GitHub user hvanhovell opened a pull request:
https://github.com/apache/spark/pull/9541
[SPARK-9241][SQL] Supporting multiple DISTINCT columns - follow-up
This PR is a follow up for PR https://github.com/apache/spark/pull/9406. It
adds more documentation to the rewriting rule, removes a redundant if
expression in the non-distinct aggregation path and adds a multiple distinct
test to the AggregationQuerySuite.
cc @yhuai @marmbrus
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/hvanhovell/spark SPARK-9241-followup
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/9541.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 #9541
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commit b1aceec88841729be5400f2a5e244a62ad075fb0
Author: Herman van Hovell <[email protected]>
Date: 2015-11-07T14:43:11Z
Add more documentation. Remove redundant if expression in the non-distinct
code path.
commit 58407c82531e00de1696113c14228c4fe7ed7a56
Author: Herman van Hovell <[email protected]>
Date: 2015-11-07T15:18:00Z
Add more documentation. Remove redundant if expression in the non-distinct
code path.
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