这两条 sql 语句可否合并为一条？

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SELECT * FROM comments where postId = 92057 AND auditBy IS NOT NULL;
SELECT * FROM comments where postId = 92057 AND auditBy IS NULL AND userId = 1111;

9 条回复

qsl0913

2015-11-17 16:06:50 +08:00

SELECT * FROM comments where postId = 92057 AND (auditBy IS NOT NULL or (auditBy IS NULL AND userId = 1111));

corboy

2015-11-17 16:06:57 +08:00

自己已解决，谢谢。

barbery

2015-11-17 16:07:02 +08:00

要么条件合并： SELECT * FROM comments where postId = 92057 AND auditBy IS NOT NULL OR (auditBy IS NULL AND userId = 1111)
要么链接来执行： SELECT * FROM comments where postId = 92057 AND auditBy IS NOT NULL UNION ALL SELECT * FROM comments where postId = 92057 AND auditBy IS NULL AND userId = 1111;