result = $result && create_table($table);
        $table = new XMLDBTable('mnet_service');
        $table->comment = 'A service is a group of functions';
        // fields
        $f = $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', false, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $f = $table->addFieldInfo('name', XMLDB_TYPE_CHAR, '40', null, XMLDB_NOTNULL, NULL, null, null, null);
        $f = $table->addFieldInfo('description', XMLDB_TYPE_CHAR, '40', null, XMLDB_NOTNULL, NULL, null, null, null);
        $f = $table->addFieldInfo('apiversion', XMLDB_TYPE_CHAR, '10', null, XMLDB_NOTNULL, NULL, null, null, null);
        $f = $table->addFieldInfo('offer', XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, NULL, null, null, 0);
        // PK and indexes
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        // Create the table
        $result = $result && create_table($table);
        $table = new XMLDBTable('mnet_service2rpc');
        $table->comment = 'Group functions or methods under a service';
        // fields
        $f = $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', false, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $f = $table->addFieldInfo('serviceid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, NULL, null, null, 0);
        $f = $table->addFieldInfo('rpcid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, NULL, null, null, 0);
        // PK and indexes
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        $table->addIndexInfo('unique', XMLDB_INDEX_UNIQUE, array('rpcid', 'serviceid'));
        // Create the table
        $result = $result && create_table($table);
        //
        // Prime MNET configuration entries -- will be needed later by auth/mnet
        //
        include_once $CFG->dirroot . '/mnet/lib.php';
        $env = new mnet_environment();
        $env->init();
        unset($env);
        // add mnethostid to user-
        $table = new XMLDBTable('user');
        $field = new XMLDBField('mnethostid');
        $field->setType(XMLDB_TYPE_INTEGER);
        $field->setLength(10);
        $field->setNotNull(true);
        $field->setSequence(null);
        $field->setEnum(null);
        $field->setDefault('0');
        $field->setPrevious("deleted");
        $field->setNext("username");
        $result = $result && add_field($table, $field);
        // The default mnethostid is zero... we need to update this for all
        // users of the local IdP service.
        set_field('user', 'mnethostid', $CFG->mnet_localhost_id, 'mnethostid', '0');
        $index = new XMLDBIndex('username');
        $index->setUnique(true);
        $index->setFields(array('username'));
        drop_index($table, $index);
        $index->setFields(array('mnethostid', 'username'));
        if (!add_index($table, $index)) {
            notify(get_string('duplicate_usernames', 'mnet', 'http://docs.moodle.org/en/DuplicateUsernames'));
        }
        unset($table, $field, $index);
        /**
         ** auth/mnet tables
         **/
        $table = new XMLDBTable('mnet_session');
        $table->comment = 'Store session data from users migrating to other sites';
        // fields
        $f = $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', false, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $f = $table->addFieldInfo('userid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, NULL, null, null, 0);
        $f = $table->addFieldInfo('username', XMLDB_TYPE_CHAR, '100', null, XMLDB_NOTNULL, NULL, null, null, null);
        $f = $table->addFieldInfo('token', XMLDB_TYPE_CHAR, '40', null, XMLDB_NOTNULL, NULL, null, null, null);
        $f = $table->addFieldInfo('mnethostid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, NULL, null, null, 0);
        $f = $table->addFieldInfo('useragent', XMLDB_TYPE_CHAR, '40', null, XMLDB_NOTNULL, NULL, null, null, null);
        $f = $table->addFieldInfo('confirm_timeout', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, NULL, null, null, 0);
        $f = $table->addFieldInfo('session_id', XMLDB_TYPE_CHAR, '40', null, XMLDB_NOTNULL, NULL, null, null, null);
        $f = $table->addFieldInfo('expires', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, NULL, null, null, 0);
        // PK and indexes
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        $table->addIndexInfo('token', XMLDB_INDEX_UNIQUE, array('token'));
        // Create the table
        $result = $result && create_table($table);
        $table = new XMLDBTable('mnet_sso_access_control');
        $table->comment = 'Users by host permitted (or not) to login from a remote provider';
        $f = $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', false, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $f = $table->addFieldInfo('username', XMLDB_TYPE_CHAR, '100', null, XMLDB_NOTNULL, NULL, null, null, null);
        $f = $table->addFieldInfo('mnet_host_id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, NULL, null, null, 0);
        $f = $table->addFieldInfo('access', XMLDB_TYPE_CHAR, '20', null, XMLDB_NOTNULL, NULL, null, null, 'allow');
        // PK and indexes
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        $table->addIndexInfo('mnethostid_username', XMLDB_INDEX_UNIQUE, array('mnet_host_id', 'username'));
        // Create the table
        $result = $result && create_table($table);
        if (empty($USER->mnet_host_id)) {
            $USER->mnet_host_id = $CFG->mnet_localhost_id;
            // Something for the current user to prevent warnings
        }
        /**
         ** enrol/mnet tables
         **/
        $table = new XMLDBTable('mnet_enrol_course');
        $table->comment = 'Information about courses on remote hosts';
        $f = $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', false, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $f = $table->addFieldInfo('hostid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, NULL, null, null, 0);
        $f = $table->addFieldInfo('remoteid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, NULL, null, null, 0);
        $f = $table->addFieldInfo('cat_id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, NULL, null, null, 0);
        $f = $table->addFieldInfo('cat_name', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, NULL, null, null, null);
        $f = $table->addFieldInfo('cat_description', XMLDB_TYPE_TEXT, 'medium', null, XMLDB_NOTNULL, NULL, null, null, null);
        $f = $table->addFieldInfo('sortorder', XMLDB_TYPE_INTEGER, '4', XMLDB_UNSIGNED, XMLDB_NOTNULL, NULL, null, null, 0);
        $f = $table->addFieldInfo('fullname', XMLDB_TYPE_CHAR, '254', null, XMLDB_NOTNULL, NULL, null, null, null);
        $f = $table->addFieldInfo('shortname', XMLDB_TYPE_CHAR, '15', null, XMLDB_NOTNULL, NULL, null, null, null);
        $f = $table->addFieldInfo('idnumber', XMLDB_TYPE_CHAR, '100', null, XMLDB_NOTNULL, NULL, null, null, null);
        $f = $table->addFieldInfo('summary', XMLDB_TYPE_TEXT, 'medium', null, XMLDB_NOTNULL, NULL, null, null, null);
        $f = $table->addFieldInfo('startdate', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, NULL, null, null, 0);
        $f = $table->addFieldInfo('cost', XMLDB_TYPE_CHAR, '10', null, XMLDB_NOTNULL, NULL, null, null, null);
        $f = $table->addFieldInfo('currency', XMLDB_TYPE_CHAR, '3', null, XMLDB_NOTNULL, NULL, null, null, null);
        $f = $table->addFieldInfo('defaultroleid', XMLDB_TYPE_INTEGER, '4', XMLDB_UNSIGNED, XMLDB_NOTNULL, NULL, null, null, 0);
        $f = $table->addFieldInfo('defaultrolename', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, NULL, null, null, null);
        // PK and indexes
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        $table->addIndexInfo('hostid_remoteid', XMLDB_INDEX_UNIQUE, array('hostid', 'remoteid'));
        // Create the table
        $result = $result && create_table($table);
        $table = new XMLDBTable('mnet_enrol_assignments');
        $table->comment = 'Information about enrolments on courses on remote hosts';
        $f = $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', false, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $f = $table->addFieldInfo('userid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, NULL, null, null, 0);
        $f = $table->addFieldInfo('hostid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, NULL, null, null, 0);
        $f = $table->addFieldInfo('courseid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, NULL, null, null, 0);
        $f = $table->addFieldInfo('rolename', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, NULL, null, null, null);
        $f = $table->addFieldInfo('enroltime', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, NULL, null, null, 0);
        $f = $table->addFieldInfo('enroltype', XMLDB_TYPE_CHAR, '20', null, XMLDB_NOTNULL, NULL, null, null, null);
        // PK and indexes
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        $table->addIndexInfo('hostid_courseid', XMLDB_INDEX_NOTUNIQUE, array('hostid', 'courseid'));
        $table->addIndexInfo('userid', XMLDB_INDEX_NOTUNIQUE, array('userid'));
        // Create the table
        $result = $result && create_table($table);
        upgrade_main_savepoint($result, 2007010301);
    }
    if ($result && $oldversion < 2007010404) {
        /// Define field shortname to be added to user_info_field
        $table = new XMLDBTable('user_info_field');
        $field = new XMLDBField('shortname');
        $field->setAttributes(XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, null, null, 'shortname', 'id');
        /// Launch add field shortname
        $result = $result && add_field($table, $field);
        /// Changing type of field name on table user_info_field to text
        $table = new XMLDBTable('user_info_field');
        $field = new XMLDBField('name');
        $field->setAttributes(XMLDB_TYPE_TEXT, 'big', null, XMLDB_NOTNULL, null, null, null, null, 'shortname');
        /// Launch change of type for field name
        $result = $result && change_field_type($table, $field);
        /// For existing fields use 'name' as the 'shortname' entry
        if ($fields = get_records_select('user_info_field', '', '', 'id, name')) {
            foreach ($fields as $field) {
                $field->shortname = clean_param($field->name, PARAM_ALPHANUM);
                $result && update_record('user_info_field', $field);
            }
        }
        upgrade_main_savepoint($result, 2007010404);
    }
    if ($result && $oldversion < 2007011501) {
        if (!empty($CFG->enablerecordcache) && empty($CFG->rcache) && empty($CFG->cachetype) && empty($CFG->intcachemax)) {
            set_config('cachetype', 'internal');
            set_config('rcache', true);
            set_config('intcachemax', $CFG->enablerecordcache);
            unset_config('enablerecordcache');
            unset($CFG->enablerecordcache);
        }
        upgrade_main_savepoint($result, 2007011501);
    }
    if ($result && $oldversion < 2007012100) {
        /// Some old PG servers have user->firstname & user->lastname with 30cc. They must be 100cc.
        /// Fixing that conditionally. MDL-7110
        if ($CFG->dbfamily == 'postgres') {
            /// Get Metadata from user table
            $cols = array_change_key_case($db->MetaColumns($CFG->prefix . 'user'), CASE_LOWER);
            /// Process user->firstname if needed
            if ($col = $cols['firstname']) {
                if ($col->max_length < 100) {
                    /// Changing precision of field firstname on table user to (100)
                    $table = new XMLDBTable('user');
                    $field = new XMLDBField('firstname');
                    $field->setAttributes(XMLDB_TYPE_CHAR, '100', null, XMLDB_NOTNULL, null, null, null, null, 'idnumber');
                    /// Launch change of precision for field firstname
                    $result = $result && change_field_precision($table, $field);
                }
            }
            /// Process user->lastname if needed
            if ($col = $cols['lastname']) {
                if ($col->max_length < 100) {
                    /// Changing precision of field lastname on table user to (100)
                    $table = new XMLDBTable('user');
                    $field = new XMLDBField('lastname');
                    $field->setAttributes(XMLDB_TYPE_CHAR, '100', null, XMLDB_NOTNULL, null, null, null, null, 'firstname');
                    /// Launch change of precision for field lastname
                    $result = $result && change_field_precision($table, $field);
                }
            }
        }
        upgrade_main_savepoint($result, 2007012100);
    }
    if ($result && $oldversion < 2007012101) {
        /// Changing precision of field lang on table course to (30)
        $table = new XMLDBTable('course');
        $field = new XMLDBField('lang');
        $field->setAttributes(XMLDB_TYPE_CHAR, '30', null, XMLDB_NOTNULL, null, null, null, null, 'groupmodeforce');
        /// Launch change of precision for field course->lang
        $result = $result && change_field_precision($table, $field);
        /// Changing precision of field lang on table user to (30)
        $table = new XMLDBTable('user');
        $field = new XMLDBField('lang');
        $field->setAttributes(XMLDB_TYPE_CHAR, '30', null, XMLDB_NOTNULL, null, null, null, 'en', 'country');
        /// Launch change of precision for field user->lang
        $result = $result && change_field_precision($table, $field);
        upgrade_main_savepoint($result, 2007012101);
    }
    if ($result && $oldversion < 2007012400) {
        /// Rename field access on table mnet_sso_access_control to accessctrl
        $table = new XMLDBTable('mnet_sso_access_control');
        $field = new XMLDBField('access');
        $field->setAttributes(XMLDB_TYPE_CHAR, '20', null, XMLDB_NOTNULL, null, null, null, 'allow', 'mnet_host_id');
        /// Launch rename field accessctrl
        $result = $result && rename_field($table, $field, 'accessctrl');
        upgrade_main_savepoint($result, 2007012400);
    }
    if ($result && $oldversion < 2007012500) {
        execute_sql("DELETE FROM {$CFG->prefix}user WHERE username='******'", true);
        upgrade_main_savepoint($result, 2007012500);
    }
    if ($result && $oldversion < 2007020400) {
        /// Only for MySQL and PG, declare the user->ajax field as not null. MDL-8421.
        if ($CFG->dbfamily == 'mysql' || $CFG->dbfamily == 'postgres') {
            /// Changing nullability of field ajax on table user to not null
            $table = new XMLDBTable('user');
            $field = new XMLDBField('ajax');
            $field->setAttributes(XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '1', 'htmleditor');
            /// Launch change of nullability for field ajax
            $result = $result && change_field_notnull($table, $field);
        }
        upgrade_main_savepoint($result, 2007020400);
    }
    if (!empty($CFG->rolesactive) && $result && $oldversion < 2007021401) {
        /// create default logged in user role if not present - upgrade rom 1.7.x
        if (empty($CFG->defaultuserroleid) or empty($CFG->guestroleid) or $CFG->defaultuserroleid == $CFG->guestroleid) {
            if (!get_records('role', 'shortname', 'user')) {
                $userroleid = create_role(addslashes(get_string('authenticateduser')), 'user', addslashes(get_string('authenticateduserdescription')), 'moodle/legacy:user');
                if ($userroleid) {
                    reset_role_capabilities($userroleid);
                    set_config('defaultuserroleid', $userroleid);
                }
            }
        }
        upgrade_main_savepoint($result, 2007021401);
    }
    if ($result && $oldversion < 2007021501) {
        /// delete removed setting from config
        unset_config('tabselectedtofront');
        upgrade_main_savepoint($result, 2007021501);
    }
    if ($result && $oldversion < 2007032200) {
        /// Define table role_sortorder to be created
        $table = new XMLDBTable('role_sortorder');
        /// Adding fields to table role_sortorder
        $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $table->addFieldInfo('userid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('roleid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('contextid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('sortoder', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null, null, null);
        /// Adding keys to table role_sortorder
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        $table->addKeyInfo('userid', XMLDB_KEY_FOREIGN, array('userid'), 'user', array('id'));
        $table->addKeyInfo('roleid', XMLDB_KEY_FOREIGN, array('roleid'), 'role', array('id'));
        $table->addKeyInfo('contextid', XMLDB_KEY_FOREIGN, array('contextid'), 'context', array('id'));
        /// Adding indexes to table role_sortorder
        $table->addIndexInfo('userid-roleid-contextid', XMLDB_INDEX_UNIQUE, array('userid', 'roleid', 'contextid'));
        /// Launch create table for role_sortorder
        $result = $result && create_table($table);
        upgrade_main_savepoint($result, 2007032200);
    }
    /// code to change lenghen tag field to 255, MDL-9095
    if ($result && $oldversion < 2007040400) {
        /// Define index text (not unique) to be dropped form tags
        $table = new XMLDBTable('tags');
        $index = new XMLDBIndex('text');
        $index->setAttributes(XMLDB_INDEX_NOTUNIQUE, array('text'));
        /// Launch drop index text
        $result = $result && drop_index($table, $index);
        $field = new XMLDBField('text');
        $field->setAttributes(XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, null, null, null, 'userid');
        /// Launch change of type for field text
        $result = $result && change_field_type($table, $field);
        $index = new XMLDBIndex('text');
        $index->setAttributes(XMLDB_INDEX_NOTUNIQUE, array('text'));
        /// Launch add index text
        $result = $result && add_index($table, $index);
        upgrade_main_savepoint($result, 2007040400);
    }
    if ($result && $oldversion < 2007041100) {
        /// Define field idnumber to be added to course_modules
        $table = new XMLDBTable('course_modules');
        $field = new XMLDBField('idnumber');
        $field->setAttributes(XMLDB_TYPE_CHAR, '100', null, null, null, null, null, null, 'section');
        /// Launch add field idnumber
        $result = $result && add_field($table, $field);
        upgrade_main_savepoint($result, 2007041100);
    }
    /* Changes to the custom profile menu type - store values rather than indices.
       We could do all this with one tricky SQL statement but it's a one-off so no
       harm in using PHP loops */
    if ($result && $oldversion < 2007041600) {
        /// Get the menu fields
        if ($fields = get_records('user_info_field', 'datatype', 'menu')) {
            foreach ($fields as $field) {
                /// Get user data for the menu field
                if ($data = get_records('user_info_data', 'fieldid', $field->id)) {
                    /// Get the menu options
                    $options = explode("\n", $field->param1);
                    foreach ($data as $d) {
                        $key = array_search($d->data, $options);
                        /// If the data is an integer and is not one of the options,
                        /// set the respective option value
                        if (is_int($d->data) and ($key === NULL or $key === false) and isset($options[$d->data])) {
                            $d->data = $options[$d->data];
                            $result = $result && update_record('user_info_data', $d);
                        }
                    }
                }
            }
        }
        upgrade_main_savepoint($result, 2007041600);
    }
    /// adding new gradebook tables
    if ($result && $oldversion < 2007041800) {
        /// Define table events_handlers to be created
        $table = new XMLDBTable('events_handlers');
        /// Adding fields to table events_handlers
        $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $table->addFieldInfo('eventname', XMLDB_TYPE_CHAR, '166', null, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('handlermodule', XMLDB_TYPE_CHAR, '166', null, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('handlerfile', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('handlerfunction', XMLDB_TYPE_TEXT, 'medium', null, null, null, null, null, null);
        /// Adding keys to table events_handlers
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        /// Adding indexes to table events_handlers
        $table->addIndexInfo('eventname-handlermodule', XMLDB_INDEX_UNIQUE, array('eventname', 'handlermodule'));
        /// Launch create table for events_handlers
        $result = $result && create_table($table);
        /// Define table events_queue to be created
        $table = new XMLDBTable('events_queue');
        /// Adding fields to table events_queue
        $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $table->addFieldInfo('eventdata', XMLDB_TYPE_TEXT, 'big', null, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('schedule', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('stackdump', XMLDB_TYPE_TEXT, 'medium', null, null, null, null, null, null);
        $table->addFieldInfo('userid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('timecreated', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        /// Adding keys to table events_queue
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        $table->addKeyInfo('userid', XMLDB_KEY_FOREIGN, array('userid'), 'user', array('id'));
        /// Launch create table for events_queue
        $result = $result && create_table($table);
        /// Define table events_queue_handlers to be created
        $table = new XMLDBTable('events_queue_handlers');
        /// Adding fields to table events_queue_handlers
        $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $table->addFieldInfo('queuedeventid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('handlerid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('status', XMLDB_TYPE_INTEGER, '10', null, null, null, null, null, null);
        $table->addFieldInfo('errormessage', XMLDB_TYPE_TEXT, 'medium', null, null, null, null, null, null);
        $table->addFieldInfo('timemodified', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        /// Adding keys to table events_queue_handlers
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        $table->addKeyInfo('queuedeventid', XMLDB_KEY_FOREIGN, array('queuedeventid'), 'events_queue', array('id'));
        $table->addKeyInfo('handlerid', XMLDB_KEY_FOREIGN, array('handlerid'), 'events_handlers', array('id'));
        /// Launch create table for events_queue_handlers
        $result = $result && create_table($table);
        upgrade_main_savepoint($result, 2007041800);
    }
    if ($result && $oldversion < 2007043001) {
        /// Define field schedule to be added to events_handlers
        $table = new XMLDBTable('events_handlers');
        $field = new XMLDBField('schedule');
        $field->setAttributes(XMLDB_TYPE_CHAR, '255', null, null, null, null, null, null, 'handlerfunction');
        /// Launch add field schedule
        $result = $result && add_field($table, $field);
        /// Define field status to be added to events_handlers
        $table = new XMLDBTable('events_handlers');
        $field = new XMLDBField('status');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'schedule');
        /// Launch add field status
        $result = $result && add_field($table, $field);
        upgrade_main_savepoint($result, 2007043001);
    }
    if ($result && $oldversion < 2007050201) {
        /// Define field theme to be added to course_categories
        $table = new XMLDBTable('course_categories');
        $field = new XMLDBField('theme');
        $field->setAttributes(XMLDB_TYPE_CHAR, '50', null, null, null, null, null, null, 'path');
        /// Launch add field theme
        $result = $result && add_field($table, $field);
        upgrade_main_savepoint($result, 2007050201);
    }
    if ($result && $oldversion < 2007051100) {
        /// Define field forceunique to be added to user_info_field
        $table = new XMLDBTable('user_info_field');
        $field = new XMLDBField('forceunique');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '2', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'visible');
        /// Launch add field forceunique
        $result = $result && add_field($table, $field);
        /// Define field signup to be added to user_info_field
        $table = new XMLDBTable('user_info_field');
        $field = new XMLDBField('signup');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '2', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'forceunique');
        /// Launch add field signup
        $result = $result && add_field($table, $field);
        upgrade_main_savepoint($result, 2007051100);
    }
    if (!empty($CFG->rolesactive) && $result && $oldversion < 2007051801) {
        // Get the role id of the "Auth. User" role and check if the default role id is different
        // note: use of assign_capability() is discouraged in upgrade script!
