GitHub user ueshin opened a pull request:
https://github.com/apache/spark/pull/1301
[SPARK-2366] [SQL] Add column pruning for the right side of LeftSemi join.
The right side of `LeftSemi` join needs columns only used in join condition.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/ueshin/apache-spark issues/SPARK-2366
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/1301.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 #1301
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commit e0957b1b6f441703c758b9b83490295760531046
Author: Takuya UESHIN <[email protected]>
Date: 2014-07-04T08:30:54Z
Add column pruning for the right side of LeftSemi join.
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