GitHub user dilipbiswal opened a pull request:

    https://github.com/apache/spark/pull/22080

    [SPARK-25092] Add RewriteExceptAll and RewriteIntersectAll in the list of 
nonExcludableRules

    ## What changes were proposed in this pull request?
    Add RewriteExceptAll and RewriteIntersectAll in the list of 
nonExcludableRules as the rewrites are essential for the functioning of EXCEPT 
ALL and INTERSECT ALL feature. 
    
    ## How was this patch tested?
    Added test in OptimizerRuleExclusionSuite.

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/dilipbiswal/spark exceptall_rewrite_exclusion

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/spark/pull/22080.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 #22080
    
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commit a13150b186a1be3e5811c40814c5949da8e113ca
Author: Dilip Biswal <dbiswal@...>
Date:   2018-08-11T18:53:36Z

    [SPARK-25092] Add RewriteExceptAll and RewriteIntersectAll in the list of 
nonExcludableRules

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