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 ? }
/** * Updates objects in schemas. * * @param ofs1 stage1 output file segmenter * @param ofs3 stage3 output file segmenter * @param $old_database original database * @param $new_database new database */ private static function update_structure($ofs1, $ofs3) { $type_modified_columns = array(); // drop all views in all schemas, regardless whether dependency order is known or not foreach (dbx::get_schemas(dbsteward::$new_database) as $new_schema) { $old_schema = dbx::get_schema(dbsteward::$old_database, $new_schema['name']); $new_schema = dbx::get_schema(dbsteward::$new_database, $new_schema['name']); mssql10_diff_views::drop_views($ofs1, $old_schema, $new_schema); } //@TODO: implement mssql10_language ? no relevant conversion exists see other TODO's stating this //mssql10_diff_languages::diff_languages($ofs1); // if the table dependency order is unknown, bang them in natural order if (!is_array(mssql10_diff::$new_table_dependency)) { foreach (dbx::get_schemas(dbsteward::$new_database) as $new_schema) { //@NOTICE: @TODO: this does not honor old*Name attributes, does it matter? $old_schema = dbx::get_schema(dbsteward::$old_database, $new_schema['name']); mssql10_diff_types::apply_changes($ofs1, $old_schema, $new_schema, $type_modified_columns); mssql10_diff_functions::diff_functions($ofs1, $ofs3, $old_schema, $new_schema); mssql10_diff_sequences::diff_sequences($ofs1, $old_schema, $new_schema); // remove old constraints before table contraints, so the SQL statements succeed mssql10_diff_tables::diff_constraints($ofs1, $old_schema, $new_schema, 'constraint', TRUE); mssql10_diff_tables::diff_constraints($ofs1, $old_schema, $new_schema, 'primaryKey', TRUE); mssql10_diff_tables::drop_tables($ofs3, $old_schema, $new_schema); mssql10_diff_tables::diff_tables($ofs1, $ofs3, $old_schema, $new_schema); mssql10_diff_indexes::diff_indexes($ofs1, $old_schema, $new_schema); mssql10_diff_tables::diff_clusters($ofs1, $old_schema, $new_schema); mssql10_diff_tables::diff_constraints($ofs1, $old_schema, $new_schema, 'primaryKey', FALSE); mssql10_diff_triggers::diff_triggers($ofs1, $old_schema, $new_schema); } // non-primary key constraints may be inter-schema dependant, and dependant on other's primary keys // and therefore should be done after object creation sections foreach (dbx::get_schemas(dbsteward::$new_database) as $new_schema) { $old_schema = dbx::get_schema(dbsteward::$old_database, $new_schema['name']); mssql10_diff_tables::diff_constraints($ofs1, $old_schema, $new_schema, 'constraint', FALSE); } } else { $processed_schemas = array(); for ($i = 0; $i < count(mssql10_diff::$new_table_dependency); $i++) { // find the necessary pointers $item = mssql10_diff::$new_table_dependency[$i]; // @NOTICE: dbsteward::TABLE_DEPENDENCY_IGNORABLE_NAME is NOT checked here because these are schema operations $new_schema = dbx::get_schema(dbsteward::$new_database, $item['schema']['name']); $old_schema = dbx::get_schema(dbsteward::$old_database, $item['schema']['name']); // do all types and functions on their own before table creation // see next loop for other once per schema work if (!in_array(trim($new_schema['name']), $processed_schemas)) { mssql10_diff_types::apply_changes($ofs1, $old_schema, $new_schema, $type_modified_columns); mssql10_diff_functions::diff_functions($ofs1, $ofs3, $old_schema, $new_schema); $processed_schemas[] = trim($new_schema['name']); } } // remove all old constraints before new contraints, in reverse dependency order for ($i = count(mssql10_diff::$old_table_dependency) - 1; $i >= 0; $i--) { // find the necessary pointers $item = mssql10_diff::$old_table_dependency[$i]; if ($item['table']['name'] === dbsteward::TABLE_DEPENDENCY_IGNORABLE_NAME) { // don't do anything with this table, it is a magic internal DBSteward value continue; } $new_schema = dbx::get_schema(dbsteward::$new_database, $item['schema']['name']); $new_table = NULL; if ($new_schema != NULL) { $new_table = dbx::get_table($new_schema, $item['table']['name']); } $old_schema = dbx::get_schema(dbsteward::$old_database, $item['schema']['name']); $old_table = NULL; if ($old_schema != NULL) { $old_table = dbx::get_table($old_schema, $item['table']['name']); } if ($old_table == NULL) { throw new exception("old_table " . $item['schema']['name'] . "." . $item['table']['name'] . " not found. This is not expected as this reverse constraint loop was based on the