ck_album_status是一个审核表:
200万条数据
数据结构如下:album_status有new,wait_pass,pass,blocked四种类型
查询业务主要是供后台人员按不同的album_status查询。常用的sql如下:
SELECT album_id from ck_album_status where album_status ='pass' order by album_id asc limit 24 offset 50;
SELECT mm.photo_id FROM ck_photo_status ck, message_message mm WHERE ck.photo_id = mm.photo_id AND ck.photo_status = 'new' AND mm.status IN ( 5, 6, 7 ) AND mm.parent_id IS NULL ORDER BY mm.photo_id asc LIMIT 24 offset 0;
已存在的索引:
现在的问题:
是否需要