        $userrole = get_record('role', 'shortname', 'user');
        $defaultroleid = $CFG->defaultuserroleid;
        if ($defaultroleid != $userrole->id) {
            //  Add in the new moodle/my:manageblocks capibility to the default user role
            $context = get_context_instance(CONTEXT_SYSTEM);
            assign_capability('moodle/my:manageblocks', CAP_ALLOW, $defaultroleid, $context->id);
        }
        upgrade_main_savepoint($result, 2007051801);
    }
    if ($result && $oldversion < 2007052200) {
        /// Define field schedule to be dropped from events_queue
        $table = new XMLDBTable('events_queue');
        $field = new XMLDBField('schedule');
        /// Launch drop field stackdump
        $result = $result && drop_field($table, $field);
        upgrade_main_savepoint($result, 2007052200);
    }
    if ($result && $oldversion < 2007052300) {
        require_once $CFG->dirroot . '/question/upgrade.php';
        $result = $result && question_remove_rqp_qtype();
        upgrade_main_savepoint($result, 2007052300);
    }
    if ($result && $oldversion < 2007060500) {
        /// Define field usermodified to be added to post
        $table = new XMLDBTable('post');
        $field = new XMLDBField('usermodified');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null, 'created');
        /// Launch add field usermodified
        $result = $result && add_field($table, $field);
        /// Define key usermodified (foreign) to be added to post
        $table = new XMLDBTable('post');
        $key = new XMLDBKey('usermodified');
        $key->setAttributes(XMLDB_KEY_FOREIGN, array('usermodified'), 'user', array('id'));
        /// Launch add key usermodified
        $result = $result && add_key($table, $key);
        upgrade_main_savepoint($result, 2007060500);
    }
    if ($result && $oldversion < 2007070603) {
        // Small update of guest user to be 100% sure it has the correct mnethostid (MDL-10375)
        set_field('user', 'mnethostid', $CFG->mnet_localhost_id, 'username', 'guest');
        upgrade_main_savepoint($result, 2007070603);
    }
    if ($result && $oldversion < 2007071400) {
        /**
         ** mnet application table
         **/
        $table = new XMLDBTable('mnet_application');
        $table->comment = 'Information about applications on remote hosts';
        $f = $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', false, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $f = $table->addFieldInfo('name', XMLDB_TYPE_CHAR, '50', null, XMLDB_NOTNULL, NULL, null, null, null);
        $f = $table->addFieldInfo('display_name', XMLDB_TYPE_CHAR, '50', null, XMLDB_NOTNULL, NULL, null, null, null);
        $f = $table->addFieldInfo('xmlrpc_server_url', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, NULL, null, null, null);
        $f = $table->addFieldInfo('sso_land_url', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, NULL, null, null, null);
        // PK and indexes
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        // Create the table
        $result = $result && create_table($table);
        // Insert initial applications (moodle and mahara)
        $application = new stdClass();
        $application->name = 'moodle';
        $application->display_name = 'Moodle';
        $application->xmlrpc_server_url = '/mnet/xmlrpc/server.php';
        $application->sso_land_url = '/auth/mnet/land.php';
        if ($result) {
            $newid = insert_record('mnet_application', $application, false);
        }
        $application = new stdClass();
        $application->name = 'mahara';
        $application->display_name = 'Mahara';
        $application->xmlrpc_server_url = '/api/xmlrpc/server.php';
        $application->sso_land_url = '/auth/xmlrpc/land.php';
        $result = $result && insert_record('mnet_application', $application, false);
        // New mnet_host->applicationid field
        $table = new XMLDBTable('mnet_host');
        $field = new XMLDBField('applicationid');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, $newid, 'last_log_id');
        $result = $result && add_field($table, $field);
        /// Define key applicationid (foreign) to be added to mnet_host
        $table = new XMLDBTable('mnet_host');
        $key = new XMLDBKey('applicationid');
        $key->setAttributes(XMLDB_KEY_FOREIGN, array('applicationid'), 'mnet_application', array('id'));
        /// Launch add key applicationid
        $result = $result && add_key($table, $key);
        upgrade_main_savepoint($result, 2007071400);
    }
    if ($result && $oldversion < 2007071607) {
        require_once $CFG->dirroot . '/question/upgrade.php';
        $result = $result && question_remove_rqp_qtype_config_string();
        upgrade_main_savepoint($result, 2007071607);
    }
    if ($result && $oldversion < 2007072200) {
        /// Remove all grade tables used in development phases - we need new empty tables for final gradebook upgrade
        $tables = array('grade_categories', 'grade_items', 'grade_calculations', 'grade_grades', 'grade_grades_raw', 'grade_grades_final', 'grade_grades_text', 'grade_outcomes', 'grade_outcomes_courses', 'grade_history', 'grade_import_newitem', 'grade_import_values');
        foreach ($tables as $table) {
            $table = new XMLDBTable($table);
            if (table_exists($table)) {
                drop_table($table);
            }
        }
        $tables = array('grade_categories_history', 'grade_items_history', 'grade_grades_history', 'grade_grades_text_history', 'grade_scale_history', 'grade_outcomes_history');
        foreach ($tables as $table) {
            $table = new XMLDBTable($table);
            if (table_exists($table)) {
                drop_table($table);
            }
        }
        /// Define table grade_outcomes to be created
        $table = new XMLDBTable('grade_outcomes');
        /// Adding fields to table grade_outcomes
        $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $table->addFieldInfo('courseid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('shortname', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('fullname', XMLDB_TYPE_TEXT, 'small', null, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('scaleid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('description', XMLDB_TYPE_TEXT, 'small', null, null, null, null, null, null);
        $table->addFieldInfo('timecreated', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('timemodified', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('usermodified', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        /// Adding keys to table grade_outcomes
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        $table->addKeyInfo('courseid', XMLDB_KEY_FOREIGN, array('courseid'), 'course', array('id'));
        $table->addKeyInfo('scaleid', XMLDB_KEY_FOREIGN, array('scaleid'), 'scale', array('id'));
        $table->addKeyInfo('usermodified', XMLDB_KEY_FOREIGN, array('usermodified'), 'user', array('id'));
        /// Launch create table for grade_outcomes
        $result = $result && create_table($table);
        /// Define table grade_categories to be created
        $table = new XMLDBTable('grade_categories');
        /// Adding fields to table grade_categories
        $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $table->addFieldInfo('courseid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('parent', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('depth', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('path', XMLDB_TYPE_CHAR, '255', null, null, null, null, null, null);
        $table->addFieldInfo('fullname', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('aggregation', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('keephigh', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('droplow', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('aggregateonlygraded', XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('aggregateoutcomes', XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('aggregatesubcats', XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('timecreated', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('timemodified', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        /// Adding keys to table grade_categories
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        $table->addKeyInfo('courseid', XMLDB_KEY_FOREIGN, array('courseid'), 'course', array('id'));
        $table->addKeyInfo('parent', XMLDB_KEY_FOREIGN, array('parent'), 'grade_categories', array('id'));
        /// Launch create table for grade_categories
        $result = $result && create_table($table);
        /// Define table grade_items to be created
        $table = new XMLDBTable('grade_items');
        /// Adding fields to table grade_items
        $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $table->addFieldInfo('courseid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('categoryid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('itemname', XMLDB_TYPE_CHAR, '255', null, null, null, null, null, null);
        $table->addFieldInfo('itemtype', XMLDB_TYPE_CHAR, '30', null, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('itemmodule', XMLDB_TYPE_CHAR, '30', null, null, null, null, null, null);
        $table->addFieldInfo('iteminstance', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('itemnumber', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('iteminfo', XMLDB_TYPE_TEXT, 'medium', null, null, null, null, null, null);
        $table->addFieldInfo('idnumber', XMLDB_TYPE_CHAR, '255', null, null, null, null, null, null);
        $table->addFieldInfo('calculation', XMLDB_TYPE_TEXT, 'medium', null, null, null, null, null, null);
        $table->addFieldInfo('gradetype', XMLDB_TYPE_INTEGER, '4', null, XMLDB_NOTNULL, null, null, null, '1');
        $table->addFieldInfo('grademax', XMLDB_TYPE_NUMBER, '10, 5', null, XMLDB_NOTNULL, null, null, null, '100');
        $table->addFieldInfo('grademin', XMLDB_TYPE_NUMBER, '10, 5', null, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('scaleid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('outcomeid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('gradepass', XMLDB_TYPE_NUMBER, '10, 5', null, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('multfactor', XMLDB_TYPE_NUMBER, '10, 5', null, XMLDB_NOTNULL, null, null, null, '1.0');
        $table->addFieldInfo('plusfactor', XMLDB_TYPE_NUMBER, '10, 5', null, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('aggregationcoef', XMLDB_TYPE_NUMBER, '10, 5', null, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('sortorder', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('display', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('decimals', XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('hidden', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('locked', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('locktime', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('needsupdate', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('timecreated', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('timemodified', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        /// Adding keys to table grade_items
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        $table->addKeyInfo('courseid', XMLDB_KEY_FOREIGN, array('courseid'), 'course', array('id'));
        $table->addKeyInfo('categoryid', XMLDB_KEY_FOREIGN, array('categoryid'), 'grade_categories', array('id'));
        $table->addKeyInfo('scaleid', XMLDB_KEY_FOREIGN, array('scaleid'), 'scale', array('id'));
        $table->addKeyInfo('outcomeid', XMLDB_KEY_FOREIGN, array('outcomeid'), 'grade_outcomes', array('id'));
        /// Adding indexes to table grade_grades
        $table->addIndexInfo('locked-locktime', XMLDB_INDEX_NOTUNIQUE, array('locked', 'locktime'));
        $table->addIndexInfo('itemtype-needsupdate', XMLDB_INDEX_NOTUNIQUE, array('itemtype', 'needsupdate'));
        $table->addIndexInfo('gradetype', XMLDB_INDEX_NOTUNIQUE, array('gradetype'));
        /// Launch create table for grade_items
        $result = $result && create_table($table);
        /// Define table grade_grades to be created
        $table = new XMLDBTable('grade_grades');
        /// Adding fields to table grade_grades
        $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $table->addFieldInfo('itemid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('userid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('rawgrade', XMLDB_TYPE_NUMBER, '10, 5', null, null, null, null, null, null);
        $table->addFieldInfo('rawgrademax', XMLDB_TYPE_NUMBER, '10, 5', null, XMLDB_NOTNULL, null, null, null, '100');
        $table->addFieldInfo('rawgrademin', XMLDB_TYPE_NUMBER, '10, 5', null, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('rawscaleid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('usermodified', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('finalgrade', XMLDB_TYPE_NUMBER, '10, 5', null, null, null, null, null, null);
        $table->addFieldInfo('hidden', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('locked', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('locktime', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('exported', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('overridden', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('excluded', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('feedback', XMLDB_TYPE_TEXT, 'medium', null, null, null, null, null, null);
        $table->addFieldInfo('feedbackformat', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('information', XMLDB_TYPE_TEXT, 'medium', null, null, null, null, null, null);
        $table->addFieldInfo('informationformat', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('timecreated', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('timemodified', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        /// Adding keys to table grade_grades
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        $table->addKeyInfo('itemid', XMLDB_KEY_FOREIGN, array('itemid'), 'grade_items', array('id'));
        $table->addKeyInfo('userid', XMLDB_KEY_FOREIGN, array('userid'), 'user', array('id'));
        $table->addKeyInfo('rawscaleid', XMLDB_KEY_FOREIGN, array('rawscaleid'), 'scale', array('id'));
        $table->addKeyInfo('usermodified', XMLDB_KEY_FOREIGN, array('usermodified'), 'user', array('id'));
        /// Adding indexes to table grade_grades
        $table->addIndexInfo('locked-locktime', XMLDB_INDEX_NOTUNIQUE, array('locked', 'locktime'));
        /// Launch create table for grade_grades
        $result = $result && create_table($table);
        /// Define table grade_outcomes_history to be created
        $table = new XMLDBTable('grade_outcomes_history');
        /// Adding fields to table grade_outcomes_history
        $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $table->addFieldInfo('action', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('oldid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('source', XMLDB_TYPE_CHAR, '255', null, null, null, null, null, null);
        $table->addFieldInfo('timemodified', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('loggeduser', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('courseid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('shortname', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('fullname', XMLDB_TYPE_TEXT, 'small', null, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('scaleid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('description', XMLDB_TYPE_TEXT, 'small', null, null, null, null, null, null);
        /// Adding keys to table grade_outcomes_history
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        $table->addKeyInfo('oldid', XMLDB_KEY_FOREIGN, array('oldid'), 'grade_outcomes', array('id'));
        $table->addKeyInfo('courseid', XMLDB_KEY_FOREIGN, array('courseid'), 'course', array('id'));
        $table->addKeyInfo('scaleid', XMLDB_KEY_FOREIGN, array('scaleid'), 'scale', array('id'));
        $table->addKeyInfo('loggeduser', XMLDB_KEY_FOREIGN, array('loggeduser'), 'user', array('id'));
        /// Adding indexes to table grade_outcomes_history
        $table->addIndexInfo('action', XMLDB_INDEX_NOTUNIQUE, array('action'));
        /// Launch create table for grade_outcomes_history
        $result = $result && create_table($table);
        /// Define table grade_categories_history to be created
        $table = new XMLDBTable('grade_categories_history');
        /// Adding fields to table grade_categories_history
        $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $table->addFieldInfo('action', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('oldid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('source', XMLDB_TYPE_CHAR, '255', null, null, null, null, null, null);
        $table->addFieldInfo('timemodified', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('loggeduser', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('courseid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('parent', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('depth', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('path', XMLDB_TYPE_CHAR, '255', null, null, null, null, null, null);
        $table->addFieldInfo('fullname', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('aggregation', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('keephigh', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('droplow', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('aggregateonlygraded', XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('aggregateoutcomes', XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('aggregatesubcats', XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        /// Adding keys to table grade_categories_history
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        $table->addKeyInfo('oldid', XMLDB_KEY_FOREIGN, array('oldid'), 'grade_categories', array('id'));
        $table->addKeyInfo('courseid', XMLDB_KEY_FOREIGN, array('courseid'), 'course', array('id'));
        $table->addKeyInfo('parent', XMLDB_KEY_FOREIGN, array('parent'), 'grade_categories', array('id'));
        $table->addKeyInfo('loggeduser', XMLDB_KEY_FOREIGN, array('loggeduser'), 'user', array('id'));
        /// Adding indexes to table grade_categories_history
        $table->addIndexInfo('action', XMLDB_INDEX_NOTUNIQUE, array('action'));
        /// Launch create table for grade_categories_history
        $result = $result && create_table($table);
        /// Define table grade_items_history to be created
        $table = new XMLDBTable('grade_items_history');
        /// Adding fields to table grade_items_history
        $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $table->addFieldInfo('action', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('oldid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('source', XMLDB_TYPE_CHAR, '255', null, null, null, null, null, null);
        $table->addFieldInfo('timemodified', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('loggeduser', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('courseid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('categoryid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('itemname', XMLDB_TYPE_CHAR, '255', null, null, null, null, null, null);
        $table->addFieldInfo('itemtype', XMLDB_TYPE_CHAR, '30', null, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('itemmodule', XMLDB_TYPE_CHAR, '30', null, null, null, null, null, null);
        $table->addFieldInfo('iteminstance', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('itemnumber', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('iteminfo', XMLDB_TYPE_TEXT, 'medium', null, null, null, null, null, null);
        $table->addFieldInfo('idnumber', XMLDB_TYPE_CHAR, '255', null, null, null, null, null, null);
        $table->addFieldInfo('calculation', XMLDB_TYPE_TEXT, 'medium', null, null, null, null, null, null);
        $table->addFieldInfo('gradetype', XMLDB_TYPE_INTEGER, '4', null, XMLDB_NOTNULL, null, null, null, '1');
        $table->addFieldInfo('grademax', XMLDB_TYPE_NUMBER, '10, 5', null, XMLDB_NOTNULL, null, null, null, '100');
        $table->addFieldInfo('grademin', XMLDB_TYPE_NUMBER, '10, 5', null, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('scaleid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('outcomeid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('gradepass', XMLDB_TYPE_NUMBER, '10, 5', null, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('multfactor', XMLDB_TYPE_NUMBER, '10, 5', null, XMLDB_NOTNULL, null, null, null, '1.0');
        $table->addFieldInfo('plusfactor', XMLDB_TYPE_NUMBER, '10, 5', null, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('aggregationcoef', XMLDB_TYPE_NUMBER, '10, 5', null, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('sortorder', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('display', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('decimals', XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('hidden', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('locked', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('locktime', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('needsupdate', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null, null, '0');
        /// Adding keys to table grade_items_history
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        $table->addKeyInfo('oldid', XMLDB_KEY_FOREIGN, array('oldid'), 'grade_items', array('id'));
        $table->addKeyInfo('courseid', XMLDB_KEY_FOREIGN, array('courseid'), 'course', array('id'));
        $table->addKeyInfo('categoryid', XMLDB_KEY_FOREIGN, array('categoryid'), 'grade_categories', array('id'));
        $table->addKeyInfo('scaleid', XMLDB_KEY_FOREIGN, array('scaleid'), 'scale', array('id'));
        $table->addKeyInfo('outcomeid', XMLDB_KEY_FOREIGN, array('outcomeid'), 'grade_outcomes', array('id'));
        $table->addKeyInfo('loggeduser', XMLDB_KEY_FOREIGN, array('loggeduser'), 'user', array('id'));
        /// Adding indexes to table grade_items_history
        $table->addIndexInfo('action', XMLDB_INDEX_NOTUNIQUE, array('action'));
        /// Launch create table for grade_items_history
        $result = $result && create_table($table);
        /// Define table grade_grades_history to be created
        $table = new XMLDBTable('grade_grades_history');
        /// Adding fields to table grade_grades_history
        $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $table->addFieldInfo('action', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('oldid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('source', XMLDB_TYPE_CHAR, '255', null, null, null, null, null, null);
        $table->addFieldInfo('timemodified', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('loggeduser', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('itemid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('userid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('rawgrade', XMLDB_TYPE_NUMBER, '10, 5', null, null, null, null, null, null);
        $table->addFieldInfo('rawgrademax', XMLDB_TYPE_NUMBER, '10, 5', null, XMLDB_NOTNULL, null, null, null, '100');
        $table->addFieldInfo('rawgrademin', XMLDB_TYPE_NUMBER, '10, 5', null, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('rawscaleid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('usermodified', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('finalgrade', XMLDB_TYPE_NUMBER, '10, 5', null, null, null, null, null, null);
        $table->addFieldInfo('hidden', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('locked', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('locktime', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('exported', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('overridden', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('excluded', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('feedback', XMLDB_TYPE_TEXT, 'medium', null, null, null, null, null, null);
        $table->addFieldInfo('feedbackformat', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('information', XMLDB_TYPE_TEXT, 'medium', null, null, null, null, null, null);
        $table->addFieldInfo('informationformat', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        /// Adding keys to table grade_grades_history
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        $table->addKeyInfo('oldid', XMLDB_KEY_FOREIGN, array('oldid'), 'grade_grades', array('id'));
        $table->addKeyInfo('itemid', XMLDB_KEY_FOREIGN, array('itemid'), 'grade_items', array('id'));
        $table->addKeyInfo('userid', XMLDB_KEY_FOREIGN, array('userid'), 'user', array('id'));
        $table->addKeyInfo('rawscaleid', XMLDB_KEY_FOREIGN, array('rawscaleid'), 'scale', array('id'));
        $table->addKeyInfo('usermodified', XMLDB_KEY_FOREIGN, array('usermodified'), 'user', array('id'));
        $table->addKeyInfo('loggeduser', XMLDB_KEY_FOREIGN, array('loggeduser'), 'user', array('id'));
        /// Adding indexes to table grade_grades_history
        $table->addIndexInfo('action', XMLDB_INDEX_NOTUNIQUE, array('action'));
        /// Launch create table for grade_grades_history
        $result = $result && create_table($table);
        /// Define table scale_history to be created
        $table = new XMLDBTable('scale_history');
        /// Adding fields to table scale_history
        $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $table->addFieldInfo('action', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('oldid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('source', XMLDB_TYPE_CHAR, '255', null, null, null, null, null, null);
        $table->addFieldInfo('timemodified', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('loggeduser', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('courseid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('userid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('name', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('scale', XMLDB_TYPE_TEXT, 'small', null, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('description', XMLDB_TYPE_TEXT, 'small', null, XMLDB_NOTNULL, null, null, null, null);
        /// Adding keys to table scale_history
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        $table->addKeyInfo('oldid', XMLDB_KEY_FOREIGN, array('oldid'), 'scale', array('id'));
        $table->addKeyInfo('courseid', XMLDB_KEY_FOREIGN, array('courseid'), 'course', array('id'));
        $table->addKeyInfo('loggeduser', XMLDB_KEY_FOREIGN, array('loggeduser'), 'user', array('id'));
        /// Adding indexes to table scale_history
        $table->addIndexInfo('action', XMLDB_INDEX_NOTUNIQUE, array('action'));
        /// Launch create table for scale_history
        $result = $result && create_table($table);
        /// upgrade the old 1.8 gradebook - migrade data into new grade tables
        if ($result) {
            if ($rs = get_recordset('course')) {
                while ($course = rs_fetch_next_record($rs)) {
                    // this function uses SQL only, it must not be changed after 1.9 goes stable!!
                    if (!upgrade_18_gradebook($course->id)) {
                        $result = false;
                        break;
                    }
                }
                rs_close($rs);
            }
        }
        upgrade_main_savepoint($result, 2007072200);
    }
    if ($result && $oldversion < 2007072400) {
        /// Dropping one DEFAULT in a TEXT column. It's was only one remaining
        /// since Moodle 1.7, so new servers won't have those anymore.
        /// Changing the default of field sessdata on table sessions2 to drop it
        $table = new XMLDBTable('sessions2');
        $field = new XMLDBField('sessdata');
        $field->setAttributes(XMLDB_TYPE_TEXT, 'big', null, null, null, null, null, null, 'modified');
        /// Launch change of default for field sessdata
        $result = $result && change_field_default($table, $field);
        upgrade_main_savepoint($result, 2007072400);
    }
    if ($result && $oldversion < 2007073100) {
        /// Define table grade_outcomes_courses to be created
        $table = new XMLDBTable('grade_outcomes_courses');
        /// Adding fields to table grade_outcomes_courses
        $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $table->addFieldInfo('courseid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('outcomeid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        /// Adding keys to table grade_outcomes_courses
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        $table->addKeyInfo('courseid', XMLDB_KEY_FOREIGN, array('courseid'), 'course', array('id'));
        $table->addKeyInfo('outcomeid', XMLDB_KEY_FOREIGN, array('outcomeid'), 'grade_outcomes', array('id'));
        $table->addKeyInfo('courseid-outcomeid', XMLDB_KEY_UNIQUE, array('courseid', 'outcomeid'));
        /// Launch create table for grade_outcomes_courses
        $result = $result && create_table($table);
        upgrade_main_savepoint($result, 2007073100);
    }
    if ($result && $oldversion < 2007073101) {
        // Add new tag tables
        /// Define table tag to be created
        $table = new XMLDBTable('tag');
        /// Adding fields to table tag
        $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $table->addFieldInfo('userid', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('name', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('tagtype', XMLDB_TYPE_CHAR, '255', null, null, null, null, null, null);
        $table->addFieldInfo('description', XMLDB_TYPE_TEXT, 'small', null, null, null, null, null, null);
        $table->addFieldInfo('descriptionformat', XMLDB_TYPE_INTEGER, '2', null, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('flag', XMLDB_TYPE_INTEGER, '4', XMLDB_UNSIGNED, null, null, null, null, '0');
        $table->addFieldInfo('timemodified', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        /// Adding keys to table tag
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        /// Adding indexes to table tag
        $table->addIndexInfo('name', XMLDB_INDEX_UNIQUE, array('name'));
        /// Launch create table for tag
        $result = $result && create_table($table);
        /// Define table tag_correlation to be created
        $table = new XMLDBTable('tag_correlation');
        /// Adding fields to table tag_correlation
        $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $table->addFieldInfo('tagid', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('correlatedtags', XMLDB_TYPE_TEXT, 'small', null, XMLDB_NOTNULL, null, null, null, null);
        /// Adding keys to table tag_correlation
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        /// Adding indexes to table tag_correlation
        $table->addIndexInfo('tagid', XMLDB_INDEX_UNIQUE, array('tagid'));
        /// Launch create table for tag_correlation
        $result = $result && create_table($table);
        /// Define table tag_instance to be created
        $table = new XMLDBTable('tag_instance');
        /// Adding fields to table tag_instance
        $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $table->addFieldInfo('tagid', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('itemtype', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('itemid', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null, null, null);
        /// Adding keys to table tag_instance
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        /// Adding indexes to table tag_instance
        $table->addIndexInfo('tagiditem', XMLDB_INDEX_NOTUNIQUE, array('tagid', 'itemtype', 'itemid'));
        /// Launch create table for tag_instance
        $result = $result && create_table($table);
        upgrade_main_savepoint($result, 2007073101);
    }
    if ($result && $oldversion < 2007073103) {
        /// Define field rawname to be added to tag
        $table = new XMLDBTable('tag');
        $field = new XMLDBField('rawname');
        $field->setAttributes(XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, null, null, null, 'name');
        /// Launch add field rawname
        $result = $result && add_field($table, $field);
        upgrade_main_savepoint($result, 2007073103);
    }
    if ($result && $oldversion < 2007073105) {
        /// Define field description to be added to grade_outcomes
        $table = new XMLDBTable('grade_outcomes');
        $field = new XMLDBField('description');
        if (!field_exists($table, $field)) {
            $field->setAttributes(XMLDB_TYPE_TEXT, 'small', null, null, null, null, null, null, 'scaleid');
            /// Launch add field description
            $result = $result && add_field($table, $field);
        }
        $table = new XMLDBTable('grade_outcomes_history');
        $field = new XMLDBField('description');
        if (!field_exists($table, $field)) {
            $field->setAttributes(XMLDB_TYPE_TEXT, 'small', null, null, null, null, null, null, 'scaleid');
            /// Launch add field description
            $result = $result && add_field($table, $field);
        }
        upgrade_main_savepoint($result, 2007073105);
    }
    // adding unique contraint on (courseid,shortname) of an outcome
    if ($result && $oldversion < 2007080100) {
        /// Define key courseid-shortname (unique) to be added to grade_outcomes
        $table = new XMLDBTable('grade_outcomes');
        $key = new XMLDBKey('courseid-shortname');
        $key->setAttributes(XMLDB_KEY_UNIQUE, array('courseid', 'shortname'));
        /// Launch add key courseid-shortname
        $result = $result && add_key($table, $key);
        upgrade_main_savepoint($result, 2007080100);
    }
    /// originally there was supportname and supportemail upgrade code - this is handled in upgradesettings.php instead
    if ($result && $oldversion < 2007080202) {
        /// Define index tagiditem (not unique) to be dropped form tag_instance
        $table = new XMLDBTable('tag_instance');
        $index = new XMLDBIndex('tagiditem');
        $index->setAttributes(XMLDB_INDEX_NOTUNIQUE, array('tagid', 'itemtype', 'itemid'));
        /// Launch drop index tagiditem
        drop_index($table, $index);
        /// Define index tagiditem (unique) to be added to tag_instance
        $table = new XMLDBTable('tag_instance');
        $index = new XMLDBIndex('tagiditem');
        $index->setAttributes(XMLDB_INDEX_UNIQUE, array('tagid', 'itemtype', 'itemid'));
        /// Launch add index tagiditem
        $result = $result && add_index($table, $index);
        upgrade_main_savepoint($result, 2007080202);
    }
    if ($result && $oldversion < 2007080300) {
        /// Define field aggregateoutcomes to be added to grade_categories
        $table = new XMLDBTable('grade_categories');
        $field = new XMLDBField('aggregateoutcomes');
        if (!field_exists($table, $field)) {
            $field->setAttributes(XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'droplow');
            /// Launch add field aggregateoutcomes
            $result = $result && add_field($table, $field);
        }
        /// Define field aggregateoutcomes to be added to grade_categories
        $table = new XMLDBTable('grade_categories_history');
        $field = new XMLDBField('aggregateoutcomes');
        if (!field_exists($table, $field)) {
            $field->setAttributes(XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'droplow');
            /// Launch add field aggregateoutcomes
            $result = $result && add_field($table, $field);
        }
        upgrade_main_savepoint($result, 2007080300);
    }
    if ($result && $oldversion < 2007080800) {
        /// Normalize course->shortname MDL-10026
        /// Changing precision of field shortname on table course to (100)
        $table = new XMLDBTable('course');
        $field = new XMLDBField('shortname');
        $field->setAttributes(XMLDB_TYPE_CHAR, '100', null, XMLDB_NOTNULL, null, null, null, null, 'fullname');
        /// Launch change of precision for field shortname
        $result = $result && change_field_precision($table, $field);
        upgrade_main_savepoint($result, 2007080800);
    }
    if ($result && $oldversion < 2007080900) {
        /// Add context.path & index
        $table = new XMLDBTable('context');
        $field = new XMLDBField('path');
        $field->setAttributes(XMLDB_TYPE_CHAR, '255', null, null, null, null, null, null, 'instanceid');
        $result = $result && add_field($table, $field);
        $table = new XMLDBTable('context');
        $index = new XMLDBIndex('path');
        $index->setAttributes(XMLDB_INDEX_NOTUNIQUE, array('path'));
        $result = $result && add_index($table, $index);
        /// Add context.depth
        $table = new XMLDBTable('context');
        $field = new XMLDBField('depth');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '2', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'path');
        $result = $result && add_field($table, $field);
        /// make sure the system context has proper data
        get_system_context(false);
        upgrade_main_savepoint($result, 2007080900);
    }
    if ($result && $oldversion < 2007080903) {
        /// Define index
        $table = new XMLDBTable('grade_grades');
        $index = new XMLDBIndex('locked-locktime');
        $index->setAttributes(XMLDB_INDEX_NOTUNIQUE, array('locked', 'locktime'));
        if (!index_exists($table, $index)) {
            /// Launch add index
            $result = $result && add_index($table, $index);
        }
        /// Define index
        $table = new XMLDBTable('grade_items');
        $index = new XMLDBIndex('locked-locktime');
        $index->setAttributes(XMLDB_INDEX_NOTUNIQUE, array('locked', 'locktime'));
        if (!index_exists($table, $index)) {
            /// Launch add index
            $result = $result && add_index($table, $index);
        }
        /// Define index itemtype-needsupdate (not unique) to be added to grade_items
        $table = new XMLDBTable('grade_items');
        $index = new XMLDBIndex('itemtype-needsupdate');
        $index->setAttributes(XMLDB_INDEX_NOTUNIQUE, array('itemtype', 'needsupdate'));
        if (!index_exists($table, $index)) {
            /// Launch add index itemtype-needsupdate
            $result = $result && add_index($table, $index);
        }
        /// Define index
        $table = new XMLDBTable('grade_items');
        $index = new XMLDBIndex('gradetype');
        $index->setAttributes(XMLDB_INDEX_NOTUNIQUE, array('gradetype'));
        if (!index_exists($table, $index)) {
            /// Launch add index
            $result = $result && add_index($table, $index);
        }
        upgrade_main_savepoint($result, 2007080903);
    }
    if ($result && $oldversion < 2007081000) {
        require_once $CFG->dirroot . '/question/upgrade.php';
        $result = $result && question_upgrade_context_etc();
        upgrade_main_savepoint($result, 2007081000);
    }
    if ($result && $oldversion < 2007081302) {
        $table = new XMLDBTable('groups');
        $field = new XMLDBField('password');
        if (field_exists($table, $field)) {
            /// 1.7.*/1.6.*/1.5.* - create 'groupings' and 'groupings_groups' + rename password to enrolmentkey
            /// or second run after fixing structure broken from 1.8.x
            $result = $result && upgrade_17_groups();
        } else {
            if (table_exists(new XMLDBTable('groups_groupings'))) {
                /// ELSE 'groups_groupings' table exists, this is 1.8.* properly upgraded
                $result = $result && upgrade_18_groups();
            } else {
                /// broken groups, failed 1.8.x upgrade
                upgrade_18_broken_groups();
                notify('Warning: failed groups upgrade detected! Unfortunately this problem ' . 'can not be fixed automatically. Mapping of groups to courses was lost, ' . 'you can either revert to backup from 1.7.x and run ugprade again or ' . 'continue and fill in the missing course ids into groups table manually.');
                $result = false;
            }
        }
        upgrade_main_savepoint($result, 2007081302);
    }
    if ($result && $oldversion < 2007081303) {
        /// Common groups upgrade for 1.8.* and 1.7.*/1.6.*..
        // delete not used fields
        $table = new XMLDBTable('groups');
        $field = new XMLDBField('theme');
        if (field_exists($table, $field)) {
            drop_field($table, $field);
        }
        $table = new XMLDBTable('groups');
        $field = new XMLDBField('lang');
        if (field_exists($table, $field)) {
            drop_field($table, $field);
        }
        /// Add groupingid field/f.key to 'course' table.
        $table = new XMLDBTable('course');
        $field = new XMLDBField('defaultgroupingid');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', $prev = 'groupmodeforce');
        $result = $result && add_field($table, $field);
        /// Add grouping ID, grouponly field/f.key to 'course_modules' table.
