[GitHub] incubator-quickstep pull request #231: Implement optimizer and execution lay...

[asfgit]

Github user asfgit closed the pull request at:

https://github.com/apache/incubator-quickstep/pull/231


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[GitHub] incubator-quickstep pull request #231: Implement optimizer and execution lay...

[Terranlee]

GitHub user Terranlee opened a pull request:

https://github.com/apache/incubator-quickstep/pull/231

Implement optimizer and execution layers for UNION and INTERSECT.

This PR implements the logical and physical layers to support UNION and 
INTERSECT operations, and also creates a new UnionAllOperator to do UnionAll 
operation.

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

$ git pull https://github.com/Terranlee/incubator-quickstep 
union-operator-execute

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

https://github.com/apache/incubator-quickstep/pull/231.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 #231


commit 6ff6c34b700eaf84643954914a8344e5b440ec41
Author: Tianrun 
Date:   2017-04-10T16:21:11Z

Implement optimizer and execution layers for UNION and INTERSECT.




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