old_table_dependency list!"); } // @NOTICE: when dropping constraints, dbx::renamed_table_check_pointer() is not called for $old_table // as mssql10_diff_tables::diff_constraints_table() will do rename checking when recreating constraints for renamed tables mssql10_diff_tables::diff_constraints_table($ofs1, $old_schema, $old_table, $new_schema, $new_table, 'constraint', TRUE); mssql10_diff_tables::diff_constraints_table($ofs1, $old_schema, $old_table, $new_schema, $new_table, 'primaryKey', TRUE); } $processed_schemas = array(); for ($i = 0; $i < count(mssql10_diff::$new_table_dependency); $i++) { // find the necessary pointers $item = mssql10_diff::$new_table_dependency[$i]; $new_schema = dbx::get_schema(dbsteward::$new_database, $item['schema']['name']); $new_table = NULL; if ($new_schema != NULL) { $new_table = dbx::get_table($new_schema, $item['table']['name']); } $old_schema = dbx::get_schema(dbsteward::$old_database, $item['schema']['name']); // schema level stuff should only be done once, keep track of which ones we have done // see above for pre table creation stuff // see below for post table creation stuff if (!in_array($new_schema['name'], $processed_schemas)) { mssql10_diff_sequences::diff_sequences($ofs1, $old_schema, $new_schema); $processed_schemas[] = $new_schema['name']; } if ($item['table']['name'] === dbsteward::TABLE_DEPENDENCY_IGNORABLE_NAME) { // don't do anything with this table, it is a magic internal DBSteward value continue; } $old_table = NULL; if ($old_schema != NULL) { $old_table = dbx::get_table($old_schema, $item['table']['name']); } dbx::renamed_table_check_pointer($old_schema, $old_table, $new_schema, $new_table); mssql10_diff_tables::diff_tables($ofs1, $ofs3, $old_schema, $new_schema, $old_table, $new_table); mssql10_diff_indexes::diff_indexes_table($ofs1, $old_schema, $old_table, $new_schema, $new_table); mssql10_diff_tables::diff_clusters_table($ofs1, $old_schema, $old_table, $new_schema, $new_table); mssql10_diff_tables::diff_constraints_table($ofs1, $old_schema, $old_table, $new_schema, $new_table, 'primaryKey', FALSE); mssql10_diff_triggers::diff_triggers_table($ofs1, $old_schema, $old_table, $new_schema, $new_table); mssql10_diff_tables::diff_constraints_table($ofs1, $old_schema, $old_table, $new_schema, $new_table, 'constraint', FALSE); } // drop old tables in reverse dependency order for ($i = count(mssql10_diff::$old_table_dependency) - 1; $i >= 0; $i--) { // find the necessary pointers $item = mssql10_diff::$old_table_dependency[$i]; if ($item['table']['name'] === dbsteward::TABLE_DEPENDENCY_IGNORABLE_NAME) { // don't do anything with this table, it is a magic internal DBSteward value continue; } $new_schema = dbx::get_schema(dbsteward::$new_database, $item['schema']['name']); $new_table = NULL; if ($new_schema != NULL) { $new_table = dbx::get_table($new_schema, $item['table']['name']); } $old_schema = dbx::get_schema(dbsteward::$old_database, $item['schema']['name']); $old_table = NULL; if ($old_schema != NULL) { $old_table = dbx::get_table($old_schema, $item['table']['name']); } if ($old_table == NULL) { throw new exception("old_table " . $item['schema']['name'] . "." . $item['table']['name'] . " not found. This is not expected as this reverse constraint loop was based on the old_table_dependency list!"); } mssql10_diff_tables::drop_tables($ofs3, $old_schema, $new_schema, $old_table, $new_table); } } // create all views in all schemas, regardless whether dependency order is known or not foreach (dbx::get_schemas(dbsteward::$new_database) as $new_schema) { $old_schema = dbx::get_schema(dbsteward::$old_database, $new_schema['name']); $new_schema = dbx::get_schema(dbsteward::$new_database, $new_schema['name']); mssql10_diff_views::create_views($ofs1, $old_schema, $new_schema); } }
/** * Outputs commands for differences in constraints. * * @param object $ofs output file pointer * @param object $old_schema original schema * @param object $new_schema new schema * @param string $type type of constraints to process * @param boolean $drop_constraints */ public static function diff_constraints($ofs, $old_schema, $new_schema, $type, $drop_constraints) { foreach (dbx::get_tables($new_schema) as $new_table) { if ($old_schema == NULL) { $old_table = NULL; } else { $old_table = dbx::get_table($old_schema, $new_table['name']); } mssql10_diff_tables::diff_constraints_table($ofs, $old_schema, $old_table, $new_schema, $new_table, $type, $drop_constraints); } }