        $table = new XMLDBTable('course_modules');
        $field = new XMLDBField('groupingid');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', $prev = 'groupmode');
        $result = $result && add_field($table, $field);
        $table = new XMLDBTable('course_modules');
        $field = new XMLDBField('groupmembersonly');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '4', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', $prev = 'groupingid');
        $result = $result && add_field($table, $field);
        $table = new XMLDBTable('course_modules');
        $key = new XMLDBKey('groupingid');
        $key->setAttributes(XMLDB_KEY_FOREIGN, array('groupingid'), 'groupings', array('id'));
        $result = $result && add_key($table, $key);
        upgrade_main_savepoint($result, 2007081303);
    }
    if ($result && $oldversion < 2007082300) {
        /// Define field ordering to be added to tag_instance table
        $table = new XMLDBTable('tag_instance');
        $field = new XMLDBField('ordering');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'itemid');
        /// Launch add field rawname
        $result = $result && add_field($table, $field);
        upgrade_main_savepoint($result, 2007082300);
    }
    if ($result && $oldversion < 2007082700) {
        /// Define field timemodified to be added to tag_instance
        $table = new XMLDBTable('tag_instance');
        $field = new XMLDBField('timemodified');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'ordering');
        /// Launch add field timemodified
        $result = $result && add_field($table, $field);
        upgrade_main_savepoint($result, 2007082700);
    }
    /// migrate all tags table to tag - this code MUST use SQL only,
    /// because if the db structure changes the library functions will fail in future
    if ($result && $oldversion < 2007082701) {
        $tagrefs = array();
        // $tagrefs[$oldtagid] = $newtagid
        if ($rs = get_recordset('tags')) {
            $db->debug = false;
            while ($oldtag = rs_fetch_next_record($rs)) {
                $raw_normalized = clean_param($oldtag->text, PARAM_TAG);
                $normalized = moodle_strtolower($raw_normalized);
                // if this tag does not exist in tag table yet
                if (!($newtag = get_record('tag', 'name', addslashes($normalized), '', '', '', '', 'id'))) {
                    $itag = new object();
                    $itag->name = $normalized;
                    $itag->rawname = $raw_normalized;
                    $itag->userid = $oldtag->userid;
                    $itag->timemodified = time();
                    $itag->descriptionformat = 0;
                    // default format
                    if ($oldtag->type == 'official') {
                        $itag->tagtype = 'official';
                    } else {
                        $itag->tagtype = 'default';
                    }
                    if ($idx = insert_record('tag', addslashes_recursive($itag))) {
                        $tagrefs[$oldtag->id] = $idx;
                    }
                    // if this tag is already used by tag table
                } else {
                    $tagrefs[$oldtag->id] = $newtag->id;
                }
            }
            $db->debug = true;
            rs_close($rs);
        }
        // fetch all the tag instances and migrate them as well
        if ($rs = get_recordset('blog_tag_instance')) {
            $db->debug = false;
            while ($blogtag = rs_fetch_next_record($rs)) {
                if (array_key_exists($blogtag->tagid, $tagrefs)) {
                    $tag_instance = new object();
                    $tag_instance->tagid = $tagrefs[$blogtag->tagid];
                    $tag_instance->itemtype = 'blog';
                    $tag_instance->itemid = $blogtag->entryid;
                    $tag_instance->ordering = 1;
                    // does not matter much, because originally there was no ordering in blogs
                    $tag_instance->timemodified = time();
                    insert_record('tag_instance', $tag_instance);
                }
            }
            $db->debug = true;
            rs_close($rs);
        }
        unset($tagrefs);
        // release memory
        $table = new XMLDBTable('tags');
        drop_table($table);
        $table = new XMLDBTable('blog_tag_instance');
        drop_table($table);
        upgrade_main_savepoint($result, 2007082701);
    }
    /// MDL-11015, MDL-11016
    if ($result && $oldversion < 2007082800) {
        /// Changing type of field userid on table tag to int
        $table = new XMLDBTable('tag');
        $field = new XMLDBField('userid');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null, 'id');
        /// Launch change of type for field userid
        $result = $result && change_field_type($table, $field);
        /// Changing type of field descriptionformat on table tag to int
        $table = new XMLDBTable('tag');
        $field = new XMLDBField('descriptionformat');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '2', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'description');
        /// Launch change of type for field descriptionformat
        $result = $result && change_field_type($table, $field);
        /// Define key userid (foreign) to be added to tag
        $table = new XMLDBTable('tag');
        $key = new XMLDBKey('userid');
        $key->setAttributes(XMLDB_KEY_FOREIGN, array('userid'), 'user', array('id'));
        /// Launch add key userid
        $result = $result && add_key($table, $key);
        /// Define index tagiditem (unique) to be dropped form tag_instance
        $table = new XMLDBTable('tag_instance');
        $index = new XMLDBIndex('tagiditem');
        $index->setAttributes(XMLDB_INDEX_UNIQUE, array('tagid', 'itemtype', 'itemid'));
        /// Launch drop index tagiditem
        $result = $result && drop_index($table, $index);
        /// Changing type of field tagid on table tag_instance to int
        $table = new XMLDBTable('tag_instance');
        $field = new XMLDBField('tagid');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null, 'id');
        /// Launch change of type for field tagid
        $result = $result && change_field_type($table, $field);
        /// Define key tagid (foreign) to be added to tag_instance
        $table = new XMLDBTable('tag_instance');
        $key = new XMLDBKey('tagid');
        $key->setAttributes(XMLDB_KEY_FOREIGN, array('tagid'), 'tag', array('id'));
        /// Launch add key tagid
        $result = $result && add_key($table, $key);
        /// Changing sign of field itemid on table tag_instance to unsigned
        $table = new XMLDBTable('tag_instance');
        $field = new XMLDBField('itemid');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null, 'itemtype');
        /// Launch change of sign for field itemid
        $result = $result && change_field_unsigned($table, $field);
        /// Changing sign of field ordering on table tag_instance to unsigned
        $table = new XMLDBTable('tag_instance');
        $field = new XMLDBField('ordering');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null, 'itemid');
        /// Launch change of sign for field ordering
        $result = $result && change_field_unsigned($table, $field);
        /// Define index itemtype-itemid-tagid (unique) to be added to tag_instance
        $table = new XMLDBTable('tag_instance');
        $index = new XMLDBIndex('itemtype-itemid-tagid');
        $index->setAttributes(XMLDB_INDEX_UNIQUE, array('itemtype', 'itemid', 'tagid'));
        /// Launch add index itemtype-itemid-tagid
        $result = $result && add_index($table, $index);
        /// Define index tagid (unique) to be dropped form tag_correlation
        $table = new XMLDBTable('tag_correlation');
        $index = new XMLDBIndex('tagid');
        $index->setAttributes(XMLDB_INDEX_UNIQUE, array('tagid'));
        /// Launch drop index tagid
        $result = $result && drop_index($table, $index);
        /// Changing type of field tagid on table tag_correlation to int
        $table = new XMLDBTable('tag_correlation');
        $field = new XMLDBField('tagid');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null, 'id');
        /// Launch change of type for field tagid
        $result = $result && change_field_type($table, $field);
        /// Define key tagid (foreign) to be added to tag_correlation
        $table = new XMLDBTable('tag_correlation');
        $key = new XMLDBKey('tagid');
        $key->setAttributes(XMLDB_KEY_FOREIGN, array('tagid'), 'tag', array('id'));
        /// Launch add key tagid
        $result = $result && add_key($table, $key);
        upgrade_main_savepoint($result, 2007082800);
    }
    if ($result && $oldversion < 2007082801) {
        /// Define table user_private_key to be created
        $table = new XMLDBTable('user_private_key');
        /// Adding fields to table user_private_key
        $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $table->addFieldInfo('script', XMLDB_TYPE_CHAR, '128', null, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('value', XMLDB_TYPE_CHAR, '128', null, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('userid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('instance', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('iprestriction', XMLDB_TYPE_CHAR, '255', null, null, null, null, null, null);
        $table->addFieldInfo('validuntil', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('timecreated', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        /// Adding keys to table user_private_key
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        $table->addKeyInfo('userid', XMLDB_KEY_FOREIGN, array('userid'), 'user', array('id'));
        /// Adding indexes to table user_private_key
        $table->addIndexInfo('script-value', XMLDB_INDEX_NOTUNIQUE, array('script', 'value'));
        /// Launch create table for user_private_key
        $result = $result && create_table($table);
        upgrade_main_savepoint($result, 2007082801);
    }
    /// Going to modify the applicationid from int(1) to int(10). Dropping and
    /// re-creating the associated keys/indexes is mandatory to be cross-db. MDL-11042
    if ($result && $oldversion < 2007082803) {
        /// Define key applicationid (foreign) to be dropped form mnet_host
        $table = new XMLDBTable('mnet_host');
        $key = new XMLDBKey('applicationid');
        $key->setAttributes(XMLDB_KEY_FOREIGN, array('applicationid'), 'mnet_application', array('id'));
        /// Launch drop key applicationid
        $result = $result && drop_key($table, $key);
        /// Changing type of field applicationid on table mnet_host to int
        $field = new XMLDBField('applicationid');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '1', 'last_log_id');
        /// Launch change of type for field applicationid
        $result = $result && change_field_type($table, $field);
        /// Define key applicationid (foreign) to be added to mnet_host
        $key = new XMLDBKey('applicationid');
        $key->setAttributes(XMLDB_KEY_FOREIGN, array('applicationid'), 'mnet_application', array('id'));
        /// Launch add key applicationid
        $result = $result && add_key($table, $key);
        upgrade_main_savepoint($result, 2007082803);
    }
    if ($result && $oldversion < 2007090503) {
        /// Define field aggregatesubcats to be added to grade_categories
        $table = new XMLDBTable('grade_categories');
        $field = new XMLDBField('aggregatesubcats');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'aggregateoutcomes');
        if (!field_exists($table, $field)) {
            /// Launch add field aggregateonlygraded
            $result = $result && add_field($table, $field);
        }
        /// Define field aggregateonlygraded to be added to grade_categories
        $table = new XMLDBTable('grade_categories');
        $field = new XMLDBField('aggregateonlygraded');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'droplow');
        if (!field_exists($table, $field)) {
            /// Launch add field aggregateonlygraded
            $result = $result && add_field($table, $field);
        }
        /// Define field aggregatesubcats to be added to grade_categories_history
        $table = new XMLDBTable('grade_categories_history');
        $field = new XMLDBField('aggregatesubcats');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'aggregateoutcomes');
        if (!field_exists($table, $field)) {
            /// Launch add field aggregateonlygraded
            $result = $result && add_field($table, $field);
        }
        /// Define field aggregateonlygraded to be added to grade_categories_history
        $table = new XMLDBTable('grade_categories_history');
        $field = new XMLDBField('aggregateonlygraded');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'droplow');
        if (!field_exists($table, $field)) {
            /// Launch add field aggregateonlygraded
            $result = $result && add_field($table, $field);
        }
        /// upgrade path in grade_categrories table - now using slash on both ends
        $concat = sql_concat('path', "'/'");
        $sql = "UPDATE {$CFG->prefix}grade_categories SET path = {$concat} WHERE path NOT LIKE '/%/'";
        execute_sql($sql, true);
        /// convert old aggregation constants if needed
        /*for ($i=0; $i<=12; $i=$i+2) {
              $j = $i+1;
              $sql = "UPDATE {$CFG->prefix}grade_categories SET aggregation = $i, aggregateonlygraded = 1 WHERE aggregation = $j";
              execute_sql($sql, true);
          }*/
        // not needed anymore - breaks upgrade now
        upgrade_main_savepoint($result, 2007090503);
    }
    /// To have UNIQUE indexes over NULLable columns isn't cross-db at all
    /// so we create a non unique index and programatically enforce uniqueness
    if ($result && $oldversion < 2007090600) {
        /// Define index idnumber (unique) to be dropped form course_modules
        $table = new XMLDBTable('course_modules');
        $index = new XMLDBIndex('idnumber');
        $index->setAttributes(XMLDB_INDEX_UNIQUE, array('idnumber'));
        /// Launch drop index idnumber
        $result = $result && drop_index($table, $index);
        /// Define index idnumber-course (not unique) to be added to course_modules
        $table = new XMLDBTable('course_modules');
        $index = new XMLDBIndex('idnumber-course');
        $index->setAttributes(XMLDB_INDEX_NOTUNIQUE, array('idnumber', 'course'));
        /// Launch add index idnumber-course
        $result = $result && add_index($table, $index);
        /// Define index idnumber-courseid (not unique) to be added to grade_items
        $table = new XMLDBTable('grade_items');
        $index = new XMLDBIndex('idnumber-courseid');
        $index->setAttributes(XMLDB_INDEX_NOTUNIQUE, array('idnumber', 'courseid'));
        /// Launch add index idnumber-courseid
        $result = $result && add_index($table, $index);
        upgrade_main_savepoint($result, 2007090600);
    }
    /// Create the permanent context_temp table to be used by build_context_path()
    if ($result && $oldversion < 2007092001) {
        /// Define table context_temp to be created
        $table = new XMLDBTable('context_temp');
        /// Adding fields to table context_temp
        $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('path', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('depth', XMLDB_TYPE_INTEGER, '2', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        /// Adding keys to table context_temp
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        /// Launch create table for context_temp
        $result = $result && create_table($table);
        /// make sure category depths, parents and paths are ok, categories from 1.5 may not be properly initialized (MDL-12585)
        upgrade_fix_category_depths();
        /// Recalculate depths, paths and so on
        if (!empty($CFG->rolesactive)) {
            cleanup_contexts();
            // make sure all course, category and user contexts exist - we need it for grade letter upgrade, etc.
            create_contexts(CONTEXT_COURSE, false, true);
            create_contexts(CONTEXT_USER, false, true);
            // we need all contexts path/depths filled properly
            build_context_path(true, true);
            load_all_capabilities();
        } else {
            // upgrade from 1.6 - build all contexts
            create_contexts(null, true, true);
        }
        upgrade_main_savepoint($result, 2007092001);
    }
    /**
     * Merging of grade_grades_text back into grade_grades
     */
    if ($result && $oldversion < 2007092002) {
        /// Define field feedback to be added to grade_grades
        $table = new XMLDBTable('grade_grades');
        $field = new XMLDBField('feedback');
        $field->setAttributes(XMLDB_TYPE_TEXT, 'medium', null, null, null, null, null, null, 'excluded');
        if (!field_exists($table, $field)) {
            /// Launch add field feedback
            $result = $result && add_field($table, $field);
        }
        /// Define field feedbackformat to be added to grade_grades
        $table = new XMLDBTable('grade_grades');
        $field = new XMLDBField('feedbackformat');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'feedback');
        if (!field_exists($table, $field)) {
            /// Launch add field feedbackformat
            $result = $result && add_field($table, $field);
        }
        /// Define field information to be added to grade_grades
        $table = new XMLDBTable('grade_grades');
        $field = new XMLDBField('information');
        $field->setAttributes(XMLDB_TYPE_TEXT, 'medium', null, null, null, null, null, null, 'feedbackformat');
        if (!field_exists($table, $field)) {
            /// Launch add field information
            $result = $result && add_field($table, $field);
        }
        /// Define field informationformat to be added to grade_grades
        $table = new XMLDBTable('grade_grades');
        $field = new XMLDBField('informationformat');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'information');
        if (!field_exists($table, $field)) {
            /// Launch add field informationformat
            $result = $result && add_field($table, $field);
        }
        /// Define field feedback to be added to grade_grades_history
        $table = new XMLDBTable('grade_grades_history');
        $field = new XMLDBField('feedback');
        $field->setAttributes(XMLDB_TYPE_TEXT, 'medium', null, null, null, null, null, null, 'excluded');
        if (!field_exists($table, $field)) {
            /// Launch add field feedback
            $result = $result && add_field($table, $field);
        }
        /// Define field feedbackformat to be added to grade_grades_history
        $table = new XMLDBTable('grade_grades_history');
        $field = new XMLDBField('feedbackformat');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'feedback');
        if (!field_exists($table, $field)) {
            /// Launch add field feedbackformat
            $result = $result && add_field($table, $field);
        }
        /// Define field information to be added to grade_grades_history
        $table = new XMLDBTable('grade_grades_history');
        $field = new XMLDBField('information');
        $field->setAttributes(XMLDB_TYPE_TEXT, 'medium', null, null, null, null, null, null, 'feedbackformat');
        if (!field_exists($table, $field)) {
            /// Launch add field information
            $result = $result && add_field($table, $field);
        }
        /// Define field informationformat to be added to grade_grades_history
        $table = new XMLDBTable('grade_grades_history');
        $field = new XMLDBField('informationformat');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'information');
        if (!field_exists($table, $field)) {
            /// Launch add field informationformat
            $result = $result && add_field($table, $field);
        }
        $table = new XMLDBTable('grade_grades_text');
        if ($result and table_exists($table)) {
            //migrade existing data into grade_grades table - this is slow but works for all dbs,
            //it will be executed on development sites only
            $fields = array('feedback', 'information');
            foreach ($fields as $field) {
                $sql = "UPDATE {$CFG->prefix}grade_grades\n                           SET {$field} = (\n                                SELECT {$field}\n                                  FROM {$CFG->prefix}grade_grades_text ggt\n                                 WHERE ggt.gradeid = {$CFG->prefix}grade_grades.id)";
                $result = execute_sql($sql) && $result;
            }
            $fields = array('feedbackformat', 'informationformat');
            foreach ($fields as $field) {
                $sql = "UPDATE {$CFG->prefix}grade_grades\n                           SET {$field} = COALESCE((\n                                SELECT {$field}\n                                  FROM {$CFG->prefix}grade_grades_text ggt\n                                 WHERE ggt.gradeid = {$CFG->prefix}grade_grades.id), 0)";
                $result = execute_sql($sql) && $result;
            }
            if ($result) {
                $tables = array('grade_grades_text', 'grade_grades_text_history');
                foreach ($tables as $table) {
                    $table = new XMLDBTable($table);
                    if (table_exists($table)) {
                        drop_table($table);
                    }
                }
            }
        }
        upgrade_main_savepoint($result, 2007092002);
    }
    if ($result && $oldversion < 2007092803) {
        /// Remove obsoleted unit tests tables - they will be recreated automatically
        $tables = array('grade_categories', 'scale', 'grade_items', 'grade_calculations', 'grade_grades', 'grade_grades_raw', 'grade_grades_final', 'grade_grades_text', 'grade_outcomes', 'grade_outcomes_courses');
        foreach ($tables as $tablename) {
            $table = new XMLDBTable('unittest_' . $tablename);
            if (table_exists($table)) {
                drop_table($table);
            }
            $table = new XMLDBTable('unittest_' . $tablename . '_history');
            if (table_exists($table)) {
                drop_table($table);
            }
        }
        /// Define field display to be added to grade_items
        $table = new XMLDBTable('grade_items');
        $field = new XMLDBField('display');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null, null, '0', 'sortorder');
        /// Launch add field display
        if (!field_exists($table, $field)) {
            $result = $result && add_field($table, $field);
        } else {
            $result = $result && change_field_default($table, $field);
        }
        /// Define field display to be added to grade_items_history
        $table = new XMLDBTable('grade_items_history');
        $field = new XMLDBField('display');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null, null, '0', 'sortorder');
        /// Launch add field display
        if (!field_exists($table, $field)) {
            $result = $result && add_field($table, $field);
        }
        /// Define field decimals to be added to grade_items
        $table = new XMLDBTable('grade_items');
        $field = new XMLDBField('decimals');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, null, null, null, null, null, 'display');
        /// Launch add field decimals
        if (!field_exists($table, $field)) {
            $result = $result && add_field($table, $field);
        } else {
            $result = $result && change_field_default($table, $field);
            $result = $result && change_field_notnull($table, $field);
        }
        /// Define field decimals to be added to grade_items_history
        $table = new XMLDBTable('grade_items_history');
        $field = new XMLDBField('decimals');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, null, null, null, null, null, 'display');
        /// Launch add field decimals
        if (!field_exists($table, $field)) {
            $result = $result && add_field($table, $field);
        }
        /// fix incorrect -1 default for grade_item->display
        execute_sql("UPDATE {$CFG->prefix}grade_items SET display=0 WHERE display=-1");
        upgrade_main_savepoint($result, 2007092803);
    }
    /// migrade grade letters - we can not do this in normal grades upgrade becuase we need all course contexts
    if ($result && $oldversion < 2007092806) {
        $result = upgrade_18_letters();
        /// Define index contextidlowerboundary (not unique) to be added to grade_letters
        $table = new XMLDBTable('grade_letters');
        $index = new XMLDBIndex('contextid-lowerboundary');
        $index->setAttributes(XMLDB_INDEX_NOTUNIQUE, array('contextid', 'lowerboundary'));
        /// Launch add index contextidlowerboundary
        if (!index_exists($table, $index)) {
            $result = $result && add_index($table, $index);
        }
        upgrade_main_savepoint($result, 2007092806);
    }
    if ($result && $oldversion < 2007100100) {
        /// Define table cache_flags to be created
        $table = new XMLDBTable('cache_flags');
        /// Adding fields to table cache_flags
        $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $table->addFieldInfo('flagtype', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('name', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('timemodified', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('value', XMLDB_TYPE_TEXT, 'medium', null, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('expiry', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        /// Adding keys to table cache_flags
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        /*
         * Note: mysql can not create indexes on text fields larger than 333 chars! 
         */
        /// Adding indexes to table cache_flags
        $table->addIndexInfo('flagtype', XMLDB_INDEX_NOTUNIQUE, array('flagtype'));
        $table->addIndexInfo('name', XMLDB_INDEX_NOTUNIQUE, array('name'));
        /// Launch create table for cache_flags
        if (!table_exists($table)) {
            $result = $result && create_table($table);
        }
        upgrade_main_savepoint($result, 2007100100);
    }
    if ($result && $oldversion < 2007100300) {
        /// MNET stuff for roaming theme
        /// Define field force_theme to be added to mnet_host
        $table = new XMLDBTable('mnet_host');
        $field = new XMLDBField('force_theme');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'last_log_id');
        /// Launch add field force_theme
        $result = $result && add_field($table, $field);
        /// Define field theme to be added to mnet_host
        $table = new XMLDBTable('mnet_host');
        $field = new XMLDBField('theme');
        $field->setAttributes(XMLDB_TYPE_CHAR, '100', null, null, null, null, null, null, 'force_theme');
        /// Launch add field theme
        $result = $result && add_field($table, $field);
        upgrade_main_savepoint($result, 2007100300);
    }
    if ($result && $oldversion < 2007100301) {
        /// Define table cache_flags to be created
        $table = new XMLDBTable('cache_flags');
        $index = new XMLDBIndex('typename');
        if (index_exists($table, $index)) {
            $result = $result && drop_index($table, $index);
        }
        $table = new XMLDBTable('cache_flags');
        $index = new XMLDBIndex('flagtype');
        $index->setAttributes(XMLDB_INDEX_NOTUNIQUE, array('flagtype'));
        if (!index_exists($table, $index)) {
            $result = $result && add_index($table, $index);
        }
        $table = new XMLDBTable('cache_flags');
        $index = new XMLDBIndex('name');
        $index->setAttributes(XMLDB_INDEX_NOTUNIQUE, array('name'));
        if (!index_exists($table, $index)) {
            $result = $result && add_index($table, $index);
        }
        upgrade_main_savepoint($result, 2007100301);
    }
    if ($result && $oldversion < 2007100303) {
        /// Changing nullability of field summary on table course to null
        $table = new XMLDBTable('course');
        $field = new XMLDBField('summary');
        $field->setAttributes(XMLDB_TYPE_TEXT, 'small', null, null, null, null, null, null, 'idnumber');
        /// Launch change of nullability for field summary
        $result = $result && change_field_notnull($table, $field);
        upgrade_main_savepoint($result, 2007100303);
    }
    if ($result && $oldversion < 2007100500) {
        /// for dev sites - it is ok to do this repeatedly
        /// Changing nullability of field path on table context to null
        $table = new XMLDBTable('context');
        $field = new XMLDBField('path');
        $field->setAttributes(XMLDB_TYPE_CHAR, '255', null, null, null, null, null, null, 'instanceid');
        /// Launch change of nullability for field path
        $result = $result && change_field_notnull($table, $field);
        upgrade_main_savepoint($result, 2007100500);
    }
    if ($result && $oldversion < 2007100700) {
        /// first drop existing tables - we do not need any data from there
        $table = new XMLDBTable('grade_import_values');
        if (table_exists($table)) {
            drop_table($table);
        }
        $table = new XMLDBTable('grade_import_newitem');
        if (table_exists($table)) {
            drop_table($table);
        }
        /// Define table grade_import_newitem to be created
        $table = new XMLDBTable('grade_import_newitem');
        /// Adding fields to table grade_import_newitem
        $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $table->addFieldInfo('itemname', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('importcode', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('importer', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        /// Adding keys to table grade_import_newitem
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        $table->addKeyInfo('importer', XMLDB_KEY_FOREIGN, array('importer'), 'user', array('id'));
        /// Launch create table for grade_import_newitem
        $result = $result && create_table($table);
        /// Define table grade_import_values to be created
        $table = new XMLDBTable('grade_import_values');
        /// Adding fields to table grade_import_values
        $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $table->addFieldInfo('itemid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('newgradeitem', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('userid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('finalgrade', XMLDB_TYPE_NUMBER, '10, 5', null, null, null, null, null, null);
        $table->addFieldInfo('feedback', XMLDB_TYPE_TEXT, 'medium', null, null, null, null, null, null);
        $table->addFieldInfo('importcode', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('importer', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        /// Adding keys to table grade_import_values
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        $table->addKeyInfo('itemid', XMLDB_KEY_FOREIGN, array('itemid'), 'grade_items', array('id'));
        $table->addKeyInfo('newgradeitem', XMLDB_KEY_FOREIGN, array('newgradeitem'), 'grade_import_newitem', array('id'));
        $table->addKeyInfo('importer', XMLDB_KEY_FOREIGN, array('importer'), 'user', array('id'));
        /// Launch create table for grade_import_values
        $result = $result && create_table($table);
        upgrade_main_savepoint($result, 2007100700);
    }
    /// dropping context_rel table - not used anymore
    if ($result && $oldversion < 2007100800) {
        /// Define table context_rel to be dropped
        $table = new XMLDBTable('context_rel');
        /// Launch drop table for context_rel
        if (table_exists($table)) {
            drop_table($table);
        }
        upgrade_main_savepoint($result, 2007100800);
    }
    /// Truncate the text_cahe table and add new index
    if ($result && $oldversion < 2007100802) {
        /// Truncate the cache_text table
        execute_sql("TRUNCATE TABLE {$CFG->prefix}cache_text", true);
        /// Define index timemodified (not unique) to be added to cache_text
        $table = new XMLDBTable('cache_text');
        $index = new XMLDBIndex('timemodified');
        $index->setAttributes(XMLDB_INDEX_NOTUNIQUE, array('timemodified'));
        /// Launch add index timemodified
        $result = $result && add_index($table, $index);
        upgrade_main_savepoint($result, 2007100802);
    }
    /// newtable for gradebook settings per course
    if ($result && $oldversion < 2007100803) {
        /// Define table grade_settings to be created
        $table = new XMLDBTable('grade_settings');
        /// Adding fields to table grade_settings
        $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $table->addFieldInfo('courseid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('name', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('value', XMLDB_TYPE_TEXT, 'small', null, null, null, null, null, null);
        /// Adding keys to table grade_settings
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        $table->addKeyInfo('courseid', XMLDB_KEY_FOREIGN, array('courseid'), 'course', array('id'));
        /// Adding indexes to table grade_settings
        $table->addIndexInfo('courseid-name', XMLDB_INDEX_UNIQUE, array('courseid', 'name'));
        /// Launch create table for grade_settings
        $result = $result && create_table($table);
        upgrade_main_savepoint($result, 2007100803);
    }
    /// cleanup in user_lastaccess
    if ($result && $oldversion < 2007100902) {
        $sql = "DELETE\n                  FROM {$CFG->prefix}user_lastaccess\n                 WHERE NOT EXISTS (SELECT 'x'\n                                    FROM {$CFG->prefix}course c\n                                   WHERE c.id = {$CFG->prefix}user_lastaccess.courseid)";
        execute_sql($sql);
        upgrade_main_savepoint($result, 2007100902);
    }
    /// drop old gradebook tables
    if ($result && $oldversion < 2007100903) {
        $tables = array('grade_category', 'grade_item', 'grade_letter', 'grade_preferences', 'grade_exceptions');
        foreach ($tables as $table) {
            $table = new XMLDBTable($table);
            if (table_exists($table)) {
                drop_table($table);
            }
        }
        upgrade_main_savepoint($result, 2007100903);
    }
    if ($result && $oldversion < 2007101500 && !file_exists($CFG->dataroot . '/user')) {
        // Get list of users by browsing moodledata/user
        $oldusersdir = $CFG->dataroot . '/users';
        $folders = get_directory_list($oldusersdir, '', false, true, false);
        foreach ($folders as $userid) {
            $olddir = $oldusersdir . '/' . $userid;
            $files = get_directory_list($olddir);
            if (empty($files)) {
                continue;
            }
            // Create new user directory
            if (!($newdir = make_user_directory($userid))) {
                // some weird directory - do not stop the upgrade, just ignore it
                continue;
            }
            // Move contents of old directory to new one
            if (file_exists($olddir) && file_exists($newdir)) {
                foreach ($files as $file) {
                    copy($olddir . '/' . $file, $newdir . '/' . $file);
                }
            } else {
                notify("Could not move the contents of {$olddir} into {$newdir}!");
                $result = false;
                break;
            }
        }
        // Leave a README in old users directory
        $readmefilename = $oldusersdir . '/README.txt';
        if ($handle = fopen($readmefilename, 'w+b')) {
            if (!fwrite($handle, get_string('olduserdirectory'))) {
                // Could not write to the readme file. No cause for huge concern
                notify("Could not write to the README.txt file in {$readmefilename}.");
            }
            fclose($handle);
        } else {
            // Could not create the readme file. No cause for huge concern
            notify("Could not create the README.txt file in {$readmefilename}.");
        }
    }
    if ($result && $oldversion < 2007101502) {
        /// try to remove duplicate entries
        $SQL = "SELECT userid, itemid, COUNT(*)\n               FROM {$CFG->prefix}grade_grades\n               GROUP BY userid, itemid\n               HAVING COUNT( * ) >1";
        // duplicates found
        if ($rs = get_recordset_sql($SQL)) {
            if ($rs && $rs->RecordCount() > 0) {
                while ($dup = rs_fetch_next_record($rs)) {
                    if ($thisdups = get_records_sql("SELECT id FROM {$CFG->prefix}grade_grades \n                                                    WHERE itemid = {$dup->itemid} AND userid = {$dup->userid}\n                                                    ORDER BY timemodified DESC")) {
                        $processed = 0;
                        // keep the first one
                        foreach ($thisdups as $thisdup) {
                            if ($processed) {
                                // remove the duplicates
                                delete_records('grade_grades', 'id', $thisdup->id);
                            }
                            $processed++;
                        }
                    }
                }
                rs_close($rs);
            }
        }
        /// Define key userid-itemid (unique) to be added to grade_grades
        $table = new XMLDBTable('grade_grades');
        $key = new XMLDBKey('userid-itemid');
        $key->setAttributes(XMLDB_KEY_UNIQUE, array('userid', 'itemid'));
        /// Launch add key userid-itemid
        $result = $result && add_key($table, $key);
        /// Main savepoint reached
        upgrade_main_savepoint($result, 2007101502);
    }
    if ($result && $oldversion < 2007101505) {
        /// Changing precision of field dst_time on table timezone to (6)
        $table = new XMLDBTable('timezone');
        $field = new XMLDBField('dst_time');
        $field->setAttributes(XMLDB_TYPE_CHAR, '6', null, XMLDB_NOTNULL, null, null, null, '00:00', 'dst_skipweeks');
        /// Launch change of precision for field dst_time
        $result = $result && change_field_precision($table, $field);
        /// Changing precision of field std_time on table timezone to (6)
        $table = new XMLDBTable('timezone');
        $field = new XMLDBField('std_time');
        $field->setAttributes(XMLDB_TYPE_CHAR, '6', null, XMLDB_NOTNULL, null, null, null, '00:00', 'std_skipweeks');
        /// Launch change of precision for field std_time
        $result = $result && change_field_precision($table, $field);
        /// Main savepoint reached
        upgrade_main_savepoint($result, 2007101505);
    }
    if ($result && $oldversion < 2007101506) {
        /// CONTEXT_PERSONAL was never implemented - removing
        $sql = "DELETE\n                  FROM {$CFG->prefix}context\n                 WHERE contextlevel=20";
        execute_sql($sql);
        /// Main savepoint reached
        upgrade_main_savepoint($result, 2007101506);
    }
    if ($result && $oldversion < 2007101507) {
        $db->debug = false;
        require_once $CFG->dirroot . '/course/lib.php';
        notify('Started rebuilding of course cache...', 'notifysuccess');
        rebuild_course_cache();
        // Rebuild course cache - new group related fields there
        notify('...finished rebuilding of course cache.', 'notifysuccess');
        $db->debug = true;
        /// Main savepoint reached
        upgrade_main_savepoint($result, 2007101507);
    }
    if ($result && $oldversion < 2007101508) {
        $db->debug = false;
        notify('Updating country list according to recent official ISO listing...', 'notifysuccess');
        // re-assign users to valid countries
        set_field('user', 'country', 'CD', 'country', 'ZR');
        // Zaire is now Congo Democratique
        set_field('user', 'country', 'TL', 'country', 'TP');
        // Timor has changed
        set_field('user', 'country', 'FR', 'country', 'FX');
        // France metropolitaine doesn't exist
        set_field('user', 'country', 'RS', 'country', 'KO');
        // Kosovo is part of Serbia, "under the auspices of the United Nations, pursuant to UN Security Council Resolution 1244 of 10 June 1999."
        set_field('user', 'country', 'GB', 'country', 'WA');
        // Wales is part of UK (ie Great Britain)
        set_field('user', 'country', 'RS', 'country', 'CS');
        // Re-assign Serbia-Montenegro to Serbia.  This is arbitrary, but there is no way to make an automatic decision on this.
        notify('...update complete. Remember to update the language pack to get the most recent country names defitions and codes.  This is specialy important for sites with users from Congo (now CD), Timor (now TL), Kosovo (now RS), Wales (now GB), Serbia (RS) and Montenegro (ME).  Users based in Montenegro (ME) will need to manually update their profile.', 'notifysuccess');
        $db->debug = true;
        upgrade_main_savepoint($result, 2007101508);
    }
    if ($result && $oldversion < 2007101508.01) {
        // add forgotten table
        /// Define table scale_history to be created
        $table = new XMLDBTable('scale_history');
        /// Adding fields to table scale_history
        $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $table->addFieldInfo('action', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('oldid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('source', XMLDB_TYPE_CHAR, '255', null, null, null, null, null, null);
        $table->addFieldInfo('timemodified', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('loggeduser', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('courseid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('userid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('name', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('scale', XMLDB_TYPE_TEXT, 'small', null, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('description', XMLDB_TYPE_TEXT, 'small', null, XMLDB_NOTNULL, null, null, null, null);
        /// Adding keys to table scale_history
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        $table->addKeyInfo('oldid', XMLDB_KEY_FOREIGN, array('oldid'), 'scale', array('id'));
        $table->addKeyInfo('courseid', XMLDB_KEY_FOREIGN, array('courseid'), 'course', array('id'));
        $table->addKeyInfo('loggeduser', XMLDB_KEY_FOREIGN, array('loggeduser'), 'user', array('id'));
        /// Adding indexes to table scale_history
        $table->addIndexInfo('action', XMLDB_INDEX_NOTUNIQUE, array('action'));
        if ($result and !table_exists($table)) {
            /// Launch create table for scale_history
            $result = $result && create_table($table);
        }
        /// Main savepoint reached
        upgrade_main_savepoint($result, 2007101508.01);
    }
    if ($result && $oldversion < 2007101508.02) {
        // upgade totals, no big deal if it fails
        require_once $CFG->libdir . '/statslib.php';
        stats_upgrade_totals();
        if (isset($CFG->loglifetime) and $CFG->loglifetime == 30) {
            set_config('loglifetime', 35);
            // we need more than 31 days for monthly stats!
