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From twalthr <...@git.apache.org>
Subject [GitHub] flink pull request: [FLINK-3498] Implement TRIM, SUBSTRING as refe...
Date Tue, 01 Mar 2016 09:40:54 GMT
GitHub user twalthr opened a pull request:

    https://github.com/apache/flink/pull/1747

    [FLINK-3498] Implement TRIM, SUBSTRING as reference design for Table API

    This PR implements `TRIM` and `SUBSTRING` for the Table API. It generalizes all calls
to the expression `Call` which allows to add functions easier and override functions later.
`TRIM` is an example for a special function as it uses some symbols like `BOTH`, `LEADING`
etc. and special syntax.
    
    After this PR has been merged, I would continue with this design for FLINK-3497.

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

    $ git pull https://github.com/twalthr/flink scalarFunctions1

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

    https://github.com/apache/flink/pull/1747.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 #1747
    
----
commit 7f7383d51959d1d2f8ecfdbcb8d454db06af9858
Author: twalthr <twalthr@apache.org>
Date:   2016-03-01T09:24:41Z

    [FLINK-3498] Implement TRIM, SUBSTRING as reference design for Table API

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