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https://issues.apache.org/jira/browse/PHOENIX-1661?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14364442#comment-14364442
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renmin commented on PHOENIX-1661:
---------------------------------
HI,
My name is renmin.liu, i am persuing my master degree in Peking university,
My major is software engineering. I am interested in this function and eager to
join this project. I have more than 3 years java work experience before backing
to university again, I was familiar with json and used HBase in one project.
But I have never taken part in open source project before. So hoping get your
more help.
I have gone through the description, I know that the main purpose is
implementing translating between json and other data format or type. I used to
use apache GSON API in many projects, i want to know the difference of the way
of implementing from GSON, and could it refer to GSON's source code. Perhaps it
lies in storage layer. in addition, could you tell me detailed steps i shoud do
next?
thanks james~
> 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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