        }
        notify('Upgrading log table indexes, this may take a long time, please be patient.', 'notifysuccess');
        /// Define index time-course-module-action (not unique) to be dropped form log
        $table = new XMLDBTable('log');
        $index = new XMLDBIndex('time-course-module-action');
        $index->setAttributes(XMLDB_INDEX_NOTUNIQUE, array('time', 'course', 'module', 'action'));
        /// Launch drop index time-course-module-action
        if (index_exists($table, $index)) {
            $result = drop_index($table, $index) && $result;
        }
        /// Define index userid (not unique) to be dropped form log
        $table = new XMLDBTable('log');
        $index = new XMLDBIndex('userid');
        $index->setAttributes(XMLDB_INDEX_NOTUNIQUE, array('userid'));
        /// Launch drop index userid
        if (index_exists($table, $index)) {
            $result = drop_index($table, $index) && $result;
        }
        /// Define index info (not unique) to be dropped form log
        $table = new XMLDBTable('log');
        $index = new XMLDBIndex('info');
        $index->setAttributes(XMLDB_INDEX_NOTUNIQUE, array('info'));
        /// Launch drop index info
        if (index_exists($table, $index)) {
            $result = drop_index($table, $index) && $result;
        }
        /// Define index time (not unique) to be added to log
        $table = new XMLDBTable('log');
        $index = new XMLDBIndex('time');
        $index->setAttributes(XMLDB_INDEX_NOTUNIQUE, array('time'));
        /// Launch add index time
        if (!index_exists($table, $index)) {
            $result = add_index($table, $index) && $result;
        }
        /// Define index action (not unique) to be added to log
        $table = new XMLDBTable('log');
        $index = new XMLDBIndex('action');
        $index->setAttributes(XMLDB_INDEX_NOTUNIQUE, array('action'));
        /// Launch add index action
        if (!index_exists($table, $index)) {
            $result = add_index($table, $index) && $result;
        }
        /// Main savepoint reached
        upgrade_main_savepoint($result, 2007101508.02);
    }
    if ($result && $oldversion < 2007101508.03) {
        /// Define index course-userid (not unique) to be dropped form log
        $table = new XMLDBTable('log');
        $index = new XMLDBIndex('course-userid');
        $index->setAttributes(XMLDB_INDEX_NOTUNIQUE, array('course', 'userid'));
        /// Launch drop index course-userid
        if (index_exists($table, $index)) {
            $result = $result && drop_index($table, $index);
        }
        /// Define index userid-course (not unique) to be added to log
        $table = new XMLDBTable('log');
        $index = new XMLDBIndex('userid-course');
        $index->setAttributes(XMLDB_INDEX_NOTUNIQUE, array('userid', 'course'));
        /// Launch add index userid-course
        if (!index_exists($table, $index)) {
            $result = $result && add_index($table, $index);
        }
        /// Main savepoint reached
        upgrade_main_savepoint($result, 2007101508.03);
    }
    if ($result && $oldversion < 2007101508.04) {
        set_field('tag_instance', 'itemtype', 'post', 'itemtype', 'blog');
        upgrade_main_savepoint($result, 2007101508.04);
    }
    if ($result && $oldversion < 2007101508.05) {
        /// Define index cmid (not unique) to be added to log
        $table = new XMLDBTable('log');
        $index = new XMLDBIndex('cmid');
        $index->setAttributes(XMLDB_INDEX_NOTUNIQUE, array('cmid'));
        /// Launch add index cmid
        if (!index_exists($table, $index)) {
            $result = $result && add_index($table, $index);
        }
        /// Main savepoint reached
        upgrade_main_savepoint($result, 2007101508.05);
    }
    if ($result && $oldversion < 2007101508.06) {
        /// Define index groupid-courseid-visible-userid (not unique) to be added to event
        $table = new XMLDBTable('event');
        $index = new XMLDBIndex('groupid-courseid-visible-userid');
        $index->setAttributes(XMLDB_INDEX_NOTUNIQUE, array('groupid', 'courseid', 'visible', 'userid'));
        /// Launch add index groupid-courseid-visible-userid
        if (!index_exists($table, $index)) {
            $result = $result && add_index($table, $index);
        }
        /// Main savepoint reached
        upgrade_main_savepoint($result, 2007101508.06);
    }
    if ($result && $oldversion < 2007101508.07) {
        /// Define table webdav_locks to be created
        $table = new XMLDBTable('webdav_locks');
        /// Adding fields to table webdav_locks
        $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $table->addFieldInfo('token', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('path', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('expiry', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('userid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('recursive', XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('exclusivelock', XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('created', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('modified', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('owner', XMLDB_TYPE_CHAR, '255', null, null, null, null, null, null);
        /// Adding keys to table webdav_locks
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        $table->addKeyInfo('token', XMLDB_KEY_UNIQUE, array('token'));
        /// Adding indexes to table webdav_locks
        $table->addIndexInfo('path', XMLDB_INDEX_NOTUNIQUE, array('path'));
        $table->addIndexInfo('expiry', XMLDB_INDEX_NOTUNIQUE, array('expiry'));
        /// Launch create table for webdav_locks
        $result = $result && create_table($table);
        /// Main savepoint reached
        upgrade_main_savepoint($result, 2007101508.07);
    }
    if ($result && $oldversion < 2007101508.08) {
        // MDL-13676
        /// Define field name to be added to role_names
        $table = new XMLDBTable('role_names');
        $field = new XMLDBField('name');
        $field->setAttributes(XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, null, null, null, 'text');
        /// Launch add field name
        $result = $result && add_field($table, $field);
        /// Copy data from old field to new field
        $result = $result && execute_sql('UPDATE ' . $CFG->prefix . 'role_names SET name = text');
        /// Define field text to be dropped from role_names
        $table = new XMLDBTable('role_names');
        $field = new XMLDBField('text');
        /// Launch drop field text
        $result = $result && drop_field($table, $field);
        /// Main savepoint reached
        upgrade_main_savepoint($result, 2007101508.08);
    }
    if ($result && $oldversion < 2007101509) {
        // force full regrading
        set_field('grade_items', 'needsupdate', 1, 'needsupdate', 0);
    }
    if ($result && $oldversion < 2007101510) {
        /// Fix minor problem caused by MDL-5482.
        require_once $CFG->dirroot . '/question/upgrade.php';
        $result = $result && question_fix_random_question_parents();
        upgrade_main_savepoint($result, 2007101510);
    }
    if ($result && $oldversion < 2007101511) {
        // if guest role used as default user role unset it and force admin to choose new setting
        if (!empty($CFG->defaultuserroleid)) {
            if ($role = get_record('role', 'id', $CFG->defaultuserroleid)) {
                if ($guestroles = get_roles_with_capability('moodle/legacy:guest', CAP_ALLOW)) {
                    if (isset($guestroles[$role->id])) {
                        set_config('defaultuserroleid', null);
                        notify('Guest role removed from "Default role for all users" setting, please select another role.', 'notifysuccess');
                    }
                }
            } else {
                set_config('defaultuserroleid', null);
            }
        }
    }
    if ($result && $oldversion < 2007101512) {
        notify('Increasing size of user idnumber field, this may take a while...', 'notifysuccess');
        /// Under MySQL and Postgres... detect old NULL contents and change them by correct empty string. MDL-14859
        if ($CFG->dbfamily == 'mysql' || $CFG->dbfamily == 'postgres') {
            execute_sql("UPDATE {$CFG->prefix}user SET idnumber = '' WHERE idnumber IS NULL", true);
        }
        /// Define index idnumber (not unique) to be dropped form user
        $table = new XMLDBTable('user');
        $index = new XMLDBIndex('idnumber');
        $index->setAttributes(XMLDB_INDEX_NOTUNIQUE, array('idnumber'));
        /// Launch drop index idnumber
        if (index_exists($table, $index)) {
            $result = $result && drop_index($table, $index);
        }
        /// Changing precision of field idnumber on table user to (255)
        $table = new XMLDBTable('user');
        $field = new XMLDBField('idnumber');
        $field->setAttributes(XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, null, null, null, 'password');
        /// Launch change of precision for field idnumber
        $result = $result && change_field_precision($table, $field);
        /// Launch add index idnumber again
        $index = new XMLDBIndex('idnumber');
        $index->setAttributes(XMLDB_INDEX_NOTUNIQUE, array('idnumber'));
        $result = $result && add_index($table, $index);
        /// Main savepoint reached
        upgrade_main_savepoint($result, 2007101512);
    }
    if ($result && $oldversion < 2007101513) {
        $log_action = new stdClass();
        $log_action->module = 'course';
        $log_action->action = 'unenrol';
        $log_action->mtable = 'course';
        $log_action->field = 'fullname';
        if (!record_exists("log_display", "action", "unenrol", "module", "course")) {
            $result = $result && insert_record('log_display', $log_action);
        }
        upgrade_main_savepoint($result, 2007101513);
    }
    if ($result && $oldversion < 2007101514) {
        $table = new XMLDBTable('mnet_enrol_course');
        $field = new XMLDBField('sortorder');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', true, true, null, false, false, 0);
        $result = change_field_precision($table, $field);
        upgrade_main_savepoint($result, 2007101514);
    }
    if ($result && $oldversion < 2007101515) {
        $result = delete_records_select('role_names', sql_isempty('role_names', 'name', false, false));
        upgrade_main_savepoint($result, 2007101515);
    }
    if ($result && $oldversion < 2007101517) {
        if (isset($CFG->defaultuserroleid) and isset($CFG->guestroleid) and $CFG->defaultuserroleid == $CFG->guestroleid) {
            // guest can not be selected in defaultuserroleid!
            unset_config('defaultuserroleid');
        }
        upgrade_main_savepoint($result, 2007101517);
    }
    if ($result && $oldversion < 2007101526) {
        /// Changing the default of field lang on table user to en_utf8
        $table = new XMLDBTable('user');
        $field = new XMLDBField('lang');
        $field->setAttributes(XMLDB_TYPE_CHAR, '30', null, XMLDB_NOTNULL, null, null, null, 'en_utf8', 'country');
        /// Launch change of default for field lang
        $result = $result && change_field_default($table, $field);
        /// Main savepoint reached
        upgrade_main_savepoint($result, 2007101526);
    }
    if ($result && $oldversion < 2007101527) {
        if (!get_config(NULL, 'statsruntimedays')) {
            set_config('statsruntimedays', '31');
        }
    }
    /// For MDL-17501. Ensure that any role that has moodle/course:update also
    /// has moodle/course:visibility.
    if ($result && $oldversion < 2007101532.1) {
        if (!empty($CFG->rolesactive)) {
            // In case we are upgrading from Moodle 1.6.
            /// Get the roles with 'moodle/course:update'.
            $systemcontext = get_context_instance(CONTEXT_SYSTEM);
            $roles = get_roles_with_capability('moodle/course:update', CAP_ALLOW, $systemcontext);
            /// Give those roles 'moodle/course:visibility'.
            foreach ($roles as $role) {
                assign_capability('moodle/course:visibility', CAP_ALLOW, $role->id, $systemcontext->id);
            }
            /// Force all sessions to refresh access data.
            mark_context_dirty($systemcontext->path);
        }
        /// Main savepoint reached
        upgrade_main_savepoint($result, 2007101532.1);
    }
    if ($result && $oldversion < 2007101542) {
        if (empty($CFG->hiddenuserfields)) {
            set_config('hiddenuserfields', 'firstaccess');
        } else {
            if (strpos($CFG->hiddenuserfields, 'firstaccess') === false) {
                //firstaccess should not already be listed but just in case
                set_config('hiddenuserfields', $CFG->hiddenuserfields . ',firstaccess');
            }
        }
        /// Main savepoint reached
        upgrade_main_savepoint($result, 2007101542);
    }
    if ($result && $oldversion < 2007101545.01) {
        require_once "{$CFG->dirroot}/filter/tex/lib.php";
        filter_tex_updatedcallback(null);
        /// Main savepoint reached
        upgrade_main_savepoint($result, 2007101545.01);
    }
    if ($result && $oldversion < 2007101546.02) {
        if (empty($CFG->gradebook_latest195_upgrade)) {
            require_once $CFG->libdir . '/gradelib.php';
            // we need constants only
            // reset current coef for simple mean items - it may contain some rubbish ;-)
            $sql = "UPDATE {$CFG->prefix}grade_items\n                       SET aggregationcoef = 0\n                     WHERE categoryid IN (SELECT gc.id\n                                            FROM {$CFG->prefix}grade_categories gc\n                                           WHERE gc.aggregation = " . GRADE_AGGREGATE_WEIGHTED_MEAN2 . ")";
            $result = execute_sql($sql);
        } else {
            // direct upgrade from 1.8.x - no need to reset coef, because it is already ok
            unset_config('gradebook_latest195_upgrade');
        }
        upgrade_main_savepoint($result, 2007101546.02);
    }
    if ($result && $oldversion < 2007101546.03) {
        /// Deleting orphaned messages from deleted users.
        require_once $CFG->dirroot . '/message/lib.php';
        /// Detect deleted users with messages sent(useridfrom) and not read
        if ($deletedusers = get_records_sql("SELECT DISTINCT u.id\n                                           FROM {$CFG->prefix}user u\n                                           JOIN {$CFG->prefix}message m ON m.useridfrom = u.id\n                                          WHERE u.deleted = 1")) {
            foreach ($deletedusers as $deleteduser) {
                message_move_userfrom_unread2read($deleteduser->id);
                // move messages
            }
        }
        /// Main savepoint reached
        upgrade_main_savepoint($result, 2007101546.03);
    }
    if ($result && $oldversion < 2007101546.05) {
        // force full regrading - the max grade for sum aggregation was not correct when scales involved,
        //                        extra credit grade is not dropped anymore in aggregations if drop low or keep high specified
        //                        sum aggragetion respects drop low and keep high when calculation max value
        set_field('grade_items', 'needsupdate', 1, 'needsupdate', 0);
    }
    if ($result && $oldversion < 2007101546.06) {
        unset_config('grade_report_showgroups');
        upgrade_main_savepoint($result, 2007101546.06);
    }
    if ($result && $oldversion < 2007101547) {
        // Let's check the status of mandatory mnet_host records, fixing them
        // and moving "orphan" users to default localhost record. MDL-16879
        notify('Fixing mnet records, this may take a while...', 'notifysuccess');
        $db->debug = false;
        // Can output too much. Disabling
        upgrade_fix_incorrect_mnethostids();
        $db->debug = true;
        // Restoring debug level
        upgrade_main_savepoint($result, 2007101547);
    }
    if ($result && $oldversion < 2007101551) {
        //insert new record for log_display table
        //used to record tag update.
        if (!record_exists("log_display", "action", "update", "module", "tag")) {
            $log_action = new stdClass();
            $log_action->module = 'tag';
            $log_action->action = 'update';
            $log_action->mtable = 'tag';
            $log_action->field = 'name';
            $result = $result && insert_record('log_display', $log_action);
        }
        upgrade_main_savepoint($result, 2007101551);
    }
    if ($result && $oldversion < 2007101561.01) {
        // As part of security changes password policy will now be enabled by default.
        // If it has not already been enabled then we will enable it... Admins will still
        // be able to switch it off after this upgrade
        if (record_exists('config', 'name', 'passwordpolicy', 'value', 0)) {
            unset_config('passwordpolicy');
        }
        $message = get_string('upgrade197notice', 'admin');
        if (empty($CFG->passwordmainsalt)) {
            $docspath = $CFG->docroot . '/' . str_replace('_utf8', '', current_language()) . '/report/security/report_security_check_passwordsaltmain';
            $message .= "\n" . get_string('upgrade197salt', 'admin', $docspath);
        }
        notify($message, 'notifysuccess');
        unset($message);
        upgrade_main_savepoint($result, 2007101561.01);
    }
    if ($result && $oldversion < 2007101561.02) {
        $messagesubject = s($SITE->shortname) . ': ' . get_string('upgrade197noticesubject', 'admin');
        $message = '<p>' . s($SITE->fullname) . ' (' . s($CFG->wwwroot) . '):</p>' . get_string('upgrade197notice', 'admin');
        if (empty($CFG->passwordmainsalt)) {
            $docspath = $CFG->docroot . '/' . str_replace('_utf8', '', current_language()) . '/report/security/report_security_check_passwordsaltmain';
            $message .= "\n" . get_string('upgrade197salt', 'admin', $docspath);
        }
        // Force administrators to change password on next login
        $systemcontext = get_context_instance(CONTEXT_SYSTEM);
        $sql = "SELECT DISTINCT u.id, u.firstname, u.lastname, u.picture, u.imagealt, u.email, u.password, u.mailformat\n              FROM {$CFG->prefix}role_capabilities rc\n              JOIN {$CFG->prefix}role_assignments ra ON (ra.contextid = rc.contextid AND ra.roleid = rc.roleid)\n              JOIN {$CFG->prefix}user u ON u.id = ra.userid\n             WHERE rc.capability = 'moodle/site:doanything'\n                   AND rc.permission = " . CAP_ALLOW . "\n                   AND u.deleted = 0\n                   AND rc.contextid = " . $systemcontext->id . " AND (u.auth='manual' OR u.auth='email')";
        $adminusers = get_records_sql($sql);
        foreach ($adminusers as $adminuser) {
            if ($preference = get_record('user_preferences', 'userid', $adminuser->id, 'name', 'auth_forcepasswordchange')) {
                if ($preference->value == '1') {
                    continue;
                }
                set_field('user_preferences', 'value', '1', 'id', $preference->id);
            } else {
                $preference = new stdClass();
                $preference->userid = $adminuser->id;
                $preference->name = 'auth_forcepasswordchange';
                $preference->value = '1';
                insert_record('user_preferences', $preference);
            }
            $adminuser->maildisplay = 0;
            // do not use return email to self, it might actually help emails to get through and prevents notices
            // Message them with the notice about upgrading
            email_to_user($adminuser, $adminuser, $messagesubject, html_to_text($message), $message);
        }
        unset($adminusers);
        unset($preference);
        unset($message);
        unset($messagesubject);
        upgrade_main_savepoint($result, 2007101561.02);
    }
    if ($result && $oldversion < 2007101563.02) {
        // this block tries to undo incorrect forcing of new passwords for admins that have no
        // way to change passwords MDL-20933
        $systemcontext = get_context_instance(CONTEXT_SYSTEM);
        $sql = "SELECT DISTINCT u.id, u.firstname, u.lastname, u.picture, u.imagealt, u.email, u.password\n                  FROM {$CFG->prefix}role_capabilities rc\n                  JOIN {$CFG->prefix}role_assignments ra ON (ra.contextid = rc.contextid AND ra.roleid = rc.roleid)\n                  JOIN {$CFG->prefix}user u ON u.id = ra.userid\n                 WHERE rc.capability = 'moodle/site:doanything'\n                       AND rc.permission = " . CAP_ALLOW . "\n                       AND u.deleted = 0\n                       AND rc.contextid = " . $systemcontext->id . " AND u.auth<>'manual' AND u.auth<>'email'";
        if ($adminusers = get_records_sql($sql)) {
            foreach ($adminusers as $adminuser) {
                delete_records('user_preferences', 'userid', $adminuser->id, 'name', 'auth_forcepasswordchange');
            }
        }
        unset($adminusers);
        upgrade_main_savepoint($result, 2007101563.02);
    }
    if ($result && $oldversion < 2007101563.03) {
        // NOTE: this is quite hacky, but anyway it should work fine in 1.9,
        //       in 2.0 we should always use plugin upgrade code for things like this
        $authsavailable = get_list_of_plugins('auth');
        foreach ($authsavailable as $authname) {
            if (!($auth = get_auth_plugin($authname))) {
                continue;
            }
            if ($auth->prevent_local_passwords()) {
                execute_sql("UPDATE {$CFG->prefix}user SET password='******' WHERE auth='{$authname}'");
            }
        }
        upgrade_main_savepoint($result, 2007101563.03);
    }
    return $result;
}
コード例 #4
0
function xmldb_questionnaire_upgrade($oldversion = 0)
{
    global $CFG;
    $result = true;
    if ($oldversion < 2007120101) {
        $result &= questionnaire_upgrade_2007120101();
    }
    if ($oldversion < 2007120102) {
        /// Change enum values to lower case for all tables using them.
        $enumvals = array('y', 'n');
        $table = new XMLDBTable('questionnaire_question');
        $field = new XMLDBField('required');
        $field->setAttributes(XMLDB_TYPE_CHAR, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, false, null, 'n');
        $result &= change_field_enum($table, $field);
        set_field('questionnaire_question', 'required', 'y', 'required', 'Y');
        set_field('questionnaire_question', 'required', 'n', 'required', 'N');
        $field->setAttributes(XMLDB_TYPE_CHAR, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, XMLDB_ENUM, array('y', 'n'), 'n');
        $result &= change_field_enum($table, $field);
        $result &= change_field_default($table, $field);
        unset($field);
        $field = new XMLDBField('deleted');
        $field->setAttributes(XMLDB_TYPE_CHAR, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, false, null, 'n');
        $result &= change_field_enum($table, $field);
        set_field('questionnaire_question', 'deleted', 'y', 'deleted', 'Y');
        set_field('questionnaire_question', 'deleted', 'n', 'deleted', 'N');
        $field->setAttributes(XMLDB_TYPE_CHAR, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, XMLDB_ENUM, array('y', 'n'), 'n');
        $result &= change_field_enum($table, $field);
        $result &= change_field_default($table, $field);
        unset($field);
        $field = new XMLDBField('public');
        $field->setAttributes(XMLDB_TYPE_CHAR, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, false, null, 'n');
        $result &= change_field_enum($table, $field);
        set_field('questionnaire_question', 'public', 'y', 'public', 'Y');
        set_field('questionnaire_question', 'public', 'n', 'public', 'N');
        $field->setAttributes(XMLDB_TYPE_CHAR, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, XMLDB_ENUM, array('y', 'n'), 'y');
        $result &= change_field_enum($table, $field);
        $result &= change_field_default($table, $field);
        unset($field);
        unset($table);
        $table = new XMLDBTable('questionnaire_question_type');
        $field = new XMLDBField('has_choices');
        $field->setAttributes(XMLDB_TYPE_CHAR, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, false, null, 'n');
        $result &= change_field_enum($table, $field);
        set_field('questionnaire_question_type', 'has_choices', 'y', 'has_choices', 'Y');
        set_field('questionnaire_question_type', 'has_choices', 'n', 'has_choices', 'N');
        $field->setAttributes(XMLDB_TYPE_CHAR, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, XMLDB_ENUM, array('y', 'n'), 'y');
        $result &= change_field_enum($table, $field);
        $result &= change_field_default($table, $field);
        unset($field);
        unset($table);
        $table = new XMLDBTable('questionnaire_response');
        $field = new XMLDBField('complete');
        $field->setAttributes(XMLDB_TYPE_CHAR, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, false, null, 'n');
        $result &= change_field_enum($table, $field);
        set_field('questionnaire_response', 'complete', 'y', 'complete', 'Y');
        set_field('questionnaire_response', 'complete', 'n', 'complete', 'N');
        $field->setAttributes(XMLDB_TYPE_CHAR, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, XMLDB_ENUM, array('y', 'n'), 'n');
        $result &= change_field_enum($table, $field);
        $result &= change_field_default($table, $field);
        unset($field);
        unset($table);
        $table = new XMLDBTable('questionnaire_response_bool');
        $field = new XMLDBField('choice_id');
        $field->setAttributes(XMLDB_TYPE_CHAR, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, false, null, 'n');
        $result &= change_field_enum($table, $field);
        set_field('questionnaire_response_bool', 'choice_id', 'y', 'choice_id', 'Y');
        set_field('questionnaire_response_bool', 'choice_id', 'n', 'choice_id', 'N');
        $field->setAttributes(XMLDB_TYPE_CHAR, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, XMLDB_ENUM, array('y', 'n'), 'y');
        $result &= change_field_enum($table, $field);
        $result &= change_field_default($table, $field);
        unset($field);
        unset($table);
        $table = new XMLDBTable('questionnaire_survey');
        $field = new XMLDBField('public');
        $field->setAttributes(XMLDB_TYPE_CHAR, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, false, null, 'n');
        $result &= change_field_enum($table, $field);
        set_field('questionnaire_survey', 'public', 'y', 'public', 'Y');
        set_field('questionnaire_survey', 'public', 'n', 'public', 'N');
        $field->setAttributes(XMLDB_TYPE_CHAR, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, XMLDB_ENUM, array('y', 'n'), 'y');
        $result &= change_field_enum($table, $field);
        $result &= change_field_default($table, $field);
        unset($field);
        /// Upgrade question_type table with corrected 'response_table' fields.
        set_field('questionnaire_question_type', 'response_table', 'resp_single', 'response_table', 'response_single');
        set_field('questionnaire_question_type', 'response_table', 'resp_multiple', 'response_table', 'response_multiple');
    }
    if ($oldversion < 2008031902) {
        $table = new XMLDBTable('questionnaire');
        $field = new XMLDBField('grade');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', false, true, false, false, null, 0, 'navigate');
        $result = $result && add_field($table, $field);
        unset($field);
        unset($table);
        $table = new XMLDBTable('questionnaire_response');
        $field = new XMLDBField('grade');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', false, true, false, false, null, 0, 'complete');
        $result = $result && add_field($table, $field);
    }
    if ($oldversion < 2008031904) {
        $sql = "SELECT q.id, q.resp_eligible, q.resp_view, cm.id as cmid\n                FROM {$CFG->prefix}questionnaire q, {$CFG->prefix}course_modules cm, {$CFG->prefix}modules m\n                WHERE m.name='questionnaire' AND m.id=cm.module AND cm.instance=q.id";
        if ($rs = get_recordset_sql($sql)) {
            $studentroleid = get_field('role', 'id', 'shortname', 'student');
            $editteacherroleid = get_field('role', 'id', 'shortname', 'editingteacher');
            $teacherroleid = get_field('role', 'id', 'shortname', 'teacher');
            $capview = 'mod/questionnaire:view';
            $capsubmit = 'mod/questionnaire:submit';
            while ($questionnaire = rs_fetch_next_record($rs)) {
                $context = get_context_instance(CONTEXT_MODULE, $questionnaire->cmid);
                /// Convert questionnaires with resp_eligible = 'all' so that students & teachers have view and submit
                if ($questionnaire->resp_eligible == 'all') {
                    assign_capability($capsubmit, CAP_ALLOW, $editteacherroleid, $context->id, true);
                    assign_capability($capsubmit, CAP_ALLOW, $teacherroleid, $context->id, true);
                    /// Convert questionnaires with resp_eligible = 'students' so that just students have view and submit
                } else {
                    if ($questionnaire->resp_eligible == 'students') {
                        /// This is the default; no changes necessary.
                        /// Convert questionnaires with resp_eligible = 'teachers' so just teachers have view and submit
                    } else {
                        if ($questionnaire->resp_eligible == 'teachers') {
                            assign_capability($capsubmit, CAP_ALLOW, $editteacherroleid, $context->id, true);
                            assign_capability($capsubmit, CAP_ALLOW, $teacherroleid, $context->id, true);
                            assign_capability($capview, CAP_PREVENT, $studentroleid, $context->id, true);
                            assign_capability($capsubmit, CAP_PREVENT, $studentroleid, $context->id, true);
                        }
                    }
                }
            }
            rs_close($rs);
        }
    }
    if ($oldversion < 2008031905) {
        $table = new XMLDBTable('questionnaire_survey');
        $field = new XMLDBField('changed');
        $result = $result && drop_field($table, $field);
    }
    if ($oldversion < 2008031906) {
        $table = new XMLDBTable('questionnaire_response_rank');
        $field = new XMLDBField('rank');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '11', null, XMLDB_NOTNULL, null, null, null, '0', 'choice_id');
        $field->setUnsigned(false);
        $result &= change_field_unsigned($table, $field);
    }
    if ($oldversion < 2008060401) {
        $table = new XMLDBTable('questionnaire_question');
        $field = new XMLDBField('name');
        $field->setAttributes(XMLDB_TYPE_CHAR, '30', null, XMLDB_NOTNULL, null, null, null, null, 'survey_id');
        $field->setNotnull(false);
        $result &= change_field_notnull($table, $field);
    }
    return $result;
}
コード例 #5
0
function xmldb_main_upgrade($oldversion = 0)
{
    global $CFG, $THEME, $USER, $db;
    $result = true;
    if ($oldversion < 2006100401) {
        /// Only for those tracking Moodle 1.7 dev, others will have these dropped in moodle_install_roles()
        if (!empty($CFG->rolesactive)) {
            drop_table(new XMLDBTable('user_students'));
            drop_table(new XMLDBTable('user_teachers'));
            drop_table(new XMLDBTable('user_coursecreators'));
            drop_table(new XMLDBTable('user_admins'));
        }
        upgrade_main_savepoint($result, 2006100401);
    }
    if ($oldversion < 2006100601) {
        /// Disable the exercise module because it's unmaintained
        if ($module = get_record('modules', 'name', 'exercise')) {
            if ($module->visible) {
                // Hide/disable the module entry
                set_field('modules', 'visible', '0', 'id', $module->id);
                // Save existing visible state for all activities
                set_field('course_modules', 'visibleold', '1', 'visible', '1', 'module', $module->id);
                set_field('course_modules', 'visibleold', '0', 'visible', '0', 'module', $module->id);
                // Hide all activities
                set_field('course_modules', 'visible', '0', 'module', $module->id);
                require_once $CFG->dirroot . '/course/lib.php';
                rebuild_course_cache();
                // Rebuld cache for all modules because they might have changed
            }
        }
        upgrade_main_savepoint($result, 2006100601);
    }
    if ($oldversion < 2006101001) {
        /// Disable the LAMS module by default (if it is installed)
        if (count_records('modules', 'name', 'lams') && !count_records('lams')) {
            set_field('modules', 'visible', 0, 'name', 'lams');
            // Disable it by default
        }
        upgrade_main_savepoint($result, 2006101001);
    }
    if ($result && $oldversion < 2006102600) {
        /// Define fields to be added to user_info_field
        $table = new XMLDBTable('user_info_field');
        $field = new XMLDBField('description');
        $field->setAttributes(XMLDB_TYPE_TEXT, 'big', null, null, null, null, null, null, 'categoryid');
        $field1 = new XMLDBField('param1');
        $field1->setAttributes(XMLDB_TYPE_TEXT, 'big', null, null, null, null, null, null, 'defaultdata');
        $field2 = new XMLDBField('param2');
        $field2->setAttributes(XMLDB_TYPE_TEXT, 'big', null, null, null, null, null, null, 'param1');
        $field3 = new XMLDBField('param3');
        $field3->setAttributes(XMLDB_TYPE_TEXT, 'big', null, null, null, null, null, null, 'param2');
        $field4 = new XMLDBField('param4');
        $field4->setAttributes(XMLDB_TYPE_TEXT, 'big', null, null, null, null, null, null, 'param3');
        $field5 = new XMLDBField('param5');
        $field5->setAttributes(XMLDB_TYPE_TEXT, 'big', null, null, null, null, null, null, 'param4');
        /// Launch add fields
        $result = $result && add_field($table, $field);
        $result = $result && add_field($table, $field1);
        $result = $result && add_field($table, $field2);
        $result = $result && add_field($table, $field3);
        $result = $result && add_field($table, $field4);
        $result = $result && add_field($table, $field5);
        upgrade_main_savepoint($result, 2006102600);
    }
    if ($result && $oldversion < 2006112000) {
        /// Define field attachment to be added to post
        $table = new XMLDBTable('post');
        $field = new XMLDBField('attachment');
        $field->setAttributes(XMLDB_TYPE_CHAR, '100', null, null, null, null, null, null, 'format');
        /// Launch add field attachment
        $result = $result && add_field($table, $field);
        upgrade_main_savepoint($result, 2006112000);
    }
    if ($result && $oldversion < 2006112200) {
        /// Define field imagealt to be added to user
        $table = new XMLDBTable('user');
        $field = new XMLDBField('imagealt');
        $field->setAttributes(XMLDB_TYPE_CHAR, '255', null, null, null, null, null, null, 'trustbitmask');
        /// Launch add field imagealt
        $result = $result && add_field($table, $field);
        $table = new XMLDBTable('user');
        $field = new XMLDBField('screenreader');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '1', null, XMLDB_NOTNULL, null, null, null, '0', 'imagealt');
        /// Launch add field screenreader
        $result = $result && add_field($table, $field);
        upgrade_main_savepoint($result, 2006112200);
    }
    if ($oldversion < 2006120300) {
        /// Delete guest course section settings
        // following code can be executed repeatedly, such as when upgrading from 1.7.x - it is ok
        if ($guest = get_record('user', 'username', 'guest')) {
            execute_sql("DELETE FROM {$CFG->prefix}course_display where userid={$guest->id}", true);
        }
        upgrade_main_savepoint($result, 2006120300);
    }
    if ($oldversion < 2006120400) {
        /// Remove secureforms config setting
        execute_sql("DELETE FROM {$CFG->prefix}config where name='secureforms'", true);
        upgrade_main_savepoint($result, 2006120400);
    }
    if (!empty($CFG->rolesactive) && $oldversion < 2006120700) {
        // add moodle/user:viewdetails to all roles!
