GitHub user viirya opened a pull request:
https://github.com/apache/spark/pull/8383
[SPARK-9730][SQL] Add Full Outer Join support for SortMergeJoin
JIRA: https://issues.apache.org/jira/browse/SPARK-9730
This patch adds the Full Outer Join support for SortMergeJoin. A new class
`SortMergeFullJoinScanner` is added to scan rows from left and right iterators.
`FullOuterIterator` is simply a wrapper of type `RowIterator` to consume joined
rows from `SortMergeFullJoinScanner`.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/viirya/spark-1 smj-fullouter
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/8383.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 #8383
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commit 5703d5685ab66742db22f9f6b826fa9cee8f39d5
Author: Liang-Chi Hsieh <[email protected]>
Date: 2015-08-23T17:06:00Z
Add Full Outer Join support for SortMergeJoin.
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