GitHub user wuchong opened a pull request:
https://github.com/apache/flink/pull/2560
[FLINK-4068] [table] Move constant computations out of code-generated
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The origin PR is #2102. This PR makes `ReduceExpressionsRules` take effect.
This rule can reduce constant expressions and replacing them with the
corresponding constant.
And add some tests.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/wuchong/flink reduce-expression-FLINK-4068
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/2560.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 #2560
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commit 22a0f2e949e524e20151c11cc83bd6e1e4f2a1b2
Author: Jark Wu <wuchong...@alibaba-inc.com>
Date: 2016-09-28T02:31:59Z
[FLINK-4068] [table] Move constant computations out of code-generated
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