SQL select其中id ='x'的所有记录的状态为'y'

Question

我有一个表incoming，其中包含电子邮件列表及其附件。

我导入每个附着物的，并对其进行处理，此时作为5

当个人的电子邮件中的所有行被标记为5该行被标记的话，我可以移动/删除的电子邮件，因为它已被正确处理。

不过，我挣扎写一个SQL查询是选择msg_uid，因为具有相同msg_uid所有行的5

例表

----------------------------------------------------- 
| id | STATUS | i2d_id | msg_uid | i2d_msg   | 
----------------------------------------------------- 
| 16 | 5  | 98390 | 53  | Result is ready. | 
----------------------------------------------------- 
| 17 | 3  | 98391 | 53  | Result is ready. | 
----------------------------------------------------- 
| 18 | 5  | 98392 | 53  | Result is ready. | 
----------------------------------------------------- 
| 19 | 3  | 98393 | 53  | Result is ready. | 
----------------------------------------------------- 
| 20 | 5  | 98394 | 53  | Result is ready. | 
----------------------------------------------------- 

状态这不会允许我删除的电子邮件（有些人状态3

但

----------------------------------------------------- 
| id | STATUS | i2d_id | msg_uid | i2d_msg   | 
----------------------------------------------------- 
| 16 | 5  | 98390 | 53  | Result is ready. | 
----------------------------------------------------- 
| 17 | 5  | 98391 | 53  | Result is ready. | 
----------------------------------------------------- 
| 18 | 5  | 98392 | 53  | Result is ready. | 
----------------------------------------------------- 
| 19 | 5  | 98393 | 53  | Result is ready. | 
----------------------------------------------------- 
| 20 | 5  | 98394 | 53  | Result is ready. | 
----------------------------------------------------- 

会成功。

Answer 1

SELECT msg_uid 
FROM yourTable 
GROUP BY msg_uid 
HAVING COUNT(*) = COUNT(CASE WHEN STATUS = 5 THEN 1 END) 

Answer 2

此查询会让同比找到每一个结果，所有的STATUS值是5特定msg_uid：

SELECT * 
FROM incoming i 
WHERE NOT EXISTS(SELECT 1 FROM incoming 
       WHERE msg_uid = i.msg_uid 
       AND `status` <> 5);