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From "Wen-Hsiu,Chang (JIRA)" <>
Subject [jira] [Commented] (PHOENIX-1661) Implement built-in functions for JSON
Date Thu, 04 Jan 2018 13:02:00 GMT


Wen-Hsiu,Chang commented on PHOENIX-1661:

[~lovegn28] and I are in the same group.
And we wrote a get_json_object function below. Please take a look.

> Implement built-in functions for JSON
> -------------------------------------
>                 Key: PHOENIX-1661
>                 URL:
>             Project: Phoenix
>          Issue Type: Sub-task
>            Reporter: James Taylor
>            Assignee: LeiWang
>              Labels: JSON, Java, SQL, gsoc2015, mentor
>         Attachments: Implement built-in functions for JSON.pdf, PHOENIX-1661-00.patch,
PHOENIX-1661.patch, PhoenixJSONSpecification-First-Draft.pdf
> Take a look at the JSON built-in functions that are implemented in Postgres (
and implement the same for Phoenix in Java following this guide:
> 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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