GitHub user cloud-fan opened a pull request:
https://github.com/apache/spark/pull/19036
[SPARK-21826][SQL] outer broadcast hash join should not throw NPE
## What changes were proposed in this pull request?
This is a bug introduced by
https://github.com/apache/spark/pull/11274/files#diff-7adb688cbfa583b5711801f196a074bbL274
.
Non-equal join condition should only be applied when the equal-join
condition matches.
## How was this patch tested?
regression test
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/cloud-fan/spark bug
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/19036.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 #19036
----
commit 5d0548d3d3204f045b95df85f3941ce63f1b1974
Author: Wenchen Fan <wenc...@databricks.com>
Date: 2017-08-24T08:15:31Z
outer broadcast hash join should not throw NPE
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