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https://issues.apache.org/jira/browse/PHOENIX-1660?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14362376#comment-14362376
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Rishal Shah commented on PHOENIX-1660:
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Hello,
I am Rishal Shah, an engineering student from Mumbai, India. I am interested in
contributing to this issue as a project in GSOC for this year.
I have gone through the links that are given in the project description. I have
also read how to implement new functions using JAVA code link. I am well versed
with coding in JAVA and also in handling Databases. I would like to build new
functions for Phoenix and contribute to this project in whichever way possible.
So can someone help me with the minimum requirements for this project. Waiting
for a positive reply soon.
Thanks,
Rishal Shah
> Implement missing math built-in functions
> -----------------------------------------
>
> Key: PHOENIX-1660
> URL: https://issues.apache.org/jira/browse/PHOENIX-1660
> Project: Phoenix
> Issue Type: Bug
> Reporter: James Taylor
> Labels: Java, SQL, gsoc2015, mentor
>
> 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
> Examples of missing functions include POWER, LOG, EXP, SQRT, CBRT, etc. As a
> guide, examine how ROUND is implemented in Phoenix as an abstract function
> with concrete functions per type: long, decimal, and date/time types.
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