MySQL mysql按多个项目查询顺序
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时间：2020-08-31 18:37:41 来源:igfitidea点击:
mysql query order by multiple items
提问by Alexander
is is possible to order by multiple rows?
可以按多行订购吗？
I want my users to be sorted by last_activity, but at the same time, i want the users with pictures to appear before the ones without
我希望我的用户按 last_activity 排序，但同时，我希望有图片的用户出现在没有图片的用户之前
Something like this:
像这样的东西：
SELECT some_cols
FROM `prefix_users`
WHERE (some conditions)
ORDER BY last_activity, pic_set DESC;
回答by ihorko
SELECT some_cols
FROM prefix_users
WHERE (some conditions)
ORDER BY pic_set DESC, last_activity;
回答by eumiro
Sort by picture and then by activity:
按图片排序，然后按活动排序：
SELECT some_cols
FROM `prefix_users`
WHERE (some conditions)
ORDER BY pic_set, last_activity DESC;
回答by Pankaj Yadav
SELECT id, user_id, video_name
FROM sa_created_videos
ORDER BY LENGTH(id) ASC, LENGTH(user_id) DESC
