/**
  * Returns SQL to create the function
  *
  * @return string
  */
 public static function get_creation_sql($node_schema, $node_function)
 {
     // http://msdn.microsoft.com/en-us/library/ms186755.aspx
     $sql = 'CREATE FUNCTION ' . mssql10_function::get_declaration($node_schema, $node_function) . "\n" . 'RETURNS ' . $node_function['returns'] . "\n" . "  AS \n" . mssql10_function::get_definition($node_function) . "\n" . "; -- DBSTEWARD_FUNCTION_DEFINITION_END\n";
     // quick sanity check: GRANT EXECUTE on FUNCTION that RETURNS table
     if (strcasecmp($node_function['returns'], 'table') == 0) {
         foreach ($node_function->grant as $grant) {
             if (strcasecmp($grant['operation'], 'EXECUTE') == 0) {
                 throw new exception("function " . $node_function['name'] . " - MSSQL does not allow execute permission on functions that return the table type");
             }
         }
     }
     // MSSQL procedure mode?
     if (isset($node_function['procedure'])) {
         if (strcasecmp($node_function['returns'], 'int') != 0) {
             throw new exception("function " . $node_function['name'] . " error -- mssql procedure functions always return int, update the definition to say so");
         }
         $sql = 'CREATE PROCEDURE ' . mssql10_function::get_declaration($node_schema, $node_function) . "\n" . "  AS \n" . mssql10_function::get_definition($node_function) . "\n" . "; -- DBSTEWARD_PROCEDURE_DEFINITION_END\n";
     }
     // @IMPLEMENT: $node_function['language'] specifier ?
     // @IMPLEMENT: $node_function['cachePolicy'] specifier ?
     // @IMPLEMENT: $node_function['securityDefiner'] specifier ?
     // @IMPLEMENT: $node_function['owner'] specifier ?
     // @IMPLEMENT: $node_function['description'] specifier ?
     foreach (dbx::get_permissions($node_function) as $permission) {
         $grant_sql = mssql10_permission::get_sql(dbsteward::$new_database, $node_schema, $node_function, $permission);
         $sql .= $grant_sql . "\n";
     }
     return $sql;
 }
 /**
  * Returns true if schema contains function with given $declaration, otherwise false.
  *
  * @param $declaration   declaration of the function
  *
  * @return true if schema contains function with given $declaration, otherwise false
  */
 public function contains_function($node_schema, $declaration)
 {
     $found = FALSE;
     foreach (dbx::get_functions($node_schema) as $node_function) {
         if (strcasecmp(mssql10_function::get_declaration($node_schema, $node_function), $declaration) == 0) {
             $found = TRUE;
             break;
         }
     }
     return $found;
 }
 /**
  * Outputs DDL for differences in functions
  *
  * @param $ofs1       stage1 output pointer
  * @param $ofs3       stage3 output pointer
  * @param $old_schema original schema
  * @param $new_schema new schema
  */
 public static function diff_functions($ofs1, $ofs3, $old_schema, $new_schema)
 {
     // drop functions that no longer exist in stage 3
     if ($old_schema != NULL) {
         foreach (dbx::get_functions($old_schema) as $old_function) {
             if (!mssql10_schema::contains_function($new_schema, mssql10_function::get_declaration($new_schema, $old_function))) {
                 $ofs3->write(mssql10_function::get_drop_sql($old_schema, $old_function) . "\n");
             }
         }
     }
     // Add new functions and replace modified functions
     foreach (dbx::get_functions($new_schema) as $new_function) {
         $old_function = NULL;
         if ($old_schema != NULL) {
             $old_function = dbx::get_function($old_schema, $new_function['name'], mssql10_function::get_declaration($new_schema, $new_function));
         }
         if ($old_function == NULL) {
             $ofs1->write(mssql10_function::get_creation_sql($new_schema, $new_function) . "\n");
         } else {
             if (!mssql10_function::equals($new_schema, $new_function, $old_function, mssql10_diff::$ignore_function_whitespace)) {
                 // functions are not equal, old_function is not null, it previously existed
                 // for MSSQL, there is no CREATE OR REPLACE FUNCTION, so drop the function explicitly
                 $ofs1->write(mssql10_function::get_drop_sql($old_schema, $old_function) . "\n");
                 $ofs1->write(mssql10_function::get_creation_sql($new_schema, $new_function) . "\n");
             } else {
                 if (isset($new_function['forceRedefine']) && strcasecmp($new_function['forceRedefine'], 'true') == 0) {
