'Return information about primary keys in `table_name`.
Given a string `table_name`, and an optional string `schema`, return
primary key information as a list of column names.'

@deprecated('0.7', 'Call    to    deprecated    method    get_primary_keys.        Use    get_pk_constraint    instead.')
def get_primary_keys(self, table_name, schema=None, **kw):

    return self.dialect.get_pk_constraint(self.bind, table_name, schema, info_cache=self.info_cache, **kw)['constrained_columns']
