[GitHub] incubator-quickstep pull request #79: Constructed Generators once in the opt...

[zuyu]

Github user zuyu closed the pull request at:

https://github.com/apache/incubator-quickstep/pull/79


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[GitHub] incubator-quickstep pull request #79: Constructed Generators once in the opt...

[zuyu]

GitHub user zuyu opened a pull request:

https://github.com/apache/incubator-quickstep/pull/79

Constructed Generators once in the optimizer.

Instead of creating generators each time per query, do so once, and reuse 
the instances for every query.

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

$ git pull https://github.com/apache/incubator-quickstep refactor-optimizer

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

https://github.com/apache/incubator-quickstep/pull/79.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 #79


commit 15d2cbd6d7f3814956bf92e264a34d7064d7dfc7
Author: Zuyu Zhang 
Date:   2016-08-04T00:19:07Z

Constructed Generators once in the optimizer.




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