我在查询时遇到了麻烦。如果有问题，我想加表格。这是我正在使用的查询。我是这些案例陈述的新手，非常感谢您的帮助！$ J( G8 L9 O3 t2 H; U
SELECT conversation.c_id, conversation.user_one, conversation.user_two, users.name, users.lastName FROM `conversation` CASE WHEN conversation.user_one = THEN INNER JOIN `users` ON conversation.two = users.id WHEN conversation.user_two = THEN INNER JOIN `users` ON conversation.user_one = users.id END CASE WHERE `user_one` = 1 OR `user_two` = 3 _6 ?- N4 a" x+ @) S4 D9 `2 y 解决方案:
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2023-09-12
