def __init__(self, query, parent):
        self._query = query
        self._parent = parent
        self._related = query.get_model()
        self._extra_query = None

        self.add_constraints()
storage_expr : NAME NAME COLON NAME NEWLINE
dataset/ETHPy150Open sdispater/orator/orator/orm/relations/relation.py/Relation.__init__--crossover with--dataset/ETHPy150Open nucleic/enaml/enaml/core/parser.py/p_storage_expr2