GitHub user wangyum opened a pull request:
https://github.com/apache/spark/pull/18206
[SPARK-20754][SQL][FOLLOWUP] Add Function Alias For MOD/POSITION.
## What changes were proposed in this pull request?
https://github.com/apache/spark/pull/18106 Support TRUNC (number), We
should also add function alias for `MOD `and `POSITION`.
`POSITION(substr, str) `is a synonym for `LOCATE(substr,str)`. same as
MySQL:
https://dev.mysql.com/doc/refman/5.7/en/string-functions.html#function_position
## How was this patch tested?
unit tests
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/wangyum/spark SPARK-20754-mod&position
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/18206.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 #18206
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commit 6168d3fd5a2a64c89d1f1896a1537cc6276a738c
Author: Yuming Wang <wgy...@gmail.com>
Date: 2017-06-05T16:16:56Z
Add Function Alias For MOD/POSITION.
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