GitHub user chenghao-intel opened a pull request:
https://github.com/apache/spark/pull/1147
[SQL][SPARK-2212]HashJoin(Shuffled)
Currently only the nested loop join for outer joins, as part of the join
optimization tasks
[SPARK-2211|https://issues.apache.org/jira/browse/SPARK-2212], I initially add
the hash based join for all type of joins.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/chenghao-intel/spark hash_based_outer_join
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/1147.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 #1147
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commit 2165d34a8e06c8dd6ab9a08ed0b64c61ac8fa60c
Author: Cheng Hao <[email protected]>
Date: 2014-06-20T01:13:40Z
Update the doc for the split function in PushPredicateThroughJoin
commit 47c0e7da36503d0e1d41d0ae6727ec5d7d4b2505
Author: Cheng Hao <[email protected]>
Date: 2014-06-20T05:39:18Z
Add HashJoin Support
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