求写1SQL语句

求写一SQL语句
本帖最后由 xuz0917 于 2013-04-14 15:29:26 编辑

表company
id city top
1 北京,上海 北京
2 济南,石家庄 济南
3 北京 北京

排序规则：
1、搜索“北京”列出`city`中有“北京”的;
2、`top`中有“北京的靠前”;
3、`id`从大到小排列 SQL mysql sql排序 php

------解决方案--------------------

select * from company where city like '%北京%' and top like '北京' order by id desc union select * from company where city like '%北京%' and top not like '北京' order by id desc
------解决方案--------------------

select * from company where city like '%北京%' and top like '北京' order by id desc union select * from company where city like '%北京%' and top not like '北京' order by id desc 

------解决方案--------------------
试试这个，测试可以

SELECT *

FROM test

WHERE city LIKE '%北京%'

ORDER BY (

top LIKE '%北京%'

) DESC , id DESC