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ASF GitHub Bot commented on PHOENIX-1715:
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GitHub user shuxiong opened a pull request:
https://github.com/apache/phoenix/pull/40
PHOENIX-1715 Implement Build-in Math function sign
Hi,
I am a student from Peking University, and I'd like to participate GSOC2015.
This patch is an implementation of Build-in math function Sign.
I've already create a subtask[2] under issues [1].
Please help me to check it, and any comments is welcome.
[1] https://issues.apache.org/jira/browse/PHOENIX-1660
[2] https://issues.apache.org/jira/browse/PHOENIX-1715
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/shuxiong/phoenix 4.3
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/phoenix/pull/40.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 #40
----
commit d8c1da5855d209934255f76d02cb05fdefc3ad10
Author: yesx <yeshuxiong@gmail.com>
Date: 2015-03-09T18:13:39Z
PHOENIX-1715 Implement Build-in Math function sign
----
> Implement Build-in math function Sign
> -------------------------------------
>
> Key: PHOENIX-1715
> URL: https://issues.apache.org/jira/browse/PHOENIX-1715
> Project: Phoenix
> Issue Type: Sub-task
> Reporter: Shuxiong Ye
>
> Take a look at the typical math functions that are implemented in relational database
systems (http://www.postgresql.org/docs/current/static/functions-math.html) and implement
the same for Phoenix in Java following this guide: http://phoenix-hbase.blogspot.com/2013/04/how-to-add-your-own-built-in-function.html
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