        // note: use of assign_capability() is discouraged in upgrade script!
        if ($roles = get_records('role')) {
            $context = get_context_instance(CONTEXT_SYSTEM);
            foreach ($roles as $roleid => $role) {
                assign_capability('moodle/user:viewdetails', CAP_ALLOW, $roleid, $context->id);
            }
        }
        upgrade_main_savepoint($result, 2006120700);
    }
    // Move the auth plugin settings into the config_plugin table
    if ($oldversion < 2007010300) {
        if ($CFG->auth == 'email') {
            set_config('registerauth', 'email');
        } else {
            set_config('registerauth', '');
        }
        $authplugins = get_list_of_plugins('auth');
        foreach ($CFG as $k => $v) {
            if (strpos($k, 'ldap_') === 0) {
                //upgrade nonstandard ldap settings
                $setting = substr($k, 5);
                if (set_config($setting, $v, "auth/ldap")) {
                    delete_records('config', 'name', $k);
                    unset($CFG->{$k});
                }
                continue;
            }
            if (strpos($k, 'auth_') !== 0) {
                continue;
            }
            $authsetting = substr($k, 5);
            foreach ($authplugins as $auth) {
                if (strpos($authsetting, $auth) !== 0) {
                    continue;
                }
                $setting = substr($authsetting, strlen($auth));
                if (set_config($setting, $v, "auth/{$auth}")) {
                    delete_records('config', 'name', $k);
                    unset($CFG->{$k});
                }
                break;
                // don't check the rest of the auth plugin names
            }
        }
        upgrade_main_savepoint($result, 2007010300);
    }
    if ($oldversion < 2007010301) {
        //
        // Core MNET tables
        //
        $table = new XMLDBTable('mnet_host');
        $table->comment = 'Information about the local and remote hosts for RPC';
        // fields
        $f = $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', false, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $f->comment = 'Unique Host ID';
        $f = $table->addFieldInfo('deleted', XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, 0);
        $f = $table->addFieldInfo('wwwroot', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, null, null, null);
        $f = $table->addFieldInfo('ip_address', XMLDB_TYPE_CHAR, '39', null, XMLDB_NOTNULL, null, null, null, null);
        $f = $table->addFieldInfo('name', XMLDB_TYPE_CHAR, '80', null, XMLDB_NOTNULL, null, null, null, null);
        $f = $table->addFieldInfo('public_key', XMLDB_TYPE_TEXT, 'medium', null, XMLDB_NOTNULL, null, null, null, null);
        $f = $table->addFieldInfo('public_key_expires', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, 0);
        $f = $table->addFieldInfo('transport', XMLDB_TYPE_INTEGER, '2', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, 0);
        $f = $table->addFieldInfo('portno', XMLDB_TYPE_INTEGER, '2', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, 0);
        $f = $table->addFieldInfo('last_connect_time', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, 0);
        $f = $table->addFieldInfo('last_log_id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, 0);
        // PK and indexes
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        // Create the table
        $result = $result && create_table($table);
        $table = new XMLDBTable('mnet_host2service');
        $table->comment = 'Information about the services for a given host';
        // fields
        $f = $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', false, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $f = $table->addFieldInfo('hostid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, NULL, null, null, 0);
        $f = $table->addFieldInfo('serviceid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, NULL, null, null, 0);
        $f = $table->addFieldInfo('publish', XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, NULL, null, null, 0);
        $f = $table->addFieldInfo('subscribe', XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, NULL, null, null, 0);
        // PK and indexes
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        $table->addIndexInfo('hostid_serviceid', XMLDB_INDEX_UNIQUE, array('hostid', 'serviceid'));
        // Create the table
        $result = $result && create_table($table);
        $table = new XMLDBTable('mnet_log');
        $table->comment = 'Store session data from users migrating to other sites';
        // fields
        $f = $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', false, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $f = $table->addFieldInfo('hostid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, NULL, null, null, 0);
        $f = $table->addFieldInfo('remoteid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, NULL, null, null, 0);
        $f = $table->addFieldInfo('time', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, NULL, null, null, 0);
        $f = $table->addFieldInfo('userid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, NULL, null, null, 0);
        $f = $table->addFieldInfo('ip', XMLDB_TYPE_CHAR, '15', null, XMLDB_NOTNULL, NULL, null, null, null);
        $f = $table->addFieldInfo('course', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, NULL, null, null, 0);
        $f = $table->addFieldInfo('coursename', XMLDB_TYPE_CHAR, '40', null, XMLDB_NOTNULL, NULL, null, null, null);
        $f = $table->addFieldInfo('module', XMLDB_TYPE_CHAR, '20', null, XMLDB_NOTNULL, NULL, null, null, null);
        $f = $table->addFieldInfo('cmid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, NULL, null, null, 0);
        $f = $table->addFieldInfo('action', XMLDB_TYPE_CHAR, '40', null, XMLDB_NOTNULL, NULL, null, null, null);
        $f = $table->addFieldInfo('url', XMLDB_TYPE_CHAR, '100', null, XMLDB_NOTNULL, NULL, null, null, null);
        $f = $table->addFieldInfo('info', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, NULL, null, null, null);
        // PK and indexes
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        $table->addIndexInfo('host_user_course', XMLDB_INDEX_NOTUNIQUE, array('hostid', 'userid', 'course'));
        // Create the table
        $result = $result && create_table($table);
        $table = new XMLDBTable('mnet_rpc');
        $table->comment = 'Functions or methods that we may publish or subscribe to';
        // fields
        $f = $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', false, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $f = $table->addFieldInfo('function_name', XMLDB_TYPE_CHAR, '40', null, XMLDB_NOTNULL, NULL, null, null, null);
        $f = $table->addFieldInfo('xmlrpc_path', XMLDB_TYPE_CHAR, '80', null, XMLDB_NOTNULL, NULL, null, null, null);
        $f = $table->addFieldInfo('parent_type', XMLDB_TYPE_CHAR, '6', null, XMLDB_NOTNULL, NULL, null, null, null);
        $f = $table->addFieldInfo('parent', XMLDB_TYPE_CHAR, '20', null, XMLDB_NOTNULL, NULL, null, null, null);
        $f = $table->addFieldInfo('enabled', XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, NULL, null, null, 0);
        $f = $table->addFieldInfo('help', XMLDB_TYPE_TEXT, 'medium', null, XMLDB_NOTNULL, NULL, null, null, null);
        $f = $table->addFieldInfo('profile', XMLDB_TYPE_TEXT, 'medium', null, XMLDB_NOTNULL, NULL, null, null, null);
        // PK and indexes
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        $table->addIndexInfo('enabled_xpath', XMLDB_INDEX_NOTUNIQUE, array('enabled', 'xmlrpc_path'));
        // Create the table
        $result = $result && create_table($table);
        $table = new XMLDBTable('mnet_service');
        $table->comment = 'A service is a group of functions';
        // fields
        $f = $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', false, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $f = $table->addFieldInfo('name', XMLDB_TYPE_CHAR, '40', null, XMLDB_NOTNULL, NULL, null, null, null);
        $f = $table->addFieldInfo('description', XMLDB_TYPE_CHAR, '40', null, XMLDB_NOTNULL, NULL, null, null, null);
        $f = $table->addFieldInfo('apiversion', XMLDB_TYPE_CHAR, '10', null, XMLDB_NOTNULL, NULL, null, null, null);
        $f = $table->addFieldInfo('offer', XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, NULL, null, null, 0);
        // PK and indexes
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        // Create the table
        $result = $result && create_table($table);
        $table = new XMLDBTable('mnet_service2rpc');
        $table->comment = 'Group functions or methods under a service';
        // fields
        $f = $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', false, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $f = $table->addFieldInfo('serviceid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, NULL, null, null, 0);
        $f = $table->addFieldInfo('rpcid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, NULL, null, null, 0);
        // PK and indexes
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        $table->addIndexInfo('unique', XMLDB_INDEX_UNIQUE, array('rpcid', 'serviceid'));
        // Create the table
        $result = $result && create_table($table);
        //
        // Prime MNET configuration entries -- will be needed later by auth/mnet
        //
        include_once $CFG->dirroot . '/mnet/lib.php';
        $env = new mnet_environment();
        $env->init();
        unset($env);
        // add mnethostid to user-
        $table = new XMLDBTable('user');
        $field = new XMLDBField('mnethostid');
        $field->setType(XMLDB_TYPE_INTEGER);
        $field->setLength(10);
        $field->setNotNull(true);
        $field->setSequence(null);
        $field->setEnum(null);
        $field->setDefault('0');
        $field->setPrevious("deleted");
        $field->setNext("username");
        $result = $result && add_field($table, $field);
        // The default mnethostid is zero... we need to update this for all
        // users of the local IdP service.
        set_field('user', 'mnethostid', $CFG->mnet_localhost_id, 'mnethostid', '0');
        $index = new XMLDBIndex('username');
        $index->setUnique(true);
        $index->setFields(array('username'));
        drop_index($table, $index);
        $index->setFields(array('mnethostid', 'username'));
        if (!add_index($table, $index)) {
            notify(get_string('duplicate_usernames', 'mnet', 'http://docs.moodle.org/en/DuplicateUsernames'));
        }
        unset($table, $field, $index);
        /**
         ** auth/mnet tables
         **/
        $table = new XMLDBTable('mnet_session');
        $table->comment = 'Store session data from users migrating to other sites';
        // fields
        $f = $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', false, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $f = $table->addFieldInfo('userid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, NULL, null, null, 0);
        $f = $table->addFieldInfo('username', XMLDB_TYPE_CHAR, '100', null, XMLDB_NOTNULL, NULL, null, null, null);
        $f = $table->addFieldInfo('token', XMLDB_TYPE_CHAR, '40', null, XMLDB_NOTNULL, NULL, null, null, null);
        $f = $table->addFieldInfo('mnethostid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, NULL, null, null, 0);
        $f = $table->addFieldInfo('useragent', XMLDB_TYPE_CHAR, '40', null, XMLDB_NOTNULL, NULL, null, null, null);
        $f = $table->addFieldInfo('confirm_timeout', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, NULL, null, null, 0);
        $f = $table->addFieldInfo('session_id', XMLDB_TYPE_CHAR, '40', null, XMLDB_NOTNULL, NULL, null, null, null);
        $f = $table->addFieldInfo('expires', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, NULL, null, null, 0);
        // PK and indexes
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        $table->addIndexInfo('token', XMLDB_INDEX_UNIQUE, array('token'));
        // Create the table
        $result = $result && create_table($table);
        $table = new XMLDBTable('mnet_sso_access_control');
        $table->comment = 'Users by host permitted (or not) to login from a remote provider';
        $f = $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', false, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $f = $table->addFieldInfo('username', XMLDB_TYPE_CHAR, '100', null, XMLDB_NOTNULL, NULL, null, null, null);
        $f = $table->addFieldInfo('mnet_host_id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, NULL, null, null, 0);
        $f = $table->addFieldInfo('access', XMLDB_TYPE_CHAR, '20', null, XMLDB_NOTNULL, NULL, null, null, 'allow');
        // PK and indexes
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        $table->addIndexInfo('mnethostid_username', XMLDB_INDEX_UNIQUE, array('mnet_host_id', 'username'));
        // Create the table
        $result = $result && create_table($table);
        if (empty($USER->mnet_host_id)) {
            $USER->mnet_host_id = $CFG->mnet_localhost_id;
            // Something for the current user to prevent warnings
        }
        /**
         ** enrol/mnet tables
         **/
        $table = new XMLDBTable('mnet_enrol_course');
        $table->comment = 'Information about courses on remote hosts';
        $f = $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', false, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $f = $table->addFieldInfo('hostid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, NULL, null, null, 0);
        $f = $table->addFieldInfo('remoteid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, NULL, null, null, 0);
        $f = $table->addFieldInfo('cat_id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, NULL, null, null, 0);
        $f = $table->addFieldInfo('cat_name', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, NULL, null, null, null);
        $f = $table->addFieldInfo('cat_description', XMLDB_TYPE_TEXT, 'medium', null, XMLDB_NOTNULL, NULL, null, null, null);
        $f = $table->addFieldInfo('sortorder', XMLDB_TYPE_INTEGER, '4', XMLDB_UNSIGNED, XMLDB_NOTNULL, NULL, null, null, 0);
        $f = $table->addFieldInfo('fullname', XMLDB_TYPE_CHAR, '254', null, XMLDB_NOTNULL, NULL, null, null, null);
        $f = $table->addFieldInfo('shortname', XMLDB_TYPE_CHAR, '15', null, XMLDB_NOTNULL, NULL, null, null, null);
        $f = $table->addFieldInfo('idnumber', XMLDB_TYPE_CHAR, '100', null, XMLDB_NOTNULL, NULL, null, null, null);
        $f = $table->addFieldInfo('summary', XMLDB_TYPE_TEXT, 'medium', null, XMLDB_NOTNULL, NULL, null, null, null);
        $f = $table->addFieldInfo('startdate', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, NULL, null, null, 0);
        $f = $table->addFieldInfo('cost', XMLDB_TYPE_CHAR, '10', null, XMLDB_NOTNULL, NULL, null, null, null);
        $f = $table->addFieldInfo('currency', XMLDB_TYPE_CHAR, '3', null, XMLDB_NOTNULL, NULL, null, null, null);
        $f = $table->addFieldInfo('defaultroleid', XMLDB_TYPE_INTEGER, '4', XMLDB_UNSIGNED, XMLDB_NOTNULL, NULL, null, null, 0);
        $f = $table->addFieldInfo('defaultrolename', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, NULL, null, null, null);
        // PK and indexes
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        $table->addIndexInfo('hostid_remoteid', XMLDB_INDEX_UNIQUE, array('hostid', 'remoteid'));
        // Create the table
        $result = $result && create_table($table);
        $table = new XMLDBTable('mnet_enrol_assignments');
        $table->comment = 'Information about enrolments on courses on remote hosts';
        $f = $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', false, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $f = $table->addFieldInfo('userid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, NULL, null, null, 0);
        $f = $table->addFieldInfo('hostid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, NULL, null, null, 0);
        $f = $table->addFieldInfo('courseid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, NULL, null, null, 0);
        $f = $table->addFieldInfo('rolename', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, NULL, null, null, null);
        $f = $table->addFieldInfo('enroltime', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, NULL, null, null, 0);
        $f = $table->addFieldInfo('enroltype', XMLDB_TYPE_CHAR, '20', null, XMLDB_NOTNULL, NULL, null, null, null);
        // PK and indexes
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        $table->addIndexInfo('hostid_courseid', XMLDB_INDEX_NOTUNIQUE, array('hostid', 'courseid'));
        $table->addIndexInfo('userid', XMLDB_INDEX_NOTUNIQUE, array('userid'));
        // Create the table
        $result = $result && create_table($table);
        upgrade_main_savepoint($result, 2007010301);
    }
    if ($result && $oldversion < 2007010404) {
        /// Define field shortname to be added to user_info_field
        $table = new XMLDBTable('user_info_field');
        $field = new XMLDBField('shortname');
        $field->setAttributes(XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, null, null, 'shortname', 'id');
        /// Launch add field shortname
        $result = $result && add_field($table, $field);
        /// Changing type of field name on table user_info_field to text
        $table = new XMLDBTable('user_info_field');
        $field = new XMLDBField('name');
        $field->setAttributes(XMLDB_TYPE_TEXT, 'big', null, XMLDB_NOTNULL, null, null, null, null, 'shortname');
        /// Launch change of type for field name
        $result = $result && change_field_type($table, $field);
        /// For existing fields use 'name' as the 'shortname' entry
        if ($fields = get_records_select('user_info_field', '', '', 'id, name')) {
            foreach ($fields as $field) {
                $field->shortname = clean_param($field->name, PARAM_ALPHANUM);
                $result && update_record('user_info_field', $field);
            }
        }
        upgrade_main_savepoint($result, 2007010404);
    }
    if ($result && $oldversion < 2007011501) {
        if (!empty($CFG->enablerecordcache) && empty($CFG->rcache) && empty($CFG->cachetype) && empty($CFG->intcachemax)) {
            set_config('cachetype', 'internal');
            set_config('rcache', true);
            set_config('intcachemax', $CFG->enablerecordcache);
            unset_config('enablerecordcache');
            unset($CFG->enablerecordcache);
        }
        upgrade_main_savepoint($result, 2007011501);
    }
    if ($result && $oldversion < 2007012100) {
        /// Some old PG servers have user->firstname & user->lastname with 30cc. They must be 100cc.
        /// Fixing that conditionally. MDL-7110
        if ($CFG->dbfamily == 'postgres') {
            /// Get Metadata from user table
            $cols = array_change_key_case($db->MetaColumns($CFG->prefix . 'user'), CASE_LOWER);
            /// Process user->firstname if needed
            if ($col = $cols['firstname']) {
                if ($col->max_length < 100) {
                    /// Changing precision of field firstname on table user to (100)
                    $table = new XMLDBTable('user');
                    $field = new XMLDBField('firstname');
                    $field->setAttributes(XMLDB_TYPE_CHAR, '100', null, XMLDB_NOTNULL, null, null, null, null, 'idnumber');
                    /// Launch change of precision for field firstname
                    $result = $result && change_field_precision($table, $field);
                }
            }
            /// Process user->lastname if needed
            if ($col = $cols['lastname']) {
                if ($col->max_length < 100) {
                    /// Changing precision of field lastname on table user to (100)
                    $table = new XMLDBTable('user');
                    $field = new XMLDBField('lastname');
                    $field->setAttributes(XMLDB_TYPE_CHAR, '100', null, XMLDB_NOTNULL, null, null, null, null, 'firstname');
                    /// Launch change of precision for field lastname
                    $result = $result && change_field_precision($table, $field);
                }
            }
        }
        upgrade_main_savepoint($result, 2007012100);
    }
    if ($result && $oldversion < 2007012101) {
        /// Changing precision of field lang on table course to (30)
        $table = new XMLDBTable('course');
        $field = new XMLDBField('lang');
        $field->setAttributes(XMLDB_TYPE_CHAR, '30', null, XMLDB_NOTNULL, null, null, null, null, 'groupmodeforce');
        /// Launch change of precision for field course->lang
        $result = $result && change_field_precision($table, $field);
        /// Changing precision of field lang on table user to (30)
        $table = new XMLDBTable('user');
        $field = new XMLDBField('lang');
        $field->setAttributes(XMLDB_TYPE_CHAR, '30', null, XMLDB_NOTNULL, null, null, null, 'en', 'country');
        /// Launch change of precision for field user->lang
        $result = $result && change_field_precision($table, $field);
        upgrade_main_savepoint($result, 2007012101);
    }
    if ($result && $oldversion < 2007012400) {
        /// Rename field access on table mnet_sso_access_control to accessctrl
        $table = new XMLDBTable('mnet_sso_access_control');
        $field = new XMLDBField('access');
        $field->setAttributes(XMLDB_TYPE_CHAR, '20', null, XMLDB_NOTNULL, null, null, null, 'allow', 'mnet_host_id');
        /// Launch rename field accessctrl
        $result = $result && rename_field($table, $field, 'accessctrl');
        upgrade_main_savepoint($result, 2007012400);
    }
    if ($result && $oldversion < 2007012500) {
        execute_sql("DELETE FROM {$CFG->prefix}user WHERE username='******'", true);
        upgrade_main_savepoint($result, 2007012500);
    }
    if ($result && $oldversion < 2007020400) {
        /// Only for MySQL and PG, declare the user->ajax field as not null. MDL-8421.
        if ($CFG->dbfamily == 'mysql' || $CFG->dbfamily == 'postgres') {
            /// Changing nullability of field ajax on table user to not null
            $table = new XMLDBTable('user');
            $field = new XMLDBField('ajax');
            $field->setAttributes(XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '1', 'htmleditor');
            /// Launch change of nullability for field ajax
            $result = $result && change_field_notnull($table, $field);
        }
        upgrade_main_savepoint($result, 2007020400);
    }
    if (!empty($CFG->rolesactive) && $result && $oldversion < 2007021401) {
        /// create default logged in user role if not present - upgrade rom 1.7.x
        if (empty($CFG->defaultuserroleid) or empty($CFG->guestroleid) or $CFG->defaultuserroleid == $CFG->guestroleid) {
            if (!get_records('role', 'shortname', 'user')) {
                $userroleid = create_role(addslashes(get_string('authenticateduser')), 'user', addslashes(get_string('authenticateduserdescription')), 'moodle/legacy:user');
                if ($userroleid) {
                    reset_role_capabilities($userroleid);
                    set_config('defaultuserroleid', $userroleid);
                }
            }
        }
        upgrade_main_savepoint($result, 2007021401);
    }
    if ($result && $oldversion < 2007021501) {
        /// delete removed setting from config
        unset_config('tabselectedtofront');
        upgrade_main_savepoint($result, 2007021501);
    }
    if ($result && $oldversion < 2007032200) {
        /// Define table role_sortorder to be created
        $table = new XMLDBTable('role_sortorder');
        /// Adding fields to table role_sortorder
        $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $table->addFieldInfo('userid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('roleid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('contextid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('sortoder', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null, null, null);
        /// Adding keys to table role_sortorder
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        $table->addKeyInfo('userid', XMLDB_KEY_FOREIGN, array('userid'), 'user', array('id'));
        $table->addKeyInfo('roleid', XMLDB_KEY_FOREIGN, array('roleid'), 'role', array('id'));
        $table->addKeyInfo('contextid', XMLDB_KEY_FOREIGN, array('contextid'), 'context', array('id'));
        /// Adding indexes to table role_sortorder
        $table->addIndexInfo('userid-roleid-contextid', XMLDB_INDEX_UNIQUE, array('userid', 'roleid', 'contextid'));
        /// Launch create table for role_sortorder
        $result = $result && create_table($table);
        upgrade_main_savepoint($result, 2007032200);
    }
    /// code to change lenghen tag field to 255, MDL-9095
    if ($result && $oldversion < 2007040400) {
        /// Define index text (not unique) to be dropped form tags
        $table = new XMLDBTable('tags');
        $index = new XMLDBIndex('text');
        $index->setAttributes(XMLDB_INDEX_NOTUNIQUE, array('text'));
        /// Launch drop index text
        $result = $result && drop_index($table, $index);
        $field = new XMLDBField('text');
        $field->setAttributes(XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, null, null, null, 'userid');
        /// Launch change of type for field text
        $result = $result && change_field_type($table, $field);
        $index = new XMLDBIndex('text');
        $index->setAttributes(XMLDB_INDEX_NOTUNIQUE, array('text'));
        /// Launch add index text
        $result = $result && add_index($table, $index);
        upgrade_main_savepoint($result, 2007040400);
    }
    if ($result && $oldversion < 2007041100) {
        /// Define field idnumber to be added to course_modules
        $table = new XMLDBTable('course_modules');
        $field = new XMLDBField('idnumber');
        $field->setAttributes(XMLDB_TYPE_CHAR, '100', null, null, null, null, null, null, 'section');
        /// Launch add field idnumber
        $result = $result && add_field($table, $field);
        upgrade_main_savepoint($result, 2007041100);
    }
    /* Changes to the custom profile menu type - store values rather than indices.
       We could do all this with one tricky SQL statement but it's a one-off so no
       harm in using PHP loops */
    if ($result && $oldversion < 2007041600) {
        /// Get the menu fields
        if ($fields = get_records('user_info_field', 'datatype', 'menu')) {
            foreach ($fields as $field) {
                /// Get user data for the menu field
                if ($data = get_records('user_info_data', 'fieldid', $field->id)) {
                    /// Get the menu options
                    $options = explode("\n", $field->param1);
                    foreach ($data as $d) {
                        $key = array_search($d->data, $options);
                        /// If the data is an integer and is not one of the options,
                        /// set the respective option value
                        if (is_int($d->data) and ($key === NULL or $key === false) and isset($options[$d->data])) {
                            $d->data = $options[$d->data];
                            $result = $result && update_record('user_info_data', $d);
                        }
                    }
                }
            }
        }
        upgrade_main_savepoint($result, 2007041600);
    }
    /// adding new gradebook tables
    if ($result && $oldversion < 2007041800) {
        /// Define table events_handlers to be created
        $table = new XMLDBTable('events_handlers');
        /// Adding fields to table events_handlers
        $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $table->addFieldInfo('eventname', XMLDB_TYPE_CHAR, '166', null, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('handlermodule', XMLDB_TYPE_CHAR, '166', null, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('handlerfile', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('handlerfunction', XMLDB_TYPE_TEXT, 'medium', null, null, null, null, null, null);
        /// Adding keys to table events_handlers
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        /// Adding indexes to table events_handlers
        $table->addIndexInfo('eventname-handlermodule', XMLDB_INDEX_UNIQUE, array('eventname', 'handlermodule'));
        /// Launch create table for events_handlers
        $result = $result && create_table($table);
        /// Define table events_queue to be created
        $table = new XMLDBTable('events_queue');
        /// Adding fields to table events_queue
        $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $table->addFieldInfo('eventdata', XMLDB_TYPE_TEXT, 'big', null, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('schedule', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('stackdump', XMLDB_TYPE_TEXT, 'medium', null, null, null, null, null, null);
        $table->addFieldInfo('userid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('timecreated', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        /// Adding keys to table events_queue
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        $table->addKeyInfo('userid', XMLDB_KEY_FOREIGN, array('userid'), 'user', array('id'));
        /// Launch create table for events_queue
        $result = $result && create_table($table);
        /// Define table events_queue_handlers to be created
        $table = new XMLDBTable('events_queue_handlers');
        /// Adding fields to table events_queue_handlers
        $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $table->addFieldInfo('queuedeventid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('handlerid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('status', XMLDB_TYPE_INTEGER, '10', null, null, null, null, null, null);
        $table->addFieldInfo('errormessage', XMLDB_TYPE_TEXT, 'medium', null, null, null, null, null, null);
        $table->addFieldInfo('timemodified', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        /// Adding keys to table events_queue_handlers
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        $table->addKeyInfo('queuedeventid', XMLDB_KEY_FOREIGN, array('queuedeventid'), 'events_queue', array('id'));
        $table->addKeyInfo('handlerid', XMLDB_KEY_FOREIGN, array('handlerid'), 'events_handlers', array('id'));
        /// Launch create table for events_queue_handlers
        $result = $result && create_table($table);
        upgrade_main_savepoint($result, 2007041800);
    }
    if ($result && $oldversion < 2007043001) {
        /// Define field schedule to be added to events_handlers
        $table = new XMLDBTable('events_handlers');
        $field = new XMLDBField('schedule');
        $field->setAttributes(XMLDB_TYPE_CHAR, '255', null, null, null, null, null, null, 'handlerfunction');
        /// Launch add field schedule
        $result = $result && add_field($table, $field);
        /// Define field status to be added to events_handlers
        $table = new XMLDBTable('events_handlers');
        $field = new XMLDBField('status');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'schedule');
        /// Launch add field status
        $result = $result && add_field($table, $field);
        upgrade_main_savepoint($result, 2007043001);
    }
    if ($result && $oldversion < 2007050201) {
        /// Define field theme to be added to course_categories
        $table = new XMLDBTable('course_categories');
        $field = new XMLDBField('theme');
        $field->setAttributes(XMLDB_TYPE_CHAR, '50', null, null, null, null, null, null, 'path');
        /// Launch add field theme
        $result = $result && add_field($table, $field);
        upgrade_main_savepoint($result, 2007050201);
    }
    if ($result && $oldversion < 2007051100) {
        /// Define field forceunique to be added to user_info_field
        $table = new XMLDBTable('user_info_field');
        $field = new XMLDBField('forceunique');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '2', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'visible');
        /// Launch add field forceunique
        $result = $result && add_field($table, $field);
        /// Define field signup to be added to user_info_field
        $table = new XMLDBTable('user_info_field');
        $field = new XMLDBField('signup');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '2', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'forceunique');
        /// Launch add field signup
        $result = $result && add_field($table, $field);
        upgrade_main_savepoint($result, 2007051100);
    }
    if (!empty($CFG->rolesactive) && $result && $oldversion < 2007051801) {
        // Get the role id of the "Auth. User" role and check if the default role id is different
        // note: use of assign_capability() is discouraged in upgrade script!
