GitHub user watermen opened a pull request:
https://github.com/apache/spark/pull/5290
[SPARK-6583][SQL] Support aggregated function in order by
Spark support the below syntax now(order by alias):
```
SELECT a, sum(b) as sum_b
FROM orderByData
GROUP BY a
ORDER BY sum_b
```
This patch is used to support the syntax below:
```
SELECT a
FROM orderByData
GROUP BY a
ORDER BY sum(b)
```
```
SELECT sum(b)
FROM orderByData
GROUP BY a
ORDER BY sum(b)
```
```
SELECT a, sum(b)
FROM orderByData
GROUP BY a
ORDER BY sum(b)
```
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/watermen/spark SPARK-6583
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/5290.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #5290
----
commit b9b63ac5b175af17c60e97d5c6d220c55a1206c7
Author: Yadong Qi <[email protected]>
Date: 2015-03-28T08:19:49Z
Support aggregated function in order by
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