                     $ofs1->write("-- DBSteward insists on function recreation: " . $new_schema['name'] . "." . $new_function['name'] . " has forceRedefine set to true\n");
                     $ofs1->write(mssql10_function::get_creation_sql($new_schema, $new_function) . "\n");
                 } else {
                     if (mssql10_schema::contains_type($new_schema, $new_function['returns']) && mssql10_schema::contains_type($old_schema, $new_function['returns']) && !mssql10_type::equals(dbx::get_type($old_schema, $new_function['returns']), dbx::get_type($new_schema, $new_function['returns']))) {
                         $ofs1->write("-- dbstward insisting on function re-creation " . $new_function['name'] . " for type " . $new_function['returns'] . " definition change\n");
                         $ofs1->write(mssql10_function::get_drop_sql($old_schema, $old_function) . "\n");
                         $ofs1->write(mssql10_function::get_creation_sql($new_schema, $new_function) . "\n");
                     }
                 }
             }
         }
     }
 }
 protected static function update_permissions($ofs1, $ofs3)
 {
     foreach (dbx::get_schemas(dbsteward::$new_database) as $new_schema) {
         $old_schema = dbx::get_schema(dbsteward::$old_database, $new_schema['name']);
         foreach (dbx::get_permissions($new_schema) as $new_permission) {
             if ($old_schema == NULL || !mssql10_permission::has_permission($old_schema, $new_permission)) {
                 $ofs1->write(mssql10_permission::get_sql(dbsteward::$new_database, $new_schema, $new_schema, $new_permission) . "\n");
             }
         }
         foreach (dbx::get_tables($new_schema) as $new_table) {
             $old_table = NULL;
             if ($old_schema != NULL) {
                 $old_table = dbx::get_table($old_schema, $new_table['name']);
             }
             if (!dbsteward::$ignore_oldnames && mssql10_diff_tables::is_renamed_table($new_schema, $new_table)) {
                 // oldTableName renamed table ? skip permission diffing on it, it is the same
                 continue;
             }
             foreach (dbx::get_permissions($new_table) as $new_permission) {
                 if ($old_table == NULL || !mssql10_permission::has_permission($old_table, $new_permission)) {
                     $ofs1->write(mssql10_permission::get_sql(dbsteward::$new_database, $new_schema, $new_table, $new_permission) . "\n");
                 }
             }
         }
         foreach (dbx::get_sequences($new_schema) as $new_sequence) {
             $old_sequence = NULL;
             if ($old_schema != NULL) {
                 $old_sequence = dbx::get_sequence($old_schema, $new_sequence['name']);
             }
             foreach (dbx::get_permissions($new_sequence) as $new_permission) {
                 if ($old_sequence == NULL || !mssql10_permission::has_permission($old_sequence, $new_permission)) {
                     $ofs1->write(mssql10_permission::get_sql(dbsteward::$new_database, $new_schema, $new_sequence, $new_permission) . "\n");
                 }
             }
         }
         foreach (dbx::get_functions($new_schema) as $new_function) {
             $old_function = NULL;
             if ($old_schema != NULL) {
                 $old_function = dbx::get_function($old_schema, $new_function['name'], mssql10_function::get_declaration($new_schema, $new_function));
             }
             foreach (dbx::get_permissions($new_function) as $new_permission) {
                 if ($old_function == NULL || !mssql10_permission::has_permission($old_function, $new_permission)) {
                     $ofs1->write(mssql10_permission::get_sql(dbsteward::$new_database, $new_schema, $new_function, $new_permission) . "\n");
                 }
             }
         }
         foreach (dbx::get_views($new_schema) as $new_view) {
             $old_view = NULL;
             if ($old_schema != NULL) {
                 $old_view = dbx::get_view($old_schema, $new_view['name']);
             }
             foreach (dbx::get_permissions($new_view) as $new_permission) {
                 // if always_recreate_views flag is on, always grant all view permissions, as the view was recreated
                 if (dbsteward::$always_recreate_views || $old_view == NULL || !mssql10_permission::has_permission($old_view, $new_permission) || mssql10_diff_views::is_view_modified($old_view, $new_view)) {
                     // view permissions are in schema stage 3 file because views are (re)created in that stage for SELECT * expansion
                     $ofs3->write(mssql10_permission::get_sql(dbsteward::$new_database, $new_schema, $new_view, $new_permission) . "\n");