        $userrole = get_record('role', 'shortname', 'user');
        $defaultroleid = $CFG->defaultuserroleid;
        if ($defaultroleid != $userrole->id) {
            //  Add in the new moodle/my:manageblocks capibility to the default user role
            $context = get_context_instance(CONTEXT_SYSTEM, SITEID);
            assign_capability('moodle/my:manageblocks', CAP_ALLOW, $defaultroleid, $context->id);
        }
        upgrade_main_savepoint($result, 2007051801);
    }
    if ($result && $oldversion < 2007052200) {
        /// Define field schedule to be dropped from events_queue
        $table = new XMLDBTable('events_queue');
        $field = new XMLDBField('schedule');
        /// Launch drop field stackdump
        $result = $result && drop_field($table, $field);
        upgrade_main_savepoint($result, 2007052200);
    }
    if ($result && $oldversion < 2007052300) {
        require_once $CFG->dirroot . '/question/upgrade.php';
        $result = $result && question_remove_rqp_qtype();
        upgrade_main_savepoint($result, 2007052300);
    }
    if ($result && $oldversion < 2007060500) {
        /// Define field usermodified to be added to post
        $table = new XMLDBTable('post');
        $field = new XMLDBField('usermodified');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null, 'created');
        /// Launch add field usermodified
        $result = $result && add_field($table, $field);
        /// Define key usermodified (foreign) to be added to post
        $table = new XMLDBTable('post');
        $key = new XMLDBKey('usermodified');
        $key->setAttributes(XMLDB_KEY_FOREIGN, array('usermodified'), 'user', array('id'));
        /// Launch add key usermodified
        $result = $result && add_key($table, $key);
        upgrade_main_savepoint($result, 2007060500);
    }
    if ($result && $oldversion < 2007070603) {
        // Small update of guest user to be 100% sure it has the correct mnethostid (MDL-10375)
        set_field('user', 'mnethostid', $CFG->mnet_localhost_id, 'username', 'guest');
        upgrade_main_savepoint($result, 2007070603);
    }
    if ($result && $oldversion < 2007071400) {
        /**
         ** mnet application table
         **/
        $table = new XMLDBTable('mnet_application');
        $table->comment = 'Information about applications on remote hosts';
        $f = $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', false, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $f = $table->addFieldInfo('name', XMLDB_TYPE_CHAR, '50', null, XMLDB_NOTNULL, NULL, null, null, null);
        $f = $table->addFieldInfo('display_name', XMLDB_TYPE_CHAR, '50', null, XMLDB_NOTNULL, NULL, null, null, null);
        $f = $table->addFieldInfo('xmlrpc_server_url', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, NULL, null, null, null);
        $f = $table->addFieldInfo('sso_land_url', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, NULL, null, null, null);
        // PK and indexes
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        // Create the table
        $result = $result && create_table($table);
        // Insert initial applications (moodle and mahara)
        $application = new stdClass();
        $application->name = 'moodle';
        $application->display_name = 'Moodle';
        $application->xmlrpc_server_url = '/mnet/xmlrpc/server.php';
        $application->sso_land_url = '/auth/mnet/land.php';
        if ($result) {
            $newid = insert_record('mnet_application', $application, false);
        }
        $application = new stdClass();
        $application->name = 'mahara';
        $application->display_name = 'Mahara';
        $application->xmlrpc_server_url = '/api/xmlrpc/server.php';
        $application->sso_land_url = '/auth/xmlrpc/land.php';
        $result = $result && insert_record('mnet_application', $application, false);
        // New mnet_host->applicationid field
        $table = new XMLDBTable('mnet_host');
        $field = new XMLDBField('applicationid');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, $newid, 'last_log_id');
        $result = $result && add_field($table, $field);
        /// Define key applicationid (foreign) to be added to mnet_host
        $table = new XMLDBTable('mnet_host');
        $key = new XMLDBKey('applicationid');
        $key->setAttributes(XMLDB_KEY_FOREIGN, array('applicationid'), 'mnet_application', array('id'));
        /// Launch add key applicationid
        $result = $result && add_key($table, $key);
        upgrade_main_savepoint($result, 2007071400);
    }
    if ($result && $oldversion < 2007071607) {
        require_once $CFG->dirroot . '/question/upgrade.php';
        $result = $result && question_remove_rqp_qtype_config_string();
        upgrade_main_savepoint($result, 2007071607);
    }
    if ($result && $oldversion < 2007072200) {
        /// Remove all grade tables used in development phases - we need new empty tables for final gradebook upgrade
        $tables = array('grade_categories', 'grade_items', 'grade_calculations', 'grade_grades', 'grade_grades_raw', 'grade_grades_final', 'grade_grades_text', 'grade_outcomes', 'grade_outcomes_courses', 'grade_history', 'grade_import_newitem', 'grade_import_values');
        foreach ($tables as $table) {
            $table = new XMLDBTable($table);
            if (table_exists($table)) {
                drop_table($table);
            }
        }
        $tables = array('grade_categories_history', 'grade_items_history', 'grade_grades_history', 'grade_grades_text_history', 'grade_scale_history', 'grade_outcomes_history');
        foreach ($tables as $table) {
            $table = new XMLDBTable($table);
            if (table_exists($table)) {
                drop_table($table);
            }
        }
        /// Define table grade_outcomes to be created
        $table = new XMLDBTable('grade_outcomes');
        /// Adding fields to table grade_outcomes
        $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $table->addFieldInfo('courseid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('shortname', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('fullname', XMLDB_TYPE_TEXT, 'small', null, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('scaleid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('description', XMLDB_TYPE_TEXT, 'small', null, null, null, null, null, null);
        $table->addFieldInfo('timecreated', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('timemodified', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('usermodified', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        /// Adding keys to table grade_outcomes
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        $table->addKeyInfo('courseid', XMLDB_KEY_FOREIGN, array('courseid'), 'course', array('id'));
        $table->addKeyInfo('scaleid', XMLDB_KEY_FOREIGN, array('scaleid'), 'scale', array('id'));
        $table->addKeyInfo('usermodified', XMLDB_KEY_FOREIGN, array('usermodified'), 'user', array('id'));
        /// Launch create table for grade_outcomes
        $result = $result && create_table($table);
        /// Define table grade_categories to be created
        $table = new XMLDBTable('grade_categories');
        /// Adding fields to table grade_categories
        $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $table->addFieldInfo('courseid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('parent', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('depth', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('path', XMLDB_TYPE_CHAR, '255', null, null, null, null, null, null);
        $table->addFieldInfo('fullname', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('aggregation', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('keephigh', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('droplow', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('aggregateonlygraded', XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('aggregateoutcomes', XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('aggregatesubcats', XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('timecreated', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('timemodified', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        /// Adding keys to table grade_categories
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        $table->addKeyInfo('courseid', XMLDB_KEY_FOREIGN, array('courseid'), 'course', array('id'));
        $table->addKeyInfo('parent', XMLDB_KEY_FOREIGN, array('parent'), 'grade_categories', array('id'));
        /// Launch create table for grade_categories
        $result = $result && create_table($table);
        /// Define table grade_items to be created
        $table = new XMLDBTable('grade_items');
        /// Adding fields to table grade_items
        $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $table->addFieldInfo('courseid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('categoryid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('itemname', XMLDB_TYPE_CHAR, '255', null, null, null, null, null, null);
        $table->addFieldInfo('itemtype', XMLDB_TYPE_CHAR, '30', null, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('itemmodule', XMLDB_TYPE_CHAR, '30', null, null, null, null, null, null);
        $table->addFieldInfo('iteminstance', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('itemnumber', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('iteminfo', XMLDB_TYPE_TEXT, 'medium', null, null, null, null, null, null);
        $table->addFieldInfo('idnumber', XMLDB_TYPE_CHAR, '255', null, null, null, null, null, null);
        $table->addFieldInfo('calculation', XMLDB_TYPE_TEXT, 'medium', null, null, null, null, null, null);
        $table->addFieldInfo('gradetype', XMLDB_TYPE_INTEGER, '4', null, XMLDB_NOTNULL, null, null, null, '1');
        $table->addFieldInfo('grademax', XMLDB_TYPE_NUMBER, '10, 5', null, XMLDB_NOTNULL, null, null, null, '100');
        $table->addFieldInfo('grademin', XMLDB_TYPE_NUMBER, '10, 5', null, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('scaleid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('outcomeid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('gradepass', XMLDB_TYPE_NUMBER, '10, 5', null, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('multfactor', XMLDB_TYPE_NUMBER, '10, 5', null, XMLDB_NOTNULL, null, null, null, '1.0');
        $table->addFieldInfo('plusfactor', XMLDB_TYPE_NUMBER, '10, 5', null, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('aggregationcoef', XMLDB_TYPE_NUMBER, '10, 5', null, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('sortorder', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('display', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('decimals', XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('hidden', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('locked', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('locktime', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('needsupdate', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('timecreated', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('timemodified', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        /// Adding keys to table grade_items
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        $table->addKeyInfo('courseid', XMLDB_KEY_FOREIGN, array('courseid'), 'course', array('id'));
        $table->addKeyInfo('categoryid', XMLDB_KEY_FOREIGN, array('categoryid'), 'grade_categories', array('id'));
        $table->addKeyInfo('scaleid', XMLDB_KEY_FOREIGN, array('scaleid'), 'scale', array('id'));
        $table->addKeyInfo('outcomeid', XMLDB_KEY_FOREIGN, array('outcomeid'), 'grade_outcomes', array('id'));
        /// Adding indexes to table grade_grades
        $table->addIndexInfo('locked-locktime', XMLDB_INDEX_NOTUNIQUE, array('locked', 'locktime'));
        $table->addIndexInfo('itemtype-needsupdate', XMLDB_INDEX_NOTUNIQUE, array('itemtype', 'needsupdate'));
        $table->addIndexInfo('gradetype', XMLDB_INDEX_NOTUNIQUE, array('gradetype'));
        /// Launch create table for grade_items
        $result = $result && create_table($table);
        /// Define table grade_grades to be created
        $table = new XMLDBTable('grade_grades');
        /// Adding fields to table grade_grades
        $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $table->addFieldInfo('itemid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('userid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('rawgrade', XMLDB_TYPE_NUMBER, '10, 5', null, null, null, null, null, null);
        $table->addFieldInfo('rawgrademax', XMLDB_TYPE_NUMBER, '10, 5', null, XMLDB_NOTNULL, null, null, null, '100');
        $table->addFieldInfo('rawgrademin', XMLDB_TYPE_NUMBER, '10, 5', null, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('rawscaleid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('usermodified', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('finalgrade', XMLDB_TYPE_NUMBER, '10, 5', null, null, null, null, null, null);
        $table->addFieldInfo('hidden', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('locked', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('locktime', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('exported', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('overridden', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('excluded', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('feedback', XMLDB_TYPE_TEXT, 'medium', null, null, null, null, null, null);
        $table->addFieldInfo('feedbackformat', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('information', XMLDB_TYPE_TEXT, 'medium', null, null, null, null, null, null);
        $table->addFieldInfo('informationformat', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('timecreated', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('timemodified', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        /// Adding keys to table grade_grades
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        $table->addKeyInfo('itemid', XMLDB_KEY_FOREIGN, array('itemid'), 'grade_items', array('id'));
        $table->addKeyInfo('userid', XMLDB_KEY_FOREIGN, array('userid'), 'user', array('id'));
        $table->addKeyInfo('rawscaleid', XMLDB_KEY_FOREIGN, array('rawscaleid'), 'scale', array('id'));
        $table->addKeyInfo('usermodified', XMLDB_KEY_FOREIGN, array('usermodified'), 'user', array('id'));
        /// Adding indexes to table grade_grades
        $table->addIndexInfo('locked-locktime', XMLDB_INDEX_NOTUNIQUE, array('locked', 'locktime'));
        /// Launch create table for grade_grades
        $result = $result && create_table($table);
        /// Define table grade_outcomes_history to be created
        $table = new XMLDBTable('grade_outcomes_history');
        /// Adding fields to table grade_outcomes_history
        $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $table->addFieldInfo('action', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('oldid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('source', XMLDB_TYPE_CHAR, '255', null, null, null, null, null, null);
        $table->addFieldInfo('timemodified', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('loggeduser', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('courseid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('shortname', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('fullname', XMLDB_TYPE_TEXT, 'small', null, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('scaleid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('description', XMLDB_TYPE_TEXT, 'small', null, null, null, null, null, null);
        /// Adding keys to table grade_outcomes_history
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        $table->addKeyInfo('oldid', XMLDB_KEY_FOREIGN, array('oldid'), 'grade_outcomes', array('id'));
        $table->addKeyInfo('courseid', XMLDB_KEY_FOREIGN, array('courseid'), 'course', array('id'));
        $table->addKeyInfo('scaleid', XMLDB_KEY_FOREIGN, array('scaleid'), 'scale', array('id'));
        $table->addKeyInfo('loggeduser', XMLDB_KEY_FOREIGN, array('loggeduser'), 'user', array('id'));
        /// Adding indexes to table grade_outcomes_history
        $table->addIndexInfo('action', XMLDB_INDEX_NOTUNIQUE, array('action'));
        /// Launch create table for grade_outcomes_history
        $result = $result && create_table($table);
        /// Define table grade_categories_history to be created
        $table = new XMLDBTable('grade_categories_history');
        /// Adding fields to table grade_categories_history
        $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $table->addFieldInfo('action', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('oldid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('source', XMLDB_TYPE_CHAR, '255', null, null, null, null, null, null);
        $table->addFieldInfo('timemodified', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('loggeduser', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('courseid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('parent', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('depth', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('path', XMLDB_TYPE_CHAR, '255', null, null, null, null, null, null);
        $table->addFieldInfo('fullname', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('aggregation', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('keephigh', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('droplow', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('aggregateonlygraded', XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('aggregateoutcomes', XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('aggregatesubcats', XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        /// Adding keys to table grade_categories_history
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        $table->addKeyInfo('oldid', XMLDB_KEY_FOREIGN, array('oldid'), 'grade_categories', array('id'));
        $table->addKeyInfo('courseid', XMLDB_KEY_FOREIGN, array('courseid'), 'course', array('id'));
        $table->addKeyInfo('parent', XMLDB_KEY_FOREIGN, array('parent'), 'grade_categories', array('id'));
        $table->addKeyInfo('loggeduser', XMLDB_KEY_FOREIGN, array('loggeduser'), 'user', array('id'));
        /// Adding indexes to table grade_categories_history
        $table->addIndexInfo('action', XMLDB_INDEX_NOTUNIQUE, array('action'));
        /// Launch create table for grade_categories_history
        $result = $result && create_table($table);
        /// Define table grade_items_history to be created
        $table = new XMLDBTable('grade_items_history');
        /// Adding fields to table grade_items_history
        $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $table->addFieldInfo('action', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('oldid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('source', XMLDB_TYPE_CHAR, '255', null, null, null, null, null, null);
        $table->addFieldInfo('timemodified', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('loggeduser', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('courseid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('categoryid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('itemname', XMLDB_TYPE_CHAR, '255', null, null, null, null, null, null);
        $table->addFieldInfo('itemtype', XMLDB_TYPE_CHAR, '30', null, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('itemmodule', XMLDB_TYPE_CHAR, '30', null, null, null, null, null, null);
        $table->addFieldInfo('iteminstance', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('itemnumber', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('iteminfo', XMLDB_TYPE_TEXT, 'medium', null, null, null, null, null, null);
        $table->addFieldInfo('idnumber', XMLDB_TYPE_CHAR, '255', null, null, null, null, null, null);
        $table->addFieldInfo('calculation', XMLDB_TYPE_TEXT, 'medium', null, null, null, null, null, null);
        $table->addFieldInfo('gradetype', XMLDB_TYPE_INTEGER, '4', null, XMLDB_NOTNULL, null, null, null, '1');
        $table->addFieldInfo('grademax', XMLDB_TYPE_NUMBER, '10, 5', null, XMLDB_NOTNULL, null, null, null, '100');
        $table->addFieldInfo('grademin', XMLDB_TYPE_NUMBER, '10, 5', null, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('scaleid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('outcomeid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('gradepass', XMLDB_TYPE_NUMBER, '10, 5', null, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('multfactor', XMLDB_TYPE_NUMBER, '10, 5', null, XMLDB_NOTNULL, null, null, null, '1.0');
        $table->addFieldInfo('plusfactor', XMLDB_TYPE_NUMBER, '10, 5', null, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('aggregationcoef', XMLDB_TYPE_NUMBER, '10, 5', null, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('sortorder', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('display', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('decimals', XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('hidden', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('locked', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('locktime', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('needsupdate', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null, null, '0');
        /// Adding keys to table grade_items_history
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        $table->addKeyInfo('oldid', XMLDB_KEY_FOREIGN, array('oldid'), 'grade_items', array('id'));
        $table->addKeyInfo('courseid', XMLDB_KEY_FOREIGN, array('courseid'), 'course', array('id'));
        $table->addKeyInfo('categoryid', XMLDB_KEY_FOREIGN, array('categoryid'), 'grade_categories', array('id'));
        $table->addKeyInfo('scaleid', XMLDB_KEY_FOREIGN, array('scaleid'), 'scale', array('id'));
        $table->addKeyInfo('outcomeid', XMLDB_KEY_FOREIGN, array('outcomeid'), 'grade_outcomes', array('id'));
        $table->addKeyInfo('loggeduser', XMLDB_KEY_FOREIGN, array('loggeduser'), 'user', array('id'));
        /// Adding indexes to table grade_items_history
        $table->addIndexInfo('action', XMLDB_INDEX_NOTUNIQUE, array('action'));
        /// Launch create table for grade_items_history
        $result = $result && create_table($table);
        /// Define table grade_grades_history to be created
        $table = new XMLDBTable('grade_grades_history');
        /// Adding fields to table grade_grades_history
        $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $table->addFieldInfo('action', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('oldid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('source', XMLDB_TYPE_CHAR, '255', null, null, null, null, null, null);
        $table->addFieldInfo('timemodified', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('loggeduser', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('itemid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('userid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('rawgrade', XMLDB_TYPE_NUMBER, '10, 5', null, null, null, null, null, null);
        $table->addFieldInfo('rawgrademax', XMLDB_TYPE_NUMBER, '10, 5', null, XMLDB_NOTNULL, null, null, null, '100');
        $table->addFieldInfo('rawgrademin', XMLDB_TYPE_NUMBER, '10, 5', null, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('rawscaleid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('usermodified', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('finalgrade', XMLDB_TYPE_NUMBER, '10, 5', null, null, null, null, null, null);
        $table->addFieldInfo('hidden', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('locked', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('locktime', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('exported', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('overridden', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('excluded', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('feedback', XMLDB_TYPE_TEXT, 'medium', null, null, null, null, null, null);
        $table->addFieldInfo('feedbackformat', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('information', XMLDB_TYPE_TEXT, 'medium', null, null, null, null, null, null);
        $table->addFieldInfo('informationformat', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        /// Adding keys to table grade_grades_history
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        $table->addKeyInfo('oldid', XMLDB_KEY_FOREIGN, array('oldid'), 'grade_grades', array('id'));
        $table->addKeyInfo('itemid', XMLDB_KEY_FOREIGN, array('itemid'), 'grade_items', array('id'));
        $table->addKeyInfo('userid', XMLDB_KEY_FOREIGN, array('userid'), 'user', array('id'));
        $table->addKeyInfo('rawscaleid', XMLDB_KEY_FOREIGN, array('rawscaleid'), 'scale', array('id'));
        $table->addKeyInfo('usermodified', XMLDB_KEY_FOREIGN, array('usermodified'), 'user', array('id'));
        $table->addKeyInfo('loggeduser', XMLDB_KEY_FOREIGN, array('loggeduser'), 'user', array('id'));
        /// Adding indexes to table grade_grades_history
        $table->addIndexInfo('action', XMLDB_INDEX_NOTUNIQUE, array('action'));
        /// Launch create table for grade_grades_history
        $result = $result && create_table($table);
        /// upgrade the old 1.8 gradebook - migrade data into new grade tables
        if ($result) {
            require_once $CFG->libdir . '/db/upgradelib.php';
            if ($rs = get_recordset('course')) {
                while ($course = rs_fetch_next_record($rs)) {
                    // this function uses SQL only, it must not be changed after 1.9 goes stable!!
                    if (!upgrade_18_gradebook($course->id)) {
                        $result = false;
                        break;
                    }
                }
                rs_close($rs);
            }
        }
        upgrade_main_savepoint($result, 2007072200);
    }
    if ($result && $oldversion < 2007072400) {
        /// Dropping one DEFAULT in a TEXT column. It's was only one remaining
        /// since Moodle 1.7, so new servers won't have those anymore.
        /// Changing the default of field sessdata on table sessions2 to drop it
        $table = new XMLDBTable('sessions2');
        $field = new XMLDBField('sessdata');
        $field->setAttributes(XMLDB_TYPE_TEXT, 'big', null, null, null, null, null, null, 'modified');
        /// Launch change of default for field sessdata
        $result = $result && change_field_default($table, $field);
        upgrade_main_savepoint($result, 2007072400);
    }
    if ($result && $oldversion < 2007073100) {
        /// Define table grade_outcomes_courses to be created
        $table = new XMLDBTable('grade_outcomes_courses');
        /// Adding fields to table grade_outcomes_courses
        $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $table->addFieldInfo('courseid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('outcomeid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        /// Adding keys to table grade_outcomes_courses
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        $table->addKeyInfo('courseid', XMLDB_KEY_FOREIGN, array('courseid'), 'course', array('id'));
        $table->addKeyInfo('outcomeid', XMLDB_KEY_FOREIGN, array('outcomeid'), 'grade_outcomes', array('id'));
        $table->addKeyInfo('courseid-outcomeid', XMLDB_KEY_UNIQUE, array('courseid', 'outcomeid'));
        /// Launch create table for grade_outcomes_courses
        $result = $result && create_table($table);
        upgrade_main_savepoint($result, 2007073100);
    }
    if ($result && $oldversion < 2007073101) {
        // Add new tag tables
        /// Define table tag to be created
        $table = new XMLDBTable('tag');
        /// Adding fields to table tag
        $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '11', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $table->addFieldInfo('userid', XMLDB_TYPE_INTEGER, '11', null, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('name', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('tagtype', XMLDB_TYPE_CHAR, '255', null, null, null, null, null, null);
        $table->addFieldInfo('description', XMLDB_TYPE_TEXT, 'small', null, null, null, null, null, null);
        $table->addFieldInfo('descriptionformat', XMLDB_TYPE_INTEGER, '2', null, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('flag', XMLDB_TYPE_INTEGER, '4', XMLDB_UNSIGNED, null, null, null, null, '0');
        $table->addFieldInfo('timemodified', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        /// Adding keys to table tag
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        /// Adding indexes to table tag
        $table->addIndexInfo('name', XMLDB_INDEX_UNIQUE, array('name'));
        /// Launch create table for tag
        $result = $result && create_table($table);
        /// Define table tag_correlation to be created
        $table = new XMLDBTable('tag_correlation');
        /// Adding fields to table tag_correlation
        $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '11', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $table->addFieldInfo('tagid', XMLDB_TYPE_INTEGER, '11', null, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('correlatedtags', XMLDB_TYPE_TEXT, 'small', null, XMLDB_NOTNULL, null, null, null, null);
        /// Adding keys to table tag_correlation
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        /// Adding indexes to table tag_correlation
        $table->addIndexInfo('tagid', XMLDB_INDEX_UNIQUE, array('tagid'));
        /// Launch create table for tag_correlation
        $result = $result && create_table($table);
        /// Define table tag_instance to be created
        $table = new XMLDBTable('tag_instance');
        /// Adding fields to table tag_instance
        $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '11', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $table->addFieldInfo('tagid', XMLDB_TYPE_INTEGER, '11', null, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('itemtype', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('itemid', XMLDB_TYPE_INTEGER, '11', null, XMLDB_NOTNULL, null, null, null, null);
        /// Adding keys to table tag_instance
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        /// Adding indexes to table tag_instance
        $table->addIndexInfo('tagiditem', XMLDB_INDEX_NOTUNIQUE, array('tagid', 'itemtype', 'itemid'));
        /// Launch create table for tag_instance
        $result = $result && create_table($table);
        upgrade_main_savepoint($result, 2007073101);
    }
    if ($result && $oldversion < 2007073103) {
        /// Define field rawname to be added to tag
        $table = new XMLDBTable('tag');
        $field = new XMLDBField('rawname');
        $field->setAttributes(XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, null, null, null, 'name');
        /// Launch add field rawname
        $result = $result && add_field($table, $field);
        upgrade_main_savepoint($result, 2007073103);
    }
    if ($result && $oldversion < 2007073105) {
        /// Define field description to be added to grade_outcomes
        $table = new XMLDBTable('grade_outcomes');
        $field = new XMLDBField('description');
        if (!field_exists($table, $field)) {
            $field->setAttributes(XMLDB_TYPE_TEXT, 'small', null, null, null, null, null, null, 'scaleid');
            /// Launch add field description
            $result = $result && add_field($table, $field);
        }
        $table = new XMLDBTable('grade_outcomes_history');
        $field = new XMLDBField('description');
        if (!field_exists($table, $field)) {
            $field->setAttributes(XMLDB_TYPE_TEXT, 'small', null, null, null, null, null, null, 'scaleid');
            /// Launch add field description
            $result = $result && add_field($table, $field);
        }
        upgrade_main_savepoint($result, 2007073105);
    }
    // adding unique contraint on (courseid,shortname) of an outcome
    if ($result && $oldversion < 2007080100) {
        /// Define key courseid-shortname (unique) to be added to grade_outcomes
        $table = new XMLDBTable('grade_outcomes');
        $key = new XMLDBKey('courseid-shortname');
        $key->setAttributes(XMLDB_KEY_UNIQUE, array('courseid', 'shortname'));
        /// Launch add key courseid-shortname
        $result = $result && add_key($table, $key);
        upgrade_main_savepoint($result, 2007080100);
    }
    /// originally there was supportname and supportemail upgrade code - this is handled in upgradesettings.php instead
    if ($result && $oldversion < 2007080202) {
        /// Define index tagiditem (not unique) to be dropped form tag_instance
        $table = new XMLDBTable('tag_instance');
        $index = new XMLDBIndex('tagiditem');
        $index->setAttributes(XMLDB_INDEX_NOTUNIQUE, array('tagid', 'itemtype', 'itemid'));
        /// Launch drop index tagiditem
        drop_index($table, $index);
        /// Define index tagiditem (unique) to be added to tag_instance
        $table = new XMLDBTable('tag_instance');
        $index = new XMLDBIndex('tagiditem');
        $index->setAttributes(XMLDB_INDEX_UNIQUE, array('tagid', 'itemtype', 'itemid'));
        /// Launch add index tagiditem
        $result = $result && add_index($table, $index);
        upgrade_main_savepoint($result, 2007080202);
    }
    if ($result && $oldversion < 2007080300) {
        /// Define field aggregateoutcomes to be added to grade_categories
        $table = new XMLDBTable('grade_categories');
        $field = new XMLDBField('aggregateoutcomes');
        if (!field_exists($table, $field)) {
            $field->setAttributes(XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'droplow');
            /// Launch add field aggregateoutcomes
            $result = $result && add_field($table, $field);
        }
        /// Define field aggregateoutcomes to be added to grade_categories
        $table = new XMLDBTable('grade_categories_history');
        $field = new XMLDBField('aggregateoutcomes');
        if (!field_exists($table, $field)) {
            $field->setAttributes(XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'droplow');
            /// Launch add field aggregateoutcomes
            $result = $result && add_field($table, $field);
        }
        upgrade_main_savepoint($result, 2007080300);
    }
    if ($result && $oldversion < 2007080800) {
        /// Normalize course->shortname MDL-10026
        /// Changing precision of field shortname on table course to (100)
        $table = new XMLDBTable('course');
        $field = new XMLDBField('shortname');
        $field->setAttributes(XMLDB_TYPE_CHAR, '100', null, XMLDB_NOTNULL, null, null, null, null, 'fullname');
        /// Launch change of precision for field shortname
        $result = $result && change_field_precision($table, $field);
        upgrade_main_savepoint($result, 2007080800);
    }
    if ($result && $oldversion < 2007080900) {
        /// Add context.path & index
        $table = new XMLDBTable('context');
        $field = new XMLDBField('path');
        $field->setAttributes(XMLDB_TYPE_CHAR, '255', null, null, null, null, null, null, 'instanceid');
        $result = $result && add_field($table, $field);
        $table = new XMLDBTable('context');
        $index = new XMLDBIndex('path');
        $index->setAttributes(XMLDB_INDEX_NOTUNIQUE, array('path'));
        $result = $result && add_index($table, $index);
        /// Add context.depth
        $table = new XMLDBTable('context');
        $field = new XMLDBField('depth');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '2', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'path');
        $result = $result && add_field($table, $field);
        /// make sure the system context has proper data
        get_system_context(false);
        upgrade_main_savepoint($result, 2007080900);
    }
    if ($result && $oldversion < 2007080903) {
        /// Define index
        $table = new XMLDBTable('grade_grades');
        $index = new XMLDBIndex('locked-locktime');
        $index->setAttributes(XMLDB_INDEX_NOTUNIQUE, array('locked', 'locktime'));
        if (!index_exists($table, $index)) {
            /// Launch add index
            $result = $result && add_index($table, $index);
        }
        /// Define index
        $table = new XMLDBTable('grade_items');
        $index = new XMLDBIndex('locked-locktime');
        $index->setAttributes(XMLDB_INDEX_NOTUNIQUE, array('locked', 'locktime'));
        if (!index_exists($table, $index)) {
            /// Launch add index
            $result = $result && add_index($table, $index);
        }
        /// Define index itemtype-needsupdate (not unique) to be added to grade_items
        $table = new XMLDBTable('grade_items');
        $index = new XMLDBIndex('itemtype-needsupdate');
        $index->setAttributes(XMLDB_INDEX_NOTUNIQUE, array('itemtype', 'needsupdate'));
        if (!index_exists($table, $index)) {
            /// Launch add index itemtype-needsupdate
            $result = $result && add_index($table, $index);
        }
        /// Define index
        $table = new XMLDBTable('grade_items');
        $index = new XMLDBIndex('gradetype');
        $index->setAttributes(XMLDB_INDEX_NOTUNIQUE, array('gradetype'));
        if (!index_exists($table, $index)) {
            /// Launch add index
            $result = $result && add_index($table, $index);
        }
        upgrade_main_savepoint($result, 2007080903);
    }
    if ($result && $oldversion < 2007081000) {
        require_once $CFG->dirroot . '/question/upgrade.php';
        $result = $result && question_upgrade_context_etc();
        upgrade_main_savepoint($result, 2007081000);
    }
    if ($result && $oldversion < 2007081302) {
        require_once $CFG->libdir . '/db/upgradelib.php';
        if (table_exists(new XMLDBTable('groups_groupings'))) {
            /// IF 'groups_groupings' table exists, this is for 1.8.* only.
