The oslo_db.sqlalchemy.migration_cli.ext_migrate Module¶

class oslo_db.sqlalchemy.migration_cli.ext_migrate.MigrateExtension(engine, migration_config)¶

Bases: oslo_db.sqlalchemy.migration_cli.ext_base.MigrationExtensionBase

Extension to provide sqlalchemy-migrate features.

Parameters:	migration_config (dict) – Stores specific configuration for migrations

downgrade(version)¶

Used for downgrading database.

Parameters:	version (string) – Desired database version

enabled¶

has_revision(rev_id)¶

Checks whether the repo contains a revision

Parameters:	rev_id – Revision to check
Returns:	Whether the revision is in the repo
Return type:	bool

order = 1¶

upgrade(version)¶

Used for upgrading database.

Parameters:	version (string) – Desired database version

version()¶

Current database version.

Returns:	Databse version
Return type:	string