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]¶