def connect(instance: str,
database: str,
project: Optional[str] = None,
credentials: Optional[auth_credentials.Credentials] = None,
pool: Optional[spanner.Pool] = None,
create_ddl: Optional[Iterable[str]] = None) -> SpannerAdminApi:
"""Connects the global Spanner admin API to a Spanner database."""
connection = api.SpannerConnection(instance,
database,
project=project,
credentials=credentials,
pool=pool,
create_ddl=create_ddl)
return from_connection(connection)
def rollback(args: Any) -> None:
connection = api.SpannerConnection(args.instance, args.database)
executor = migration_executor.MigrationExecutor(connection, args.directory)
executor.rollback(args.name)
def show_migrations(args: Any) -> None:
connection = api.SpannerConnection(args.instance, args.database)
executor = migration_executor.MigrationExecutor(connection, args.directory)
executor.show_migrations()
