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分类: Mysql/postgreSQL

2014-03-31 21:38:52

下面的sql语句报错:sql错误 (1221) :Incorrect usage of union and order by 

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  1. select * from guojia_jingjia where guanzhi='xxx' order by (aaa+bbb+ccc) desc limit 1
  2. union
  3. select * from guojia_jingjia where guanzhi in (...) order by bbb desc limit 4
  4. union
  5. select * from guojia_jingjia where guanzhi in (...) order by aaa desc limit 4
需要修改成如下:

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  1. select * from (select * from (select * from (select * from guojia_jingjia where guanzhi='xxx' order by (aaa+bbb+ccc) desc limit 1)t1
  2. union
  3. select * from (select * from guojia_jingjia where guanzhi in (...) order by bbb desc limit 4) t2
  4. union
  5. select * from guojia_jingjia where guanzhi in (...) order by aaa desc limit 4

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