            $result = $result && upgrade_18_groups();
        } else {
            /// ELSE, 1.7.*/1.6.*/1.5.* - create 'groupings' and 'groupings_groups' + rename password to enrolmentkey
            $result = $result && upgrade_17_groups();
        }
        /// For both 1.8.* and 1.7.*/1.6.*..
        // delete not used fields
        $table = new XMLDBTable('groups');
        $field = new XMLDBField('theme');
        if (field_exists($table, $field)) {
            drop_field($table, $field);
        }
        $table = new XMLDBTable('groups');
        $field = new XMLDBField('lang');
        if (field_exists($table, $field)) {
            drop_field($table, $field);
        }
        /// Add groupingid field/f.key to 'course' table.
        $table = new XMLDBTable('course');
        $field = new XMLDBField('defaultgroupingid');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', $prev = 'groupmodeforce');
        $result = $result && add_field($table, $field);
        /// Add grouping ID, grouponly field/f.key to 'course_modules' table.
        $table = new XMLDBTable('course_modules');
        $field = new XMLDBField('groupingid');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', $prev = 'groupmode');
        $result = $result && add_field($table, $field);
        $table = new XMLDBTable('course_modules');
        $field = new XMLDBField('groupmembersonly');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '4', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', $prev = 'groupingid');
        $result = $result && add_field($table, $field);
        $table = new XMLDBTable('course_modules');
        $key = new XMLDBKey('groupingid');
        $key->setAttributes(XMLDB_KEY_FOREIGN, array('groupingid'), 'groupings', array('id'));
        $result = $result && add_key($table, $key);
        upgrade_main_savepoint($result, 2007081302);
    }
    if ($result && $oldversion < 2007082300) {
        /// Define field ordering to be added to tag_instance table
        $table = new XMLDBTable('tag_instance');
        $field = new XMLDBField('ordering');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'itemid');
        /// Launch add field rawname
        $result = $result && add_field($table, $field);
        upgrade_main_savepoint($result, 2007082300);
    }
    if ($result && $oldversion < 2007082700) {
        /// Define field timemodified to be added to tag_instance
        $table = new XMLDBTable('tag_instance');
        $field = new XMLDBField('timemodified');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'ordering');
        /// Launch add field timemodified
        $result = $result && add_field($table, $field);
        upgrade_main_savepoint($result, 2007082700);
    }
    /// migrate all tags table to tag - this code MUST use SQL only,
    /// because if the db structure changes the library functions will fail in future
    if ($result && $oldversion < 2007082701) {
        $tagrefs = array();
        // $tagrefs[$oldtagid] = $newtagid
        if ($rs = get_recordset('tags')) {
            $db->debug = false;
            while ($oldtag = rs_fetch_next_record($rs)) {
                $raw_normalized = clean_param($oldtag->text, PARAM_TAG);
                $normalized = moodle_strtolower($raw_normalized);
                // if this tag does not exist in tag table yet
                if (!($newtag = get_record('tag', 'name', $normalized, '', '', '', '', 'id'))) {
                    $itag = new object();
                    $itag->name = $normalized;
                    $itag->rawname = $raw_normalized;
                    $itag->userid = $oldtag->userid;
                    $itag->timemodified = time();
                    $itag->descriptionformat = 0;
                    // default format
                    if ($oldtag->type == 'official') {
                        $itag->tagtype = 'official';
                    } else {
                        $itag->tagtype = 'default';
                    }
                    if ($idx = insert_record('tag', $itag)) {
                        $tagrefs[$oldtag->id] = $idx;
                    }
                    // if this tag is already used by tag table
                } else {
                    $tagrefs[$oldtag->id] = $newtag->id;
                }
            }
            $db->debug = true;
            rs_close($rs);
        }
        // fetch all the tag instances and migrate them as well
        if ($rs = get_recordset('blog_tag_instance')) {
            $db->debug = false;
            while ($blogtag = rs_fetch_next_record($rs)) {
                if (array_key_exists($blogtag->tagid, $tagrefs)) {
                    $tag_instance = new object();
                    $tag_instance->tagid = $tagrefs[$blogtag->tagid];
                    $tag_instance->itemtype = 'blog';
                    $tag_instance->itemid = $blogtag->entryid;
                    $tag_instance->ordering = 1;
                    // does not matter much, because originally there was no ordering in blogs
                    $tag_instance->timemodified = time();
                    insert_record('tag_instance', $tag_instance);
                }
            }
            $db->debug = true;
            rs_close($rs);
        }
        unset($tagrefs);
        // release memory
        $table = new XMLDBTable('tags');
        drop_table($table);
        $table = new XMLDBTable('blog_tag_instance');
        drop_table($table);
        upgrade_main_savepoint($result, 2007082701);
    }
    /// MDL-11015, MDL-11016
    if ($result && $oldversion < 2007082800) {
        /// Changing type of field userid on table tag to int
        $table = new XMLDBTable('tag');
        $field = new XMLDBField('userid');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null, 'id');
        /// Launch change of type for field userid
        $result = $result && change_field_type($table, $field);
        /// Changing type of field descriptionformat on table tag to int
        $table = new XMLDBTable('tag');
        $field = new XMLDBField('descriptionformat');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '2', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'description');
        /// Launch change of type for field descriptionformat
        $result = $result && change_field_type($table, $field);
        /// Define key userid (foreign) to be added to tag
        $table = new XMLDBTable('tag');
        $key = new XMLDBKey('userid');
        $key->setAttributes(XMLDB_KEY_FOREIGN, array('userid'), 'user', array('id'));
        /// Launch add key userid
        $result = $result && add_key($table, $key);
        /// Define index tagiditem (unique) to be dropped form tag_instance
        $table = new XMLDBTable('tag_instance');
        $index = new XMLDBIndex('tagiditem');
        $index->setAttributes(XMLDB_INDEX_UNIQUE, array('tagid', 'itemtype', 'itemid'));
        /// Launch drop index tagiditem
        $result = $result && drop_index($table, $index);
        /// Changing type of field tagid on table tag_instance to int
        $table = new XMLDBTable('tag_instance');
        $field = new XMLDBField('tagid');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null, 'id');
        /// Launch change of type for field tagid
        $result = $result && change_field_type($table, $field);
        /// Define key tagid (foreign) to be added to tag_instance
        $table = new XMLDBTable('tag_instance');
        $key = new XMLDBKey('tagid');
        $key->setAttributes(XMLDB_KEY_FOREIGN, array('tagid'), 'tag', array('id'));
        /// Launch add key tagid
        $result = $result && add_key($table, $key);
        /// Changing sign of field itemid on table tag_instance to unsigned
        $table = new XMLDBTable('tag_instance');
        $field = new XMLDBField('itemid');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null, 'itemtype');
        /// Launch change of sign for field itemid
        $result = $result && change_field_unsigned($table, $field);
        /// Changing sign of field ordering on table tag_instance to unsigned
        $table = new XMLDBTable('tag_instance');
        $field = new XMLDBField('ordering');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null, 'itemid');
        /// Launch change of sign for field ordering
        $result = $result && change_field_unsigned($table, $field);
        /// Define index itemtype-itemid-tagid (unique) to be added to tag_instance
        $table = new XMLDBTable('tag_instance');
        $index = new XMLDBIndex('itemtype-itemid-tagid');
        $index->setAttributes(XMLDB_INDEX_UNIQUE, array('itemtype', 'itemid', 'tagid'));
        /// Launch add index itemtype-itemid-tagid
        $result = $result && add_index($table, $index);
        /// Define index tagid (unique) to be dropped form tag_correlation
        $table = new XMLDBTable('tag_correlation');
        $index = new XMLDBIndex('tagid');
        $index->setAttributes(XMLDB_INDEX_UNIQUE, array('tagid'));
        /// Launch drop index tagid
        $result = $result && drop_index($table, $index);
        /// Changing type of field tagid on table tag_correlation to int
        $table = new XMLDBTable('tag_correlation');
        $field = new XMLDBField('tagid');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null, 'id');
        /// Launch change of type for field tagid
        $result = $result && change_field_type($table, $field);
        /// Define key tagid (foreign) to be added to tag_correlation
        $table = new XMLDBTable('tag_correlation');
        $key = new XMLDBKey('tagid');
        $key->setAttributes(XMLDB_KEY_FOREIGN, array('tagid'), 'tag', array('id'));
        /// Launch add key tagid
        $result = $result && add_key($table, $key);
        upgrade_main_savepoint($result, 2007082800);
    }
    if ($result && $oldversion < 2007082801) {
        /// Define table user_private_key to be created
        $table = new XMLDBTable('user_private_key');
        /// Adding fields to table user_private_key
        $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $table->addFieldInfo('script', XMLDB_TYPE_CHAR, '128', null, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('value', XMLDB_TYPE_CHAR, '128', null, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('userid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('instance', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('iprestriction', XMLDB_TYPE_CHAR, '255', null, null, null, null, null, null);
        $table->addFieldInfo('validuntil', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('timecreated', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        /// Adding keys to table user_private_key
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        $table->addKeyInfo('userid', XMLDB_KEY_FOREIGN, array('userid'), 'user', array('id'));
        /// Adding indexes to table user_private_key
        $table->addIndexInfo('script-value', XMLDB_INDEX_NOTUNIQUE, array('script', 'value'));
        /// Launch create table for user_private_key
        $result = $result && create_table($table);
        upgrade_main_savepoint($result, 2007082801);
    }
    /// Going to modify the applicationid from int(1) to int(10). Dropping and
    /// re-creating the associated keys/indexes is mandatory to be cross-db. MDL-11042
    if ($result && $oldversion < 2007082803) {
        /// Define key applicationid (foreign) to be dropped form mnet_host
        $table = new XMLDBTable('mnet_host');
        $key = new XMLDBKey('applicationid');
        $key->setAttributes(XMLDB_KEY_FOREIGN, array('applicationid'), 'mnet_application', array('id'));
        /// Launch drop key applicationid
        $result = $result && drop_key($table, $key);
        /// Changing type of field applicationid on table mnet_host to int
        $field = new XMLDBField('applicationid');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '1', 'last_log_id');
        /// Launch change of type for field applicationid
        $result = $result && change_field_type($table, $field);
        /// Define key applicationid (foreign) to be added to mnet_host
        $key = new XMLDBKey('applicationid');
        $key->setAttributes(XMLDB_KEY_FOREIGN, array('applicationid'), 'mnet_application', array('id'));
        /// Launch add key applicationid
        $result = $result && add_key($table, $key);
        upgrade_main_savepoint($result, 2007082803);
    }
    if ($result && $oldversion < 2007090503) {
        /// Define field aggregatesubcats to be added to grade_categories
        $table = new XMLDBTable('grade_categories');
        $field = new XMLDBField('aggregatesubcats');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'aggregateoutcomes');
        if (!field_exists($table, $field)) {
            /// Launch add field aggregateonlygraded
            $result = $result && add_field($table, $field);
        }
        /// Define field aggregateonlygraded to be added to grade_categories
        $table = new XMLDBTable('grade_categories');
        $field = new XMLDBField('aggregateonlygraded');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'droplow');
        if (!field_exists($table, $field)) {
            /// Launch add field aggregateonlygraded
            $result = $result && add_field($table, $field);
        }
        /// Define field aggregatesubcats to be added to grade_categories_history
        $table = new XMLDBTable('grade_categories_history');
        $field = new XMLDBField('aggregatesubcats');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'aggregateoutcomes');
        if (!field_exists($table, $field)) {
            /// Launch add field aggregateonlygraded
            $result = $result && add_field($table, $field);
        }
        /// Define field aggregateonlygraded to be added to grade_categories_history
        $table = new XMLDBTable('grade_categories_history');
        $field = new XMLDBField('aggregateonlygraded');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'droplow');
        if (!field_exists($table, $field)) {
            /// Launch add field aggregateonlygraded
            $result = $result && add_field($table, $field);
        }
        /// upgrade path in grade_categrories table - now using slash on both ends
        $concat = sql_concat('path', "'/'");
        $sql = "UPDATE {$CFG->prefix}grade_categories SET path = {$concat} WHERE path NOT LIKE '/%/'";
        execute_sql($sql, true);
        /// convert old aggregation constants if needed
        for ($i = 0; $i <= 12; $i = $i + 2) {
            $j = $i + 1;
            $sql = "UPDATE {$CFG->prefix}grade_categories SET aggregation = {$i}, aggregateonlygraded = 1 WHERE aggregation = {$j}";
            execute_sql($sql, true);
        }
        upgrade_main_savepoint($result, 2007090503);
    }
    /// To have UNIQUE indexes over NULLable columns isn't cross-db at all
    /// so we create a non unique index and programatically enforce uniqueness
    if ($result && $oldversion < 2007090600) {
        /// Define index idnumber (unique) to be dropped form course_modules
        $table = new XMLDBTable('course_modules');
        $index = new XMLDBIndex('idnumber');
        $index->setAttributes(XMLDB_INDEX_UNIQUE, array('idnumber'));
        /// Launch drop index idnumber
        $result = $result && drop_index($table, $index);
        /// Define index idnumber-course (not unique) to be added to course_modules
        $table = new XMLDBTable('course_modules');
        $index = new XMLDBIndex('idnumber-course');
        $index->setAttributes(XMLDB_INDEX_NOTUNIQUE, array('idnumber', 'course'));
        /// Launch add index idnumber-course
        $result = $result && add_index($table, $index);
        /// Define index idnumber-courseid (not unique) to be added to grade_items
        $table = new XMLDBTable('grade_items');
        $index = new XMLDBIndex('idnumber-courseid');
        $index->setAttributes(XMLDB_INDEX_NOTUNIQUE, array('idnumber', 'courseid'));
        /// Launch add index idnumber-courseid
        $result = $result && add_index($table, $index);
        upgrade_main_savepoint($result, 2007090600);
    }
    /// Create the permanent context_temp table to be used by build_context_path()
    if ($result && $oldversion < 2007092001) {
        /// Define table context_temp to be created
        $table = new XMLDBTable('context_temp');
        /// Adding fields to table context_temp
        $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('path', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('depth', XMLDB_TYPE_INTEGER, '2', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        /// Adding keys to table context_temp
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        /// Launch create table for context_temp
        $result = $result && create_table($table);
        /// make sure category depths, parents and paths are ok, categories from 1.5 may not be properly initialized (MDL-12585)
        upgrade_fix_category_depths();
        /// Recalculate depths, paths and so on
        if (!empty($CFG->rolesactive)) {
            cleanup_contexts();
            // make sure all course, category and user contexts exist - we need it for grade letter upgrade, etc.
            create_contexts(CONTEXT_COURSE, false, true);
            create_contexts(CONTEXT_USER, false, true);
            // we need all contexts path/depths filled properly
            build_context_path(true, true);
            load_all_capabilities();
        } else {
            // upgrade from 1.6 - build all contexts
            create_contexts(null, true, true);
        }
        upgrade_main_savepoint($result, 2007092001);
    }
    /**
     * Merging of grade_grades_text back into grade_grades
     */
    if ($result && $oldversion < 2007092002) {
        /// Define field feedback to be added to grade_grades
        $table = new XMLDBTable('grade_grades');
        $field = new XMLDBField('feedback');
        $field->setAttributes(XMLDB_TYPE_TEXT, 'medium', null, null, null, null, null, null, 'excluded');
        if (!field_exists($table, $field)) {
            /// Launch add field feedback
            $result = $result && add_field($table, $field);
        }
        /// Define field feedbackformat to be added to grade_grades
        $table = new XMLDBTable('grade_grades');
        $field = new XMLDBField('feedbackformat');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'feedback');
        if (!field_exists($table, $field)) {
            /// Launch add field feedbackformat
            $result = $result && add_field($table, $field);
        }
        /// Define field information to be added to grade_grades
        $table = new XMLDBTable('grade_grades');
        $field = new XMLDBField('information');
        $field->setAttributes(XMLDB_TYPE_TEXT, 'medium', null, null, null, null, null, null, 'feedbackformat');
        if (!field_exists($table, $field)) {
            /// Launch add field information
            $result = $result && add_field($table, $field);
        }
        /// Define field informationformat to be added to grade_grades
        $table = new XMLDBTable('grade_grades');
        $field = new XMLDBField('informationformat');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'information');
        if (!field_exists($table, $field)) {
            /// Launch add field informationformat
            $result = $result && add_field($table, $field);
        }
        /// Define field feedback to be added to grade_grades_history
        $table = new XMLDBTable('grade_grades_history');
        $field = new XMLDBField('feedback');
        $field->setAttributes(XMLDB_TYPE_TEXT, 'medium', null, null, null, null, null, null, 'excluded');
        if (!field_exists($table, $field)) {
            /// Launch add field feedback
            $result = $result && add_field($table, $field);
        }
        /// Define field feedbackformat to be added to grade_grades_history
        $table = new XMLDBTable('grade_grades_history');
        $field = new XMLDBField('feedbackformat');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'feedback');
        if (!field_exists($table, $field)) {
            /// Launch add field feedbackformat
            $result = $result && add_field($table, $field);
        }
        /// Define field information to be added to grade_grades_history
        $table = new XMLDBTable('grade_grades_history');
        $field = new XMLDBField('information');
        $field->setAttributes(XMLDB_TYPE_TEXT, 'medium', null, null, null, null, null, null, 'feedbackformat');
        if (!field_exists($table, $field)) {
            /// Launch add field information
            $result = $result && add_field($table, $field);
        }
        /// Define field informationformat to be added to grade_grades_history
        $table = new XMLDBTable('grade_grades_history');
        $field = new XMLDBField('informationformat');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'information');
        if (!field_exists($table, $field)) {
            /// Launch add field informationformat
            $result = $result && add_field($table, $field);
        }
        $table = new XMLDBTable('grade_grades_text');
        if ($result and table_exists($table)) {
            //migrade existing data into grade_grades table - this is slow but works for all dbs,
            //it will be executed on development sites only
            $fields = array('feedback', 'information');
            foreach ($fields as $field) {
                $sql = "UPDATE {$CFG->prefix}grade_grades\n                           SET {$field} = (\n                                SELECT {$field}\n                                  FROM {$CFG->prefix}grade_grades_text ggt\n                                 WHERE ggt.gradeid = {$CFG->prefix}grade_grades.id)";
                $result = execute_sql($sql) && $result;
            }
            $fields = array('feedbackformat', 'informationformat');
            foreach ($fields as $field) {
                $sql = "UPDATE {$CFG->prefix}grade_grades\n                           SET {$field} = COALESCE((\n                                SELECT {$field}\n                                  FROM {$CFG->prefix}grade_grades_text ggt\n                                 WHERE ggt.gradeid = {$CFG->prefix}grade_grades.id), 0)";
                $result = execute_sql($sql) && $result;
            }
            if ($result) {
                $tables = array('grade_grades_text', 'grade_grades_text_history');
                foreach ($tables as $table) {
                    $table = new XMLDBTable($table);
                    if (table_exists($table)) {
                        drop_table($table);
                    }
                }
            }
        }
        upgrade_main_savepoint($result, 2007092002);
    }
    if ($result && $oldversion < 2007092803) {
        /// Remove obsoleted unit tests tables - they will be recreated automatically
        $tables = array('grade_categories', 'scale', 'grade_items', 'grade_calculations', 'grade_grades', 'grade_grades_raw', 'grade_grades_final', 'grade_grades_text', 'grade_outcomes', 'grade_outcomes_courses');
        foreach ($tables as $tablename) {
            $table = new XMLDBTable('unittest_' . $tablename);
            if (table_exists($table)) {
                drop_table($table);
            }
            $table = new XMLDBTable('unittest_' . $tablename . '_history');
            if (table_exists($table)) {
                drop_table($table);
            }
        }
        /// Define field display to be added to grade_items
        $table = new XMLDBTable('grade_items');
        $field = new XMLDBField('display');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null, null, '0', 'sortorder');
        /// Launch add field display
        if (!field_exists($table, $field)) {
            $result = $result && add_field($table, $field);
        } else {
            $result = $result && change_field_default($table, $field);
        }
        /// Define field display to be added to grade_items_history
        $table = new XMLDBTable('grade_items_history');
        $field = new XMLDBField('display');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null, null, '0', 'sortorder');
        /// Launch add field display
        if (!field_exists($table, $field)) {
            $result = $result && add_field($table, $field);
        }
        /// Define field decimals to be added to grade_items
        $table = new XMLDBTable('grade_items');
        $field = new XMLDBField('decimals');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, null, null, null, null, null, 'display');
        /// Launch add field decimals
        if (!field_exists($table, $field)) {
            $result = $result && add_field($table, $field);
        } else {
            $result = $result && change_field_default($table, $field);
            $result = $result && change_field_notnull($table, $field);
        }
        /// Define field decimals to be added to grade_items_history
        $table = new XMLDBTable('grade_items_history');
        $field = new XMLDBField('decimals');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, null, null, null, null, null, 'display');
        /// Launch add field decimals
        if (!field_exists($table, $field)) {
            $result = $result && add_field($table, $field);
        }
        /// fix incorrect -1 default for grade_item->display
        execute_sql("UPDATE {$CFG->prefix}grade_items SET display=0 WHERE display=-1");
        upgrade_main_savepoint($result, 2007092803);
    }
    /// migrade grade letters - we can not do this in normal grades upgrade becuase we need all course contexts
    if ($result && $oldversion < 2007092806) {
        require_once $CFG->libdir . '/db/upgradelib.php';
        $result = upgrade_18_letters();
        /// Define index contextidlowerboundary (not unique) to be added to grade_letters
        $table = new XMLDBTable('grade_letters');
        $index = new XMLDBIndex('contextid-lowerboundary');
        $index->setAttributes(XMLDB_INDEX_NOTUNIQUE, array('contextid', 'lowerboundary'));
        /// Launch add index contextidlowerboundary
        if (!index_exists($table, $index)) {
            $result = $result && add_index($table, $index);
        }
        upgrade_main_savepoint($result, 2007092806);
    }
    if ($result && $oldversion < 2007100100) {
        /// Define table cache_flags to be created
        $table = new XMLDBTable('cache_flags');
        /// Adding fields to table cache_flags
        $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $table->addFieldInfo('flagtype', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('name', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('timemodified', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $table->addFieldInfo('value', XMLDB_TYPE_TEXT, 'medium', null, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('expiry', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        /// Adding keys to table cache_flags
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        /*
         * Note: mysql can not create indexes on text fields larger than 333 chars! 
