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From "Mihil Ranathunga (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (PHOENIX-1661) Implement built-in functions for JSON
Date Thu, 12 Mar 2015 09:11:39 GMT

    [ https://issues.apache.org/jira/browse/PHOENIX-1661?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14358215#comment-14358215
] 

Mihil Ranathunga edited comment on PHOENIX-1661 at 3/12/15 9:11 AM:
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Hi, I'm interested in this project for GSOC 2015. I subscribed to the apache phoenix developer
mailing list at dev-subscribe@phoenix.apache.org. Shall i proceed with all communication regarding
this project in that mailing list?



> Implement built-in functions for JSON
> -------------------------------------
>
>                 Key: PHOENIX-1661
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-1661
>             Project: Phoenix
>          Issue Type: Bug
>            Reporter: James Taylor
>              Labels: JSON, Java, SQL, gsoc2015, mentor
>         Attachments: PhoenixJSONSpecification-First-Draft.pdf
>
>
> Take a look at the JSON built-in functions that are implemented in Postgres (http://www.postgresql.org/docs/9.3/static/functions-json.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 functions include ARRAY_TO_JSON, ROW_TO_JSON, TO_JSON, etc. The implementation
of these built-in functions will be impacted by how JSON is stored in Phoenix. See PHOENIX-628.
An initial implementation could work off of a simple text-based JSON representation and then
when a native JSON type is implemented, they could be reworked to be more efficient.



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