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mysql唯一索引无重复值报错重复
2022-07-23 09:21:00 【不写bug的程序媛】
如下报错max_index这个唯一索引 重复值
Duplicate entry '12345678999' for key 'max_index'
其实现在数据库 没有'12345678999' 这个值
原因是 我的where 后面的条件能查出两条以上的数据 ，把这两条以上的数据都更改为m=12345678999 而这个m 是唯一索引 所以报错 这个唯一索引 重复
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