GitHub user cloud-fan opened a pull request:
https://github.com/apache/spark/pull/21111
[SPARK-23877][SQL][followup] use PhysicalOperation to simplify the handling
of Project and Filter over partitioned relation
## What changes were proposed in this pull request?
`PhysicalOperation` can collect Project and Filters over a certain plan and
substitute the alias with the original attributes in the bottom plan. We can
use it in `OptimizeMetadataOnlyQuery` rule to handle the Project and Filter
over partitioned relation.
## How was this patch tested?
existing test
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/cloud-fan/spark refactor
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/21111.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 #21111
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commit c3a61902bc3db535c2b77960c0f9c32a1bf7337f
Author: Wenchen Fan <wenchen@...>
Date: 2018-04-20T04:55:15Z
use PhysicalOperation to simplify the handling of Project and Filter over
partitioned relation
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