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Feb 18, 2019 Replied to a topic by qwa123 › 程序员 › 小白求大佬帮我看下这条 sql 怎么写 |
可能对于专业的来说太简单了，但我作为一个前端，你这个 sql 着实让我感兴趣了啊。研究了好一会
```
SELECT batchId,
group_concat( CASE WHEN type = 1 THEN
bizId ELSE null END) as "uid",
group_concat( CASE WHEN type = 2 THEN
bizId ELSE null END) as "typeid"
FROM test
GROUP BY batchId;
```
```
SELECT batchId,
group_concat( CASE WHEN type = 1 THEN
bizId ELSE null END) as "uid",
group_concat( CASE WHEN type = 2 THEN
bizId ELSE null END) as "typeid"
FROM test
GROUP BY batchId;
```
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