GitHub user zuyu opened a pull request:
https://github.com/apache/incubator-quickstep/pull/298
Prune columns after partition rule.
This small PR allows to prune columns after partition rule, and thus
improve the query performance by avoiding unused attributes.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/zuyu/incubator-quickstep
prune-columns-after-repartition
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/incubator-quickstep/pull/298.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 #298
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commit 71aa8d265cc2240da0ebf8275a70884002a1ea45
Author: Zuyu Zhang <z...@cs.wisc.edu>
Date: 2017-09-20T00:17:29Z
Prune columns after partition rule.
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