         */
        /// Adding indexes to table cache_flags
        $table->addIndexInfo('flagtype', XMLDB_INDEX_NOTUNIQUE, array('flagtype'));
        $table->addIndexInfo('name', XMLDB_INDEX_NOTUNIQUE, array('name'));
        /// Launch create table for cache_flags
        if (!table_exists($table)) {
            $result = $result && create_table($table);
        }
        upgrade_main_savepoint($result, 2007100100);
    }
    if ($oldversion < 2007100300) {
        /// MNET stuff for roaming theme
        /// Define field force_theme to be added to mnet_host
        $table = new XMLDBTable('mnet_host');
        $field = new XMLDBField('force_theme');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'last_log_id');
        /// Launch add field force_theme
        $result = $result && add_field($table, $field);
        /// Define field theme to be added to mnet_host
        $table = new XMLDBTable('mnet_host');
        $field = new XMLDBField('theme');
        $field->setAttributes(XMLDB_TYPE_CHAR, '100', null, null, null, null, null, null, 'force_theme');
        /// Launch add field theme
        $result = $result && add_field($table, $field);
        upgrade_main_savepoint($result, 2007100300);
    }
    if ($result && $oldversion < 2007100301) {
        /// Define table cache_flags to be created
        $table = new XMLDBTable('cache_flags');
        $index = new XMLDBIndex('typename');
        if (index_exists($table, $index)) {
            $result = $result && drop_index($table, $index);
        }
        $table = new XMLDBTable('cache_flags');
        $index = new XMLDBIndex('flagtype');
        $index->setAttributes(XMLDB_INDEX_NOTUNIQUE, array('flagtype'));
        if (!index_exists($table, $index)) {
            $result = $result && add_index($table, $index);
        }
        $table = new XMLDBTable('cache_flags');
        $index = new XMLDBIndex('name');
        $index->setAttributes(XMLDB_INDEX_NOTUNIQUE, array('name'));
        if (!index_exists($table, $index)) {
            $result = $result && add_index($table, $index);
        }
        upgrade_main_savepoint($result, 2007100301);
    }
    if ($result && $oldversion < 2007100303) {
        /// Changing nullability of field summary on table course to null
        $table = new XMLDBTable('course');
        $field = new XMLDBField('summary');
        $field->setAttributes(XMLDB_TYPE_TEXT, 'small', null, null, null, null, null, null, 'idnumber');
        /// Launch change of nullability for field summary
        $result = $result && change_field_notnull($table, $field);
        upgrade_main_savepoint($result, 2007100303);
    }
    if ($result && $oldversion < 2007100500) {
        /// for dev sites - it is ok to do this repeatedly
        /// Changing nullability of field path on table context to null
        $table = new XMLDBTable('context');
        $field = new XMLDBField('path');
        $field->setAttributes(XMLDB_TYPE_CHAR, '255', null, null, null, null, null, null, 'instanceid');
        /// Launch change of nullability for field path
        $result = $result && change_field_notnull($table, $field);
        upgrade_main_savepoint($result, 2007100500);
    }
    if ($result && $oldversion < 2007100700) {
        /// first drop existing tables - we do not need any data from there
        $table = new XMLDBTable('grade_import_values');
        if (table_exists($table)) {
            drop_table($table);
        }
        $table = new XMLDBTable('grade_import_newitem');
        if (table_exists($table)) {
            drop_table($table);
        }
        /// Define table grade_import_newitem to be created
        $table = new XMLDBTable('grade_import_newitem');
        /// Adding fields to table grade_import_newitem
        $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $table->addFieldInfo('itemname', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('importcode', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('importer', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        /// Adding keys to table grade_import_newitem
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        $table->addKeyInfo('importer', XMLDB_KEY_FOREIGN, array('importer'), 'user', array('id'));
        /// Launch create table for grade_import_newitem
        $result = $result && create_table($table);
        /// Define table grade_import_values to be created
        $table = new XMLDBTable('grade_import_values');
        /// Adding fields to table grade_import_values
        $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $table->addFieldInfo('itemid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('newgradeitem', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('userid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('finalgrade', XMLDB_TYPE_NUMBER, '10, 5', null, null, null, null, null, null);
        $table->addFieldInfo('feedback', XMLDB_TYPE_TEXT, 'medium', null, null, null, null, null, null);
        $table->addFieldInfo('importcode', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('importer', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        /// Adding keys to table grade_import_values
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        $table->addKeyInfo('itemid', XMLDB_KEY_FOREIGN, array('itemid'), 'grade_items', array('id'));
        $table->addKeyInfo('newgradeitem', XMLDB_KEY_FOREIGN, array('newgradeitem'), 'grade_import_newitem', array('id'));
        $table->addKeyInfo('importer', XMLDB_KEY_FOREIGN, array('importer'), 'user', array('id'));
        /// Launch create table for grade_import_values
        $result = $result && create_table($table);
        upgrade_main_savepoint($result, 2007100700);
    }
    /// dropping context_rel table - not used anymore
    if ($result && $oldversion < 2007100800) {
        /// Define table context_rel to be dropped
        $table = new XMLDBTable('context_rel');
        /// Launch drop table for context_rel
        if (table_exists($table)) {
            drop_table($table);
        }
        upgrade_main_savepoint($result, 2007100800);
    }
    /// Truncate the text_cahe table and add new index
    if ($result && $oldversion < 2007100802) {
        /// Truncate the cache_text table
        execute_sql("TRUNCATE TABLE {$CFG->prefix}cache_text", true);
        /// Define index timemodified (not unique) to be added to cache_text
        $table = new XMLDBTable('cache_text');
        $index = new XMLDBIndex('timemodified');
        $index->setAttributes(XMLDB_INDEX_NOTUNIQUE, array('timemodified'));
        /// Launch add index timemodified
        $result = $result && add_index($table, $index);
        upgrade_main_savepoint($result, 2007100802);
    }
    /// newtable for gradebook settings per course
    if ($result && $oldversion < 2007100803) {
        /// Define table grade_settings to be created
        $table = new XMLDBTable('grade_settings');
        /// Adding fields to table grade_settings
        $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $table->addFieldInfo('courseid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('name', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('value', XMLDB_TYPE_TEXT, 'small', null, null, null, null, null, null);
        /// Adding keys to table grade_settings
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        $table->addKeyInfo('courseid', XMLDB_KEY_FOREIGN, array('courseid'), 'course', array('id'));
        /// Adding indexes to table grade_settings
        $table->addIndexInfo('courseid-name', XMLDB_INDEX_UNIQUE, array('courseid', 'name'));
        /// Launch create table for grade_settings
        $result = $result && create_table($table);
        upgrade_main_savepoint($result, 2007100803);
    }
    /// cleanup in user_lastaccess
    if ($result && $oldversion < 2007100902) {
        $sql = "DELETE\n                  FROM {$CFG->prefix}user_lastaccess\n                 WHERE NOT EXISTS (SELECT 'x'\n                                    FROM {$CFG->prefix}course c\n                                   WHERE c.id = {$CFG->prefix}user_lastaccess.courseid)";
        execute_sql($sql);
        upgrade_main_savepoint($result, 2007100902);
    }
    /// drop old gradebook tables
    if ($result && $oldversion < 2007100903) {
        $tables = array('grade_category', 'grade_item', 'grade_letter', 'grade_preferences', 'grade_exceptions');
        foreach ($tables as $table) {
            $table = new XMLDBTable($table);
            if (table_exists($table)) {
                drop_table($table);
            }
        }
        upgrade_main_savepoint($result, 2007100903);
    }
    if ($result && $oldversion < 2007101500 && !file_exists($CFG->dataroot . '/user')) {
        // Get list of users by browsing moodledata/user
        $oldusersdir = $CFG->dataroot . '/users';
        $folders = get_directory_list($oldusersdir, '', false, true, false);
        foreach ($folders as $userid) {
            $olddir = $oldusersdir . '/' . $userid;
            $files = get_directory_list($olddir);
            if (empty($files)) {
                continue;
            }
            // Create new user directory
            if (!($newdir = make_user_directory($userid))) {
                $result = false;
                break;
            }
            // Move contents of old directory to new one
            if (file_exists($olddir) && file_exists($newdir)) {
                foreach ($files as $file) {
                    copy($olddir . '/' . $file, $newdir . '/' . $file);
                }
            } else {
                notify("Could not move the contents of {$olddir} into {$newdir}!");
                $result = false;
                break;
            }
        }
        // Leave a README in old users directory
        $readmefilename = $oldusersdir . '/README.txt';
        if ($handle = fopen($readmefilename, 'w+b')) {
            if (!fwrite($handle, get_string('olduserdirectory'))) {
                // Could not write to the readme file. No cause for huge concern
                notify("Could not write to the README.txt file in {$readmefilename}.");
            }
            fclose($handle);
        } else {
            // Could not create the readme file. No cause for huge concern
            notify("Could not create the README.txt file in {$readmefilename}.");
        }
    }
    if ($result && $oldversion < 2007101502) {
        /// try to remove duplicate entries
        $SQL = "SELECT userid, itemid, COUNT(*)\n               FROM {$CFG->prefix}grade_grades\n               GROUP BY userid, itemid\n               HAVING COUNT( * ) >1";
        // duplicates found
        if ($rs = get_recordset_sql($SQL)) {
            if ($rs && $rs->RecordCount() > 0) {
                while ($dup = rs_fetch_next_record($rs)) {
                    if ($thisdups = get_records_sql("SELECT id FROM {$CFG->prefix}grade_grades \n                                                    WHERE itemid = {$dup->itemid} AND userid = {$dup->userid}\n                                                    ORDER BY timemodified DESC")) {
                        $processed = 0;
                        // keep the first one
                        foreach ($thisdups as $thisdup) {
                            if ($processed) {
                                // remove the duplicates
                                delete_records('grade_grades', 'id', $thisdup->id);
                            }
                            $processed++;
                        }
                    }
                }
                rs_close($rs);
            }
        }
        /// Define key userid-itemid (unique) to be added to grade_grades
        $table = new XMLDBTable('grade_grades');
        $key = new XMLDBKey('userid-itemid');
        $key->setAttributes(XMLDB_KEY_UNIQUE, array('userid', 'itemid'));
        /// Launch add key userid-itemid
        $result = $result && add_key($table, $key);
        /// Main savepoint reached
        upgrade_main_savepoint($result, 2007101502);
    }
    if ($result && $oldversion < 2007101505) {
        /// Changing precision of field dst_time on table timezone to (6)
        $table = new XMLDBTable('timezone');
        $field = new XMLDBField('dst_time');
        $field->setAttributes(XMLDB_TYPE_CHAR, '6', null, XMLDB_NOTNULL, null, null, null, '00:00', 'dst_skipweeks');
        /// Launch change of precision for field dst_time
        $result = $result && change_field_precision($table, $field);
        /// Changing precision of field std_time on table timezone to (6)
        $table = new XMLDBTable('timezone');
        $field = new XMLDBField('std_time');
        $field->setAttributes(XMLDB_TYPE_CHAR, '6', null, XMLDB_NOTNULL, null, null, null, '00:00', 'std_skipweeks');
        /// Launch change of precision for field std_time
        $result = $result && change_field_precision($table, $field);
        /// Main savepoint reached
        upgrade_main_savepoint($result, 2007101505);
    }
    if ($result && $oldversion < 2007101506) {
        /// CONTEXT_PERSONAL was never implemented - removing
        $sql = "DELETE\n                  FROM {$CFG->prefix}context\n                 WHERE contextlevel=20";
        execute_sql($sql);
        /// Main savepoint reached
        upgrade_main_savepoint($result, 2007101506);
    }
    return $result;
}
コード例 #6
0
/**
 * Execute geogebra upgrade from the given old version
 *
 * @param int $oldversion
 * @return bool
 */
function xmldb_geogebra_upgrade($oldversion)
{
    global $CFG, $DB;
    $dbman = $DB->get_manager();
    // loads ddl manager and xmldb classes
    if ($oldversion < 2012030100) {
        //Add grade field
        $table = new XMLDBTable('geogebra');
        $field = new XMLDBField('grade');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null, null, '100', 'showsubmit');
        $result = $result && add_field($table, $field);
        //Add autograde field
        $field = new XMLDBField('autograde');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null, null, '0', 'grade');
        $result = $result && add_field($table, $field);
        //Delete maxgrade field
        $field = new XMLDBField('maxgrade');
        $result = $result && drop_field($table, $field);
        //Make maxattempts signed
        $field = new XMLDBField('maxattempts');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', false, XMLDB_NOTNULL, null, null, null, '-1', 'autograde');
        $result = $result && change_field_unsigned($table, $field);
        //Add gradecomment field
        $table = new XMLDBTable('geogebra_attempts');
        $field = new XMLDBField('gradecomment');
        $field->setAttributes(XMLDB_TYPE_TEXT, 'small', null, null, null, null, null, null, 'vars');
        $result = $result && add_field($table, $field);
    }
    if ($oldversion < 2012030101) {
        $table = new XMLDBTable('geogebra_attempts');
        $field = new XMLDBField('dateteacher');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'finished');
        $result = $result && add_field($table, $field);
    }
    if ($oldversion < 2012082100) {
        $table = new XMLDBTable('geogebra');
        $field = new XMLDBField('url');
        $field->setAttributes(XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, null, null, null, 'intro');
        $result = $result && change_field_precision($table, $field);
        $table = new XMLDBTable('geogebra_attempts');
        $field = new XMLDBField('gradecomment');
        $field->setAttributes(XMLDB_TYPE_TEXT, 'small', null, false, null, null, null, null, 'vars');
        $result = $result && change_field_notnull($table, $field);
        $field = new XMLDBField('date');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        $result = $result && rename_field($table, $field, 'datestudent');
    }
    if ($oldversion < 2011122902) {
        /// Define field introformat to be added to geogebra
        $table = new xmldb_table('geogebra');
        $field = new xmldb_field('introformat');
        $field->set_attributes(XMLDB_TYPE_INTEGER, '4', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, '0', 'intro');
        /// Launch add field introformat
        if (!$dbman->field_exists($table, $field)) {
            $dbman->add_field($table, $field);
        }
        // conditionally migrate to html format in intro
        if ($CFG->texteditors !== 'textarea') {
            $rs = $DB->get_recordset('geogebra', array('introformat' => FORMAT_MOODLE), '', 'id,intro,introformat');
            foreach ($rs as $f) {
                $f->intro = text_to_html($f->intro, false, false, true);
                $f->introformat = FORMAT_HTML;
                $DB->update_record('geogebra', $f);
                upgrade_set_timeout();
            }
            $rs->close();
        }
        /// geogebra savepoint reached
        upgrade_mod_savepoint(true, 2011122902, 'geogebra');
    }
    //===== 1.9.0 upgrade line ======//
    if ($oldversion < 2012042700) {
        require_once "{$CFG->dirroot}/mod/geogebra/db/upgradelib.php";
        // Add upgrading code from 1.9 (+ new file storage system)
        // @TODO: test it!!!!
        geogebra_migrate_files();
        // geogebra savepoint reached
        upgrade_mod_savepoint(true, 2012042700, 'geogebra');
    }
    if ($oldversion < 2013050600) {
        // @TODO: test it!!!!
        //Add atrributes field
        $table = new xmldb_table('geogebra');
        $field = new xmldb_field('attributes');
        $field->set_attributes(XMLDB_TYPE_TEXT, 'small', null, null, null, null, null, null, 'url');
        $dbman->add_field($table, $field);
        $rs = $DB->get_recordset('geogebra');
        foreach ($rs as $f) {
            parse_str($f->url, $parsedVarsURL);
            if (array_key_exists('filename', $parsedVarsURL)) {
                // From Moodle 2, URL field only contains information about the GGB file location
                $f->url = $parsedVarsURL['filename'];
                // Remove filename from parsedVarsURL array (to avoid save twice)
                unset($parsedVarsURL['filename']);
                // Store other attributes in the new param
                $f->attributes = http_build_query($parsedVarsURL);
                $DB->update_record('geogebra', $f);
                upgrade_set_timeout();
            }
        }
        $rs->close();
        // geogebra savepoint reached
        upgrade_mod_savepoint(true, 2013050600, 'geogebra');
    }
    if ($oldversion < 2015050600) {
        unset_config('geogebra_javacodebase');
        upgrade_mod_savepoint(true, 2015050600, 'geogebra');
    }
    // Final return of upgrade result (true, all went good) to Moodle.
    return true;
}
コード例 #7
0
ファイル: upgrade.php プロジェクト: nadavkav/MoodleTAO
function xmldb_certificate_upgrade($oldversion = 0)
{
    global $CFG, $THEME, $db;
    $result = true;
    if ($result && $oldversion < 2007102806) {
        /// Add new fields to certificate table
        $table = new XMLDBTable('certificate');
        $field = new XMLDBField('printoutcome');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '2', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'gradefmt');
        $result = $result && add_field($table, $field);
    }
    if ($result && $oldversion < 2007102800) {
        /// Add new fields to certificate table
        $table = new XMLDBTable('certificate');
        $field = new XMLDBField('reportcert');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '2', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'savecert');
        $result = $result && add_field($table, $field);
        $table = new XMLDBTable('certificate_issues');
        $field = new XMLDBField('reportgrade');
        $field->setAttributes(XMLDB_TYPE_CHAR, '10', null, null, null, null, null, null, 'certdate');
        $result = $result && add_field($table, $field);
    }
    if ($result && $oldversion < 2007061300) {
        /// Add new fields to certificate table
        $table = new XMLDBTable('certificate');
        $field = new XMLDBField('emailothers');
        $field->setAttributes(XMLDB_TYPE_TEXT, 'small', null, null, null, null, null, null, 'emailteachers');
        $result = $result && add_field($table, $field);
        $table = new XMLDBTable('certificate');
        $field = new XMLDBField('printhours');
        $field->setAttributes(XMLDB_TYPE_TEXT, 'small', null, null, null, null, null, null, 'gradefmt');
        $result = $result && add_field($table, $field);
        $table = new XMLDBTable('certificate');
        $field = new XMLDBField('lockgrade');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'printhours');
        $result = $result && add_field($table, $field);
        $table = new XMLDBTable('certificate');
        $field = new XMLDBField('requiredgrade');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '4', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'lockgrade');
        $result = $result && add_field($table, $field);
        /// Rename field save to savecert
        $field = new XMLDBField('save');
        if (field_exists($table, $field)) {
            $field->setAttributes(XMLDB_TYPE_INTEGER, '2', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'emailothers');
            /// Launch rename field savecert
            $result = $result && rename_field($table, $field, 'savecert');
        } else {
            $field = new XMLDBField('savecert');
            $field->setAttributes(XMLDB_TYPE_INTEGER, '2', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'emailothers');
            $result = $result && add_field($table, $field);
        }
    }
    if ($result && $oldversion < 2007061301) {
        $table = new XMLDBTable('certificate_linked_modules');
        $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null, null);
        $table->addFieldInfo('certificate_id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'id');
        $table->addFieldInfo('linkid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'certificate_id');
        $table->addFieldInfo('linkgrade', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'linkid');
        $table->addFieldInfo('timemodified', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'linkgrade');
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        $table->addIndexInfo('certificate_id', XMLDB_INDEX_NOTUNIQUE, array('certificate_id'));
        $table->addIndexInfo('linkid', XMLDB_INDEX_NOTUNIQUE, array('linkid'));
        $result = create_table($table);
        if ($result) {
            require_once $CFG->dirroot . '/mod/certificate/lib.php';
            $result = certificate_upgrade_grading_info();
        }
    }
    if ($result && $oldversion < 2007061302) {
        $table = new XMLDBTable('certificate_linked_modules');
        $field = new XMLDBField('linkid');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null, null, '0', 'certificate_id');
        $result = change_field_unsigned($table, $field);
    }
    if ($result && $oldversion < 2008080902) {
        $table = new XMLDBTable('certificate');
        $field = new XMLDBField('requiredcertification');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null, null, '0', 'printhours');
        $result = add_field($table, $field);
    }
    if ($result && $oldversion < 2008080903) {
        $table = new XMLDBTable('certificate');
        $field = new XMLDBField('setcertification');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null, null, '0', 'printhours');
        $result = add_field($table, $field);
    }
    if ($result && $oldversion < 2008080904) {
        /// Add new fields to certificate table if they dont already exist
        $table = new XMLDBTable('certificate');
        $field = new XMLDBField('intro');
        $field->setAttributes(XMLDB_TYPE_TEXT, 'small', null, null, null, null, null, null, 'name');
        if (!field_exists($table, $field)) {
            $result = $result && add_field($table, $field);
        }
    }
    if ($result && $oldversion < 2008080905) {
        $table = new XMLDBTable('certificate');
        $field = new XMLDBField('setcertification');
        $field->setAttributes(XMLDB_TYPE_TEXT, 'small', null, XMLDB_NOTNULL, null, null, null, null, 'printhours');
        $result = change_field_type($table, $field);
    }
    if ($result && $oldversion < 2008080906) {
        $table = new XMLDBTable('certificate');
        $field = new XMLDBField('requiredcertification');
        $field->setAttributes(XMLDB_TYPE_TEXT, 'small', null, XMLDB_NOTNULL, null, null, null, null, 'printhours');
        $result = change_field_type($table, $field);
    }
    return $result;
}
コード例 #8
0
function xmldb_ouwiki_upgrade($oldversion = 0)
{
    global $CFG, $db;
    $result = true;
    /// And upgrade begins here. For each one, you'll need one
    /// block of code similar to the next one. Please, delete
    /// this comment lines once this file start handling proper
    /// upgrade code.
    /// if ($result && $oldversion < YYYYMMDD00) { //New version in version.php
    ///     $result = result of "/lib/ddllib.php" function calls
    /// }
    if ($result && $oldversion < 2007022300) {
        error('Cannot upgrade OU wiki module - please delete it by going to <a href="modules.php">the modules section</a> then delete it. (Module is called Wiki.) Then let it install itself again.');
    }
    if ($result && $oldversion < 2007041006) {
        // First fix some signed-ness, then upgrade database to support comment system
        $tw = new transaction_wrapper();
        /// Changing sign of field id on table ouwiki_subwikis to unsigned
        $table = new XMLDBTable('ouwiki_subwikis');
        $field = new XMLDBField('id');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null, null);
        /// Launch change of sign for field id
        $result = $result && change_field_unsigned($table, $field);
        /// Changing sign of field id on table ouwiki_pages to unsigned
        $table = new XMLDBTable('ouwiki_pages');
        $field = new XMLDBField('id');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null, null);
        /// Launch change of sign for field id
        $result = $result && change_field_unsigned($table, $field);
        /// Define key ouwiki_pages_fk_forumid (foreign) to be dropped form ouwiki_pages
        $table = new XMLDBTable('ouwiki_pages');
        $key = new XMLDBKey('ouwiki_pages_fk_forumid');
        $key->setAttributes(XMLDB_KEY_FOREIGN, array('forumid'), 'forum', array('id'));
        /// Launch drop key ouwiki_pages_fk_forumid
        $result = $result && drop_key($table, $key);
        /// Define field forumid to be dropped from ouwiki_pages
        $table = new XMLDBTable('ouwiki_pages');
        $field = new XMLDBField('forumid');
        /// Launch drop field forumid
        $result = $result && drop_field($table, $field);
        /// Changing sign of field id on table ouwiki_versions to unsigned
        $table = new XMLDBTable('ouwiki_versions');
        $field = new XMLDBField('id');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null, null);
        /// Launch change of sign for field id
        $result = $result && change_field_unsigned($table, $field);
        /// Changing sign of field id on table ouwiki_links to unsigned
        $table = new XMLDBTable('ouwiki_links');
        $field = new XMLDBField('id');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null, null);
        /// Launch change of sign for field id
        $result = $result && change_field_unsigned($table, $field);
        /// Changing sign of field id on table ouwiki_locks to unsigned
        $table = new XMLDBTable('ouwiki_locks');
        $field = new XMLDBField('id');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null, null);
        /// Launch change of sign for field id
        $result = $result && change_field_unsigned($table, $field);
        // Due to a bug or issues with xmldb/postgres - MDL-9271 - it lost all the primary keys!
        // If this part of the upgrade fails because the primary keys are still there then that's
        // ok.
        /* XMLDB doesn't let you add primary keys! MDL-9272. Otherwise the code would be as follows:
           $table = new XMLDBTable('ouwiki_subwikis');
           $key = new XMLDBKey('primary');
           $key->setAttributes(XMLDB_KEY_PRIMARY, array('id'));
           $result = $result && add_key($table, $key);
           $table = new XMLDBTable('ouwiki_pages');
           $key = new XMLDBKey('primary');
           $key->setAttributes(XMLDB_KEY_PRIMARY, array('id'));
           $result = $result && add_key($table, $key);
           $table = new XMLDBTable('ouwiki_versions');
           $key = new XMLDBKey('primary');
           $key->setAttributes(XMLDB_KEY_PRIMARY, array('id'));
           $result = $result && add_key($table, $key);
           $table = new XMLDBTable('ouwiki_links');
           $key = new XMLDBKey('primary');
           $key->setAttributes(XMLDB_KEY_PRIMARY, array('id'));
           $result = $result && add_key($table, $key);
           $table = new XMLDBTable('ouwiki_locks');
           $key = new XMLDBKey('primary');
           $key->setAttributes(XMLDB_KEY_PRIMARY, array('id'));
           $result = $result && add_key($table, $key);
           */
        // This is Postgres-only
        $result &= execute_sql("ALTER TABLE {$CFG->prefix}ouwiki_subwikis ADD CONSTRAINT {$CFG->prefix}ouwisubw_id_pk PRIMARY KEY(id)");
        $result &= execute_sql("ALTER TABLE {$CFG->prefix}ouwiki_pages ADD CONSTRAINT {$CFG->prefix}ouwipage_id_pk PRIMARY KEY(id)");
        $result &= execute_sql("ALTER TABLE {$CFG->prefix}ouwiki_versions ADD CONSTRAINT {$CFG->prefix}ouwivers_id_pk PRIMARY KEY(id)");
        $result &= execute_sql("ALTER TABLE {$CFG->prefix}ouwiki_links ADD CONSTRAINT {$CFG->prefix}ouwilink_id_pk PRIMARY KEY(id)");
        $result &= execute_sql("ALTER TABLE {$CFG->prefix}ouwiki_locks ADD CONSTRAINT {$CFG->prefix}ouwilock_id_pk PRIMARY KEY(id)");
        /// Define table ouwiki_sections to be created
        $table = new XMLDBTable('ouwiki_sections');
        /// Adding fields to table ouwiki_sections
        $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $table->addFieldInfo('pageid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('xhtmlid', XMLDB_TYPE_CHAR, '255', null, null, null, null, null, null);
        $table->addFieldInfo('title', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, null, null, null);
        /// Adding keys to table ouwiki_sections
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        $table->addKeyInfo('ouwiki_sections_fk_pageid', XMLDB_KEY_FOREIGN, array('pageid'), 'ouwiki_pages', array('id'));
        /// Launch create table for ouwiki_sections
        $result = $result && create_table($table);
        /// Define table ouwiki_comments to be created
        $table = new XMLDBTable('ouwiki_comments');
        /// Adding fields to table ouwiki_comments
        $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $table->addFieldInfo('pagesectionid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('title', XMLDB_TYPE_CHAR, '255', null, null, null, null, null, null);
        $table->addFieldInfo('xhtml', XMLDB_TYPE_TEXT, 'medium', null, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('userid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('timeposted', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('deleted', XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
        /// Adding keys to table ouwiki_comments
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        $table->addKeyInfo('oucontent_comments_pagesectionid_fk', XMLDB_KEY_FOREIGN, array('pagesectionid'), 'ouwiki_sections', array('id'));
        $table->addKeyInfo('oucontent_comments_userid_fk', XMLDB_KEY_FOREIGN, array('userid'), 'user', array('id'));
        /// Launch create table for ouwiki_comments
        $result = $result && create_table($table);
        if ($result) {
            $tw->commit();
        } else {
            $tw->rollback();
        }
    }
    if ($result && $oldversion < 2007041007) {
        /// Changing nullability of field title on table ouwiki_sections to not null
        $table = new XMLDBTable('ouwiki_sections');
        $field = new XMLDBField('title');
        $field->setAttributes(XMLDB_TYPE_CHAR, '255', null, null, null, null, null, null, 'xhtmlid');
        /// Launch change of nullability for field title
        $result = $result && change_field_notnull($table, $field);
    }
    if ($result && $oldversion < 2007041103) {
        $result &= ouwiki_argh_fix_default('subwikis');
        $result &= ouwiki_argh_fix_default('pages');
        $result &= ouwiki_argh_fix_default('versions');
        $result &= ouwiki_argh_fix_default('links');
        $result &= ouwiki_argh_fix_default('locks');
    }
    if ($result && $oldversion < 2007041700) {
        /// Define key oucontent_comments_sectionid_fk (foreign) to be dropped form ouwiki_comments
        $table = new XMLDBTable('ouwiki_comments');
        $key = new XMLDBKey('oucontent_comments_pagesectionid_fk');
        $key->setAttributes(XMLDB_KEY_FOREIGN, array('pagesectionid'), 'ouwiki_sections', array('id'));
        /// Launch drop key oucontent_comments_pagesectionid_fk
        $result = $result && drop_key($table, $key);
        /// Rename field pagesectionid on table ouwiki_comments to sectionid
        $table = new XMLDBTable('ouwiki_comments');
        $field = new XMLDBField('pagesectionid');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null, 'id');
        /// Launch rename field pagesectionid
        $result = $result && rename_field($table, $field, 'sectionid');
        /// Define key ouwiki_comments_sectionid_fk (foreign) to be added to ouwiki_comments
        $table = new XMLDBTable('ouwiki_comments');
        $key = new XMLDBKey('ouwiki_comments_sectionid_fk');
        $key->setAttributes(XMLDB_KEY_FOREIGN, array('sectionid'), 'ouwiki_sections', array('id'));
        /// Launch add key oucontent_comments_sectionid_fk
        $result = $result && add_key($table, $key);
    }
    if ($result && $oldversion == 2007041700) {
        /// Define key oucontent_comments_sectionid_fk (foreign) to be dropped form ouwiki_comments
        $table = new XMLDBTable('ouwiki_comments');
        $key = new XMLDBKey('oucontent_comments_pagesectionid_fk');
        $key->setAttributes(XMLDB_KEY_FOREIGN, array('pagesectionid'), 'ouwiki_sections', array('id'));
        /// Launch drop key oucontent_comments_pagesectionid_fk
        $result = $result && drop_key($table, $key);
        /// Define key ouwiki_comments_sectionid_fk (foreign) to be added to ouwiki_comments
        $table = new XMLDBTable('ouwiki_comments');
        $key = new XMLDBKey('ouwiki_comments_sectionid_fk');
        $key->setAttributes(XMLDB_KEY_FOREIGN, array('sectionid'), 'ouwiki_sections', array('id'));
        /// Launch add key oucontent_comments_sectionid_fk
        $result = $result && add_key($table, $key);
    }
    if ($result && $oldversion < 2007041701) {
        /// Define key oucontent_comments_userid_fk (foreign) to be dropped form ouwiki_comments
        $table = new XMLDBTable('ouwiki_comments');
        $key = new XMLDBKey('oucontent_comments_userid_fk');
        $key->setAttributes(XMLDB_KEY_FOREIGN, array('userid'), 'user', array('id'));
        /// Launch drop key oucontent_comments_userid_fk
        $result = $result && drop_key($table, $key);
        /// Define key ouwiki_comments_userid_fk (foreign) to be added to ouwiki_comments
        $table = new XMLDBTable('ouwiki_comments');
        $key = new XMLDBKey('ouwiki_comments_userid_fk');
        $key->setAttributes(XMLDB_KEY_FOREIGN, array('userid'), 'user', array('id'));
        /// Launch add key ouwiki_comments_userid_fk
        $result = $result && add_key($table, $key);
    }
    if ($result && $oldversion < 2007102900) {
        /// Define field magic to be added to ouwiki_subwikis
        $table = new XMLDBTable('ouwiki_subwikis');
        $field = new XMLDBField('magic');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '16', XMLDB_UNSIGNED, null, null, null, null, null, 'userid');
        /// Launch add field magic
        $result = $result && add_field($table, $field);
        /// Set up all existing field values
        $rs = get_recordset('ouwiki_subwikis', '', '', '', 'id');
        while ($rec = rs_fetch_next_record($rs)) {
            $magicnumber = ouwiki_generate_magic_number();
            set_field('ouwiki_subwikis', 'magic', $magicnumber, 'id', $rec->id);
        }
        rs_close($rs);
        /// Changing nullability of field magic on table ouwiki_subwikis to not null
        $field->setAttributes(XMLDB_TYPE_INTEGER, '16', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null, 'userid');
        /// Launch change of nullability for field magic
        $result = $result && change_field_notnull($table, $field);
    }
    if ($result && $oldversion < 2008073000) {
        /// Define field completionpages to be added to ouwiki
        $table = new XMLDBTable('ouwiki');
        $field = new XMLDBField('completionpages');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '9', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'editend');
        /// Launch add field completionpages
        $result = $result && add_field($table, $field);
        /// Define field completionedits to be added to ouwiki
        $field = new XMLDBField('completionedits');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '9', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'completionpages');
        /// Launch add field completionedits
        $result = $result && add_field($table, $field);
    }
    if ($result && $oldversion < 2008100600) {
        /// Define field deletedat to be added to ouwiki_versions
        $table = new XMLDBTable('ouwiki_versions');
        $field = new XMLDBField('deletedat');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null, 'changeprevsize');
        /// Launch add field deletedat (provided field does not already exist)
        if (!field_exists($table, $field)) {
            $result = $result && add_field($table, $field);
        }
    }
    if ($result && $oldversion < 2010022300) {
        // Add ouwiki delete page capability to admin role if it exists
        // Check whether necessary
        $name = 'Administrator';
        $shortname = 'admin';
        if (($role = get_record('role', 'name', $name)) || ($role = get_record('role', 'shortname', $shortname))) {
            if ($sitecontext = get_context_instance(CONTEXT_SYSTEM, SITEID)) {
                // Check role has delete page capability (assign if not)
                $cap = 'mod/ouwiki:deletepage';
                if (!($rcap = get_record('role_capabilities', 'roleid', $role->id, 'capability', $cap, 'contextid', $sitecontext->id))) {
                    assign_capability($cap, CAP_ALLOW, $role->id, $sitecontext->id);
                }
            }
        }
    }
    if ($result && $oldversion < 2009120801) {
        $tw = new transaction_wrapper();
        /// Define table ouwiki_annotations to be created
        $table = new XMLDBTable('ouwiki_annotations');
        /// Adding fields to table ouwiki_annotations
        $table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
        $table->addFieldInfo('pageid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('userid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
        $table->addFieldInfo('timemodified', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
        $table->addFieldInfo('content', XMLDB_TYPE_TEXT, 'medium', null, XMLDB_NOTNULL, null, null, null, null);
        /// Adding keys to table ouwiki_annotations
        $table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
        /// Launch create table for ouwiki_annotations - if it does not already exist (extra precaution)
        if (!table_exists($table)) {
            $result = $result && create_table($table);
        }
        /// Define field locked to be added to ouwiki_pages
        $table = new XMLDBTable('ouwiki_pages');
        $field = new XMLDBField('locked');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '1', null, XMLDB_NOTNULL, null, null, null, '0', 'currentversionid');
        /// Launch add field locked - if it does not already exist (extra precaution)
        if (!field_exists($table, $field)) {
            $result = $result && add_field($table, $field);
        }
        if ($result) {
            $tw->commit();
        } else {
            $tw->rollback();
        }
    }
    if ($result && $oldversion < 2010022300) {
        /// Define field commenting to be added to ouwiki
        $table = new XMLDBTable('ouwiki');
        $field = new XMLDBField('commenting');
        $field->setAttributes(XMLDB_TYPE_CHAR, '20', null, null, null, null, null, 'default', 'completionedits');
        /// Launch add field commenting - if it does not already exist (extra precaution)
        if (!field_exists($table, $field)) {
            $result = $result && add_field($table, $field);
        }
    }
    if ($result && $oldversion < 2010042201) {
        /// Define key subwikiid (foreign) to be added to ouwiki_pages
        $table = new XMLDBTable('ouwiki_pages');
        $key = new XMLDBKey('subwikiid');
        $key->setAttributes(XMLDB_KEY_FOREIGN, array('subwikiid'), 'ouwiki_subwikis', array('id'));
        /// Launch add key subwikiid
        if (!index_exists($table, $key)) {
            $result = $result && add_key($table, $key);
        }
    }
    return $result;
}