GitHub user davies opened a pull request:
https://github.com/apache/spark/pull/11225
[SPARK-13351] [SQL] fix column pruning on Expand
Currently, the columns in projects of Expand that are not used by Aggregate
are not pruned, this PR fix that.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/davies/spark fix_pruning_expand
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/11225.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 #11225
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commit bfa689612d6e5f0b705dd8501404a8c9aed2fdcb
Author: Davies Liu <[email protected]>
Date: 2016-02-17T00:22:26Z
fix column pruning on Expand
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