def join(left, right, onclause=None, isouter=False, join_to_left=None):
    return _ORMJoin(left, right, onclause, isouter)
Produce an inner join between left and right clauses.
dataset/ETHPy150Open goFrendiAsgard/kokoropy/kokoropy/packages/sqlalchemy/orm/util.py/join