GitHub user cloud-fan opened a pull request:
https://github.com/apache/spark/pull/8548
[SPARK-10389][SQL] support order by non-attribute grouping expression on
Aggregate
For example, we can write `SELECT MAX(value) FROM src GROUP BY key + 1
ORDER BY key + 1` in PostgreSQL, and we should support this in Spark SQL.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/cloud-fan/spark support-order-by-non-attribute
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/8548.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 #8548
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commit 479df75e0bc509e525266d68934ead1fcf4f685c
Author: Wenchen Fan <[email protected]>
Date: 2015-09-01T07:26:10Z
support order by non-attribute grouping expression on Aggregate
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