GitHub user godfreyhe opened a pull request:
https://github.com/apache/flink/pull/3739
[FLINK-6326] [table] add ProjectMergeRule at logical optimization stage
add ProjectMergeRule to merge projections
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/godfreyhe/flink FLINK-6326
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/3739.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 #3739
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commit 1c14d02a4776becbc4147b576d5ee20dd8e15d24
Author: godfreyhe <[email protected]>
Date: 2017-04-19T11:46:18Z
[FLINK-6326] [table] add ProjectMergeRule at logical optimization stage
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