GitHub user viirya opened a pull request:
https://github.com/apache/spark/pull/21291
[SPARK-24242][SQL] RangeExec should have correct outputOrdering
## What changes were proposed in this pull request?
Logical `Range` node has been added with `outputOrdering` recently. It's
used to eliminate redundant `Sort` during optimization. However, this
`outputOrdering` doesn't not propagate to physical `RangeExec` node.
## How was this patch tested?
Added test.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/viirya/spark-1 SPARK-24242
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/21291.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 #21291
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commit 30b42d542b76c7e2e3b755515efbb530bb06509a
Author: Liang-Chi Hsieh <viirya@...>
Date: 2018-05-10T10:30:48Z
RangeExec should have correct outputOrdering.
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