GitHub user viirya opened a pull request:
https://github.com/apache/spark/pull/11537
[SPARK-13616][SQL] Following PR for SPARK-13616
## What changes were proposed in this pull request?
As all operators except Join should support converting back to SQL when it
is top node. We should only take care of Join for this purpose.
## How was this patch tested?
All existing tests should be passed.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/viirya/spark-1 fix-spark-13616
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/11537.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 #11537
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commit 1ae4f8bcbe3d3047fecd97e8d3c86dfe6c267396
Author: Liang-Chi Hsieh <[email protected]>
Date: 2016-03-05T09:21:52Z
Currently we only need to take care of Join for this.
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