進行邏輯檢查分組查詢結果

Question

我有數據設置如下，

job_id | status 
-------|------- 
    100 | 0 
    100 | 0 
    102 | 1 
    102 | 0 
    104 | 1 
    104 | 1 
--------------- 

查詢處理數據

SELECT job_id, (CASE WHEN FIND_IN_SET(0, GROUP_CONCAT(status)) > 0 THEN FALSE ELSE TRUE END) AS isfinished 
FROM mytable 
GROUP BY job_id 

，其結果是

job_id | isfinished 
-------|----------- 
    100 |  0 
    102 |  0 
    104 |  1 
------------------- 

有任何人都做過這個？也許有更好的方法。

Answer 1

它看起來像你想看看如果最小值是大於0

SELECT job_id, min(status) > 0 AS isfinished 
FROM mytable 
GROUP BY job_id; 

http://sqlfiddle.com/#!2/e4792/4