GitHub user chenghao-intel opened a pull request:
https://github.com/apache/spark/pull/1190
Extract the joinkeys from join condition
Extract the join keys from equality conditions, that can be evaluated using
equi-join.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/chenghao-intel/spark extract_join_keys
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/1190.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 #1190
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commit d9d1cabb3ab238621779ee6a4d6e694403b394ea
Author: Cheng Hao <[email protected]>
Date: 2014-06-24T05:32:46Z
Extract the joinkeys from join condition
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