dal.py 文件源码

def belongs(self, *value):
        """
        Accepts the following inputs:
           field.belongs(1,2)
           field.belongs((1,2))
           field.belongs(query)

        Does NOT accept:
           field.belongs(1)
        """
        db = self.db
        if len(value) == 1:
            value = value[0]
        if isinstance(value,Query):
            value = db(value)._select(value.first._table._id)
        return Query(db, db._adapter.BELONGS, self, value)