GitHub user cloud-fan opened a pull request:
https://github.com/apache/spark/pull/21574
[SPARK-24478][SQL][followup] Move projection and filter push down to
physical conversion
## What changes were proposed in this pull request?
This is a followup of https://github.com/apache/spark/pull/21503, to
completely move operator pushdown to the planner rule.
The code are mostly from https://github.com/apache/spark/pull/21319
## How was this patch tested?
existing tests
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/cloud-fan/spark followup
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/21574.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 #21574
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commit 1aeb6ab09d4ac5c85a339edd6de3cab6bab47f5b
Author: Wenchen Fan <wenchen@...>
Date: 2018-06-15T04:29:57Z
move pushdown logic to the planner rule
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