mysql实现in子句的limit查询 (转)

     

在supesite里面执行一个SQL语句： select * from supe_spaceitems where catid=98 and itemid not in(select itemid from supe_spaceitems where catid=98 and haveattach=1 order by itemid desc limit 1) order by itemid desc limit 3;

发现如下提示： #1235 - This version of MySQL doesn't yet support 'LIMIT & IN/ALL/ANY/SOME subquery'

原因：发现mysql不支持in子句的limit查询

于是，修改语法如下：select * from supe_spaceitems where catid=98 and itemid not in(select t.itemid from(select * from supe_spaceitems where catid=98 and haveattach=1 order by itemid desc limit 1) as t) order by itemid desc limit 3;

 

在MySQL4.1中子查询是不能使用LIMIT的，手册中也明确指明 “This version of MySQL doesn’t yet support ‘LIMIT & IN/ALL/ANY/SOME subquery’ ”

也就是说，这样的语句是不能正确执行的。 select * from table where id in (select id from table limit 10);

但是，，但是，，，只要你再来一层就行。。如： select * from table where id in (select t.id from (select * from table limit 10)as t)

你说说，MySQL是不是很让人无语？？

 

 

经本人测试使用，该方法不错！