语法:
WHERE column IN (value1,value2,...) WHERE column NOT IN (value1,value2,...)
①.、in 后面是记录集,如:
select * from table where uname in(select uname from user);
例子:
SELECT * FROM article WHERE uid IN(SELECT uid FROM user WHERE status=0)在这个 SQL 例子里,我们实现了查出所有状态为 0 的用户(可能是被禁止)的所有文章.首先通过一个查询得到所有所有 status=0 的用户:
select * from table where uname in('aaa',bbb','ccc','ddd','eee',ffff'');
foreach (explode(',', $list) as $value) { $rules=$rules."'".$value."',"; } $arr = $this->db->selectAll('slim_auth_rule'," id IN (".$rules."'')",'id,title');
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