GitHub user twalthr opened a pull request:
https://github.com/apache/flink/pull/1893
[FLINK-3748] [table] Add CASE function to Table API
This PR adds an evaluation function to the Table API that allows for
if/else branching. It also allows `CASE WHEN` syntax in SQL.
I will update the EBNF grammar in the documentation as part of FLINK-3086
next.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/twalthr/flink TableApiCaseWhen
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/1893.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 #1893
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commit 538b7bfae208ef68131bc76fb05c8835cbd55928
Author: twalthr <twal...@apache.org>
Date: 2016-04-13T12:36:36Z
[FLINK-3748] [table] Add CASE function to Table API
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