GitHub user clarkyzl opened a pull request:
https://github.com/apache/flink/pull/3553
[FLINK-6068] [table] Support If() in built in function of TableAPI
Type: Improvement
Priority: Major
Components: table, udf
Problem Definition: We didn't register the if() in the function category.
We didn't support syntax 'if(a, b, c)'.
Design:
1. Register If in function category.
1. Add some tests.
Impact Analysis: A newly registered function, without more impacts on
others.
Test:
`mvn clean verify` is done
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/clarkyzl/flink flink-6068
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/3553.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 #3553
----
commit fcc82d7ff106af7315d8e0f57993212e8221e9e9
Author: Zhuoluo Yang <[email protected]>
Date: 2017-03-16T08:07:33Z
[FLINK-6068] [table] Support If() in built in function of TableAPI
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