GitHub user marmbrus opened a pull request:
https://github.com/apache/spark/pull/4520
[SPARK-5454] More robust handling of self joins
Also I fix a bunch of bad output in test cases.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/marmbrus/spark selfJoin
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/4520.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 #4520
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commit 55d64b31bfa882a9bf502d02741a9fbb1d457237
Author: Michael Armbrust <[email protected]>
Date: 2015-02-11T03:30:49Z
fix dataframe selfjoins
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