heat.db.sqlalchemy.utils module¶

heat.db.sqlalchemy.utils.clone_table(name, parent, meta, newcols=None, ignorecols=None, swapcols=None, ignorecons=None)[source]¶

Helper function that clones parent table schema onto new table.

Parameters:	name – new table name parent – parent table to copy schema from newcols – names of new columns to be added ignorecols – names of columns to be ignored while cloning swapcols – alternative column schema ignorecons – names of constraints to be ignored
Returns:	sqlalchemy.Table instance

heat.db.sqlalchemy.utils.migrate_data(migrate_engine, table, new_table, skip_columns=None)[source]¶

heat.db.sqlalchemy.utils.retry_on_stale_data_error(func)[source]¶