diff options
Diffstat (limited to 'phpBB/includes/db/migration/migration.php')
| -rw-r--r-- | phpBB/includes/db/migration/migration.php | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/phpBB/includes/db/migration/migration.php b/phpBB/includes/db/migration/migration.php index 5f1f0443db..61fbf04320 100644 --- a/phpBB/includes/db/migration/migration.php +++ b/phpBB/includes/db/migration/migration.php @@ -94,6 +94,16 @@ abstract class phpbb_db_migration } /** + * Reverts the database schema by providing a set of change instructions + * + * @return array Array of schema changes (compatible with db_tools->perform_schema_changes()) + */ + public function revert_schema() + { + return array(); + } + + /** * Updates data by returning a list of instructions to be executed * * @return array Array of data update instructions @@ -104,6 +114,19 @@ abstract class phpbb_db_migration } /** + * Reverts data by returning a list of instructions to be executed + * + * @return array Array of data instructions that will be performed on revert + * NOTE: calls to tools (such as config.add) are automatically reverted when + * possible, so you should not attempt to revert those, this is mostly for + * otherwise unrevertable calls (custom functions for example) + */ + public function revert_data() + { + return array(); + } + + /** * Wrapper for running queries to generate user feedback on updates * * @param string $sql SQL query to run on the database |