def test_left_join(self, *, table):
table._join = Mock(name='join')
ret = table.left_join(User.id, User.name)
table._join.assert_called_once_with(
joins.LeftJoin(stream=table, fields=(User.id, User.name)),
)
assert ret is table._join()
def left_join(self, *fields: FieldDescriptorT) -> StreamT:
"""Left join of this table and another stream/table."""
return self._join(joins.LeftJoin(stream=self, fields=fields))
def left_join(self, *fields: FieldDescriptorT) -> StreamT:
return self._join(joins.LeftJoin(stream=self, fields=fields))