                 }
             }
         }
     }
 }
Beispiel #5
0
 public function build_schema($db_doc, $ofs, $table_depends)
 {
     // explicitly create the ROLE_APPLICATION
     // webservers connect as a user granted this role
     $ofs->write("CREATE ROLE " . $db_doc->database->role->application . ";\n");
     // schema creation
     foreach ($db_doc->schema as $schema) {
         $ofs->write(mssql10_schema::get_creation_sql($schema));
         // schema grants
         if (isset($schema->grant)) {
             foreach ($schema->grant as $grant) {
                 $ofs->write(mssql10_permission::get_sql($db_doc, $schema, $schema, $grant) . "\n");
             }
         }
     }
     // types: enumerated list, etc
     foreach ($db_doc->schema as $schema) {
         foreach ($schema->type as $type) {
             $ofs->write(mssql10_type::get_creation_sql($schema, $type) . "\n");
         }
     }
     // function definitions
     foreach ($db_doc->schema as $schema) {
         foreach ($schema->function as $function) {
             if (mssql10_function::has_definition($function)) {
                 $ofs->write(mssql10_function::get_creation_sql($schema, $function));
             }
         }
     }
     $ofs->write("\n");
     // table structure creation
     foreach ($db_doc->schema as $schema) {
         // create defined tables
         foreach ($schema->table as $table) {
             // table definition
             $ofs->write(mssql10_table::get_creation_sql($schema, $table) . "\n");
             // table indexes
             mssql10_diff_indexes::diff_indexes_table($ofs, NULL, NULL, $schema, $table);
             // table grants
             if (isset($table->grant)) {
                 foreach ($table->grant as $grant) {
                     $ofs->write(mssql10_permission::get_sql($db_doc, $schema, $table, $grant) . "\n");
                 }
             }
             $ofs->write("\n");
         }
         // sequences contained in the schema
         if (isset($schema->sequence)) {
             foreach ($schema->sequence as $sequence) {
                 $ofs->write(mssql10_bit_table::get_creation_sql($schema, $sequence) . "\n");
                 // sequence permission grants
                 if (isset($sequence->grant)) {
                     foreach ($sequence->grant as $grant) {
                         $ofs->write(mssql10_permission::get_sql($db_doc, $schema, $sequence, $grant) . "\n");
                     }
                 }
             }
         }
     }
     $ofs->write("\n");
     // define table primary keys before foreign keys so unique requirements are always met for FOREIGN KEY constraints
     foreach ($db_doc->schema as $schema) {
         foreach ($schema->table as $table) {
             mssql10_diff_tables::diff_constraints_table($ofs, NULL, NULL, $schema, $table, 'primaryKey', FALSE);
         }
     }
     $ofs->write("\n");
     // foreign key references
     // use the dependency order to specify foreign keys in an order that will satisfy nested foreign keys and etc
     for ($i = 0; $i < count($table_depends); $i++) {
         $schema = $table_depends[$i]['schema'];
         $table = $table_depends[$i]['table'];
         if ($table['name'] === dbsteward::TABLE_DEPENDENCY_IGNORABLE_NAME) {
             // don't do anything with this table, it is a magic internal DBSteward value
             continue;
         }
         mssql10_diff_tables::diff_constraints_table($ofs, NULL, NULL, $schema, $table, 'constraint', FALSE);
     }
     $ofs->write("\n");
     // trigger definitions
     foreach ($db_doc->schema as $schema) {
         foreach ($schema->trigger as $trigger) {
             // only do triggers set to the current sql format
             if (strcasecmp($trigger['sqlFormat'], dbsteward::get_sql_format()) == 0) {
                 $ofs->write(mssql10_trigger::get_creation_sql($schema, $trigger));
             }
         }
     }
     $ofs->write("\n");
     // view creation
     foreach ($db_doc->schema as $schema) {
         foreach ($schema->view as $view) {
             $ofs->write(mssql10_view::get_creation_sql($schema, $view));
             // view permission grants
             if (isset($view->grant)) {
                 foreach ($view->grant as $grant) {
                     $ofs->write(mssql10_permission::get_sql($db_doc, $schema, $view, $grant) . "\n");
                 }
             }
         }
     }
     $ofs->write("\n");
     // @TODO: database configurationParameter support needed ?
 }