GitHub user gatorsmile opened a pull request:
https://github.com/apache/spark/pull/23222
[SPARK-20636] Add the rule TransposeWindow to the optimization batch
## What changes were proposed in this pull request?
This PR is a follow-up of the PR
https://github.com/apache/spark/pull/17899. It is to add the rule the optimizer
batch.
## How was this patch tested?
The existing tests.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/gatorsmile/spark followupSPARK-20636
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/23222.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 #23222
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commit 1270e89026d80c862137c03edbeee53e56f3ed6d
Author: gatorsmile <gatorsmile@...>
Date: 2018-12-05T05:07:00Z
add the rule TransposeWindow to the batch
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