GitHub user JoshRosen opened a pull request:
https://github.com/apache/spark/pull/9447
[SPARK-11486][SQL] Fix TungstenAggregate's handling of empty agg buffers
during fallback
This fixes an issue where TungstenAggregate would extract the wrong
aggregation buffer columns when falling back to sort-based aggregation for
aggregates that have no buffer columns
See https://github.com/apache/spark/pull/9383#issuecomment-153451560 for
more details.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/JoshRosen/spark SPARK-11486
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/9447.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 #9447
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commit ba8bd0745fc43d372f2efbe91dc873f5737375ed
Author: Josh Rosen <[email protected]>
Date: 2015-11-03T22:08:53Z
Add failing regression test.
commit 764a2b25b31c54c1774b3c1941ad200e40228cc2
Author: Josh Rosen <[email protected]>
Date: 2015-11-03T22:11:27Z
Fix using slice
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