René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Query 类的 or_ 方法和 and_ 方法中存在问题","articleBody":"参考代码 2.9.3 版本：https://github.com/leancloud/python-sdk/blob/v2.9.3/leancloud/query.py#L117\r\n```python\r\nquery = Query(queries[0]._query_class._class_name)\r\n```\r\n\r\n1. 不应该使用 Query 声明新的对象，而应该使用 cls 来声明，否则会导致继承 Query 得来的 MyQuery 类的 or_  方法和 and_ 方法返回父类声明的实例。\r\n```python\r\nIn [1]: from leancloud import Query\r\n\r\nIn [2]: class MyQuery(Query):\r\n   ...:     pass\r\n   ...:\r\n\r\nIn [3]: type(MyQuery('User').or_(MyQuery('User'), MyQuery('User')))\r\nOut[3]: leancloud.query.Query\r\n```\r\n\r\n2. 没有正确处理 ObjectMeta 中特殊处理过的 _ 开头的表。\r\n```python\r\nIn [1]: from leancloud import User\r\n\r\nIn [2]: User.query._query_class\r\nOut[2]: leancloud.user.User\r\n\r\nIn [3]: User.query.or_(User.query, User.query)._query_class\r\nOut[3]: leancloud.object_._User\r\n```","author":{"url":"https://github.com/Ma233","@type":"Person","name":"Ma233"},"datePublished":"2021-05-19T06:55:35.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":2},"url":"https://github.com/516/python-sdk/issues/516"}