/**
* Object constructor.
*
* @param moodle_database $mdb Connection to the target database (a
* @see moodle_database object). Use null to use the current $DB connection.
* @param boolean $check_schema - whether or not to check that XML database
* schema matches the RDBMS database schema before importing (inside
* @see begin_database_import).
*/
public function __construct(moodle_database $mdb, $check_schema = true)
{
$this->mdb = $mdb;
$this->manager = $mdb->get_manager();
$this->schema = $this->manager->get_install_xml_schema();
$this->check_schema = $check_schema;
}
public function test_execute() {
$DB = $this->tdb;
$dbman = $this->tdb->get_manager();
$table1 = $this->get_test_table('1');
$tablename1 = $table1->getName();
$table1->add_field('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null);
$table1->add_field('course', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, '0');
$table1->add_field('name', XMLDB_TYPE_CHAR, '255', null, null, null, '0');
$table1->add_index('course', XMLDB_INDEX_NOTUNIQUE, array('course'));
$table1->add_key('primary', XMLDB_KEY_PRIMARY, array('id'));
$dbman->create_table($table1);
$table2 = $this->get_test_table('2');
$tablename2 = $table2->getName();
$table2->add_field('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null);
$table2->add_field('course', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, '0');
$table2->add_key('primary', XMLDB_KEY_PRIMARY, array('id'));
$dbman->create_table($table2);
$DB->insert_record($tablename1, array('course' => 3, 'name' => 'aaa'));
$DB->insert_record($tablename1, array('course' => 1, 'name' => 'bbb'));
$DB->insert_record($tablename1, array('course' => 7, 'name' => 'ccc'));
$DB->insert_record($tablename1, array('course' => 3, 'name' => 'ddd'));
// select results are ignored
$sql = "SELECT * FROM {{$tablename1}} WHERE course = :course";
$this->assertTrue($DB->execute($sql, array('course'=>3)));
// throw exception on error
$sql = "XXUPDATE SET XSSD";
try {
$DB->execute($sql);
$this->fail("Expecting an exception, none occurred");
} catch (Exception $e) {
$this->assertTrue($e instanceof dml_write_exception);
}
// update records
$sql = "UPDATE {{$tablename1}}
SET course = 6
WHERE course = ?";
$this->assertTrue($DB->execute($sql, array('3')));
$this->assertEqual($DB->count_records($tablename1, array('course' => 6)), 2);
// insert from one into second table
$sql = "INSERT INTO {{$tablename2}} (course)
SELECT course
FROM {{$tablename1}}";
$this->assertTrue($DB->execute($sql));
$this->assertEqual($DB->count_records($tablename2), 4);
}
public function test_execute()
{
$DB = $this->tdb;
$dbman = $this->tdb->get_manager();
$table1 = $this->get_test_table('1');
$tablename1 = $table1->getName();
$table1->add_field('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null);
$table1->add_field('course', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, '0');
$table1->add_field('name', XMLDB_TYPE_CHAR, '255', null, null, null, '0');
$table1->add_index('course', XMLDB_INDEX_NOTUNIQUE, array('course'));
$table1->add_key('primary', XMLDB_KEY_PRIMARY, array('id'));
$dbman->create_table($table1);
$table2 = $this->get_test_table('2');
$tablename2 = $table2->getName();
$table2->add_field('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null);
$table2->add_field('course', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, '0');
$table2->add_key('primary', XMLDB_KEY_PRIMARY, array('id'));
$dbman->create_table($table2);
$DB->insert_record($tablename1, array('course' => 3, 'name' => 'aaa'));
$DB->insert_record($tablename1, array('course' => 1, 'name' => 'bbb'));
$DB->insert_record($tablename1, array('course' => 7, 'name' => 'ccc'));
$DB->insert_record($tablename1, array('course' => 3, 'name' => 'ddd'));
// select results are ignored
$sql = "SELECT * FROM {{$tablename1}} WHERE course = :course";
$this->assertTrue($DB->execute($sql, array('course' => 3)));
// throw exception on error
$sql = "XXUPDATE SET XSSD";
try {
$DB->execute($sql);
$this->fail("Expecting an exception, none occurred");
} catch (Exception $e) {
$this->assertTrue($e instanceof dml_exception);
}
// update records
$sql = "UPDATE {{$tablename1}}\n SET course = 6\n WHERE course = ?";
$this->assertTrue($DB->execute($sql, array('3')));
$this->assertEqual($DB->count_records($tablename1, array('course' => 6)), 2);
// update records with subquery condition
// confirm that the option not using table aliases is cross-db
$sql = "UPDATE {{$tablename1}}\n SET course = 0\n WHERE NOT EXISTS (\n SELECT course\n FROM {{$tablename2}} tbl2\n WHERE tbl2.course = {{$tablename1}}.course\n AND 1 = 0)";
// Really we don't update anything, but verify the syntax is allowed
$this->assertTrue($DB->execute($sql));
// insert from one into second table
$sql = "INSERT INTO {{$tablename2}} (course)\n\n SELECT course\n FROM {{$tablename1}}";
$this->assertTrue($DB->execute($sql));
$this->assertEqual($DB->count_records($tablename2), 4);
}
public function test_concurrent_temp_tables()
{
$DB = $this->tdb;
// do not use global $DB!
$dbman = $this->tdb->get_manager();
// Define 2 records
$record1 = (object) array('course' => 1, 'secondname' => '11 important', 'intro' => '111 important');
$record2 = (object) array('course' => 2, 'secondname' => '22 important', 'intro' => '222 important');
// Create temp table1 and insert 1 record (in DB)
$table = $this->tables['test_table1'];
$dbman->create_temp_table($table);
$this->assertTrue($dbman->table_exists('test_table1'));
$inserted = $DB->insert_record('test_table1', $record1);
// Switch to new connection
$cfg = $DB->export_dbconfig();
if (!isset($cfg->dboptions)) {
$cfg->dboptions = array();
}
$DB2 = moodle_database::get_driver_instance($cfg->dbtype, $cfg->dblibrary);
$DB2->connect($cfg->dbhost, $cfg->dbuser, $cfg->dbpass, $cfg->dbname, $cfg->prefix, $cfg->dboptions);
$dbman2 = $DB2->get_manager();
$this->assertFalse($dbman2->table_exists('test_table1'));
// Temp table not exists in DB2
// Create temp table1 and insert 1 record (in DB2)
$table = $this->tables['test_table1'];
$dbman2->create_temp_table($table);
$this->assertTrue($dbman2->table_exists('test_table1'));
$inserted = $DB2->insert_record('test_table1', $record2);
$dbman2->drop_temp_table($table);
// Drop temp table before closing DB2
$this->assertFalse($dbman2->table_exists('test_table1'));
$DB2->dispose();
// Close DB2
$this->assertTrue($dbman->table_exists('test_table1'));
// Check table continues existing for DB
$dbman->drop_temp_table($table);
// Drop temp table
$this->assertFalse($dbman->table_exists('test_table1'));
}
