GitHub user yhuai opened a pull request:
https://github.com/apache/spark/pull/13290
[SQL] Prevent illegal NULL propagation when filtering outer-join results
## What changes were proposed in this pull request?
This is another approach for addressing SPARK-13484 (the first approach is
https://github.com/apache/spark/pull/11371).
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/yhuai/spark SPARK-13484
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/13290.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 #13290
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commit 2dcecc8a934d6224d7680f5d25b7a98c53779d79
Author: Takeshi YAMAMURO <[email protected]>
Date: 2016-02-25T15:56:29Z
Avoid illegal NULL propagation
commit 1ebfa80e8d52d959ffc98d191019b9e4242dd4a6
Author: Takeshi YAMAMURO <[email protected]>
Date: 2016-02-26T07:48:11Z
Add comments
commit ab5d4f1174839abbd7f33cf587f75ae75cc76b68
Author: Takeshi YAMAMURO <[email protected]>
Date: 2016-02-27T15:16:54Z
Add a new rule to solve illegal references
commit 8850cb3046a302afd012e4508bf8bfbd9f59051d
Author: Takeshi YAMAMURO <[email protected]>
Date: 2016-03-02T06:19:59Z
Use foreach not map
commit b636b34bbe09f4152567b15b1fae30f76f7ffe55
Author: Takeshi YAMAMURO <[email protected]>
Date: 2016-04-15T02:17:01Z
Solve illegal references in Projects
commit dfd952870d0b157dc8571ddee053a9fe91d372ed
Author: Takeshi YAMAMURO <[email protected]>
Date: 2016-04-15T04:28:38Z
Add tests in DataFrameJoinSuite
commit 78ed4ef7a5d6c4565efd468cc48d6bfd1321f08b
Author: Takeshi YAMAMURO <[email protected]>
Date: 2016-04-15T08:44:34Z
Fix test codes in ResolveNaturalJoinSuite
commit 3cec4cce8126faae615990c56f829368f306b55e
Author: Yin Huai <[email protected]>
Date: 2016-05-25T06:16:30Z
Try to have a rule to fix nullability
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