GitHub user yjshen opened a pull request:
https://github.com/apache/spark/pull/7540
[SPARK-9173][SQL]UnionPushDown should also support Intersect and Except
JIRA: https://issues.apache.org/jira/browse/SPARK-9173
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/yjshen/spark union_pushdown
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/7540.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 #7540
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commit 91741c19bdde30076708e72d62ab2deef24b473e
Author: Yijie Shen <[email protected]>
Date: 2015-07-20T15:31:26Z
Add UnionPushDown support for intersect and except
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