需要有关MySQL查询的帮助

Question

Is it possible to edit the query below:

SELECT *
FROM t1    
ORDER BY CASE
    WHEN projects_status = 'active'  THEN 1
    WHEN projects_status = 'expired' THEN 2
    WHEN projects_status = 'closed'  THEN 3
    END 

to have results in the following sorting order:

• Active projects_status ASC
• Expired projects_status DESC
• Closed projects_status DESC

Answer 1

A comparison will return a 0 or 1, where a 0 is normally sorted before a 1. So when you say ASC, you probably want it the return the rows where this is true (1) on top. So you need to use DESC in this case.

ORDER BY
projects_status = 'active' DESC,
projects_status = 'expired' ASC,
projects_status = 'closed' ASC