[jira] [Updated] (PHOENIX-1710) Implement the json_extract_path_text built-in function

["James Taylor (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/PHOENIX-1710?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

James Taylor updated PHOENIX-1710:
----------------------------------
    Assignee:     (was: Aakash Pradeep)

> Implement the json_extract_path_text built-in function
> ------------------------------------------------------
>
>                 Key: PHOENIX-1710
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-1710
>             Project: Phoenix
>          Issue Type: Sub-task
>            Reporter: James Taylor
>             Fix For: 4.4.1
>
>
> Implement the json_extract_path_text modeled after the Postgres function. This function returns JSON pointed to by the path elements argument. In Phoenix, it could be implemented like this:
> {code}
> VARCHAR json_extract_path_text (VARCHAR json, VARCHAR ARRAY path_elems paths)
> {code}
> For example:
> {code}
> SELECT json_extract_path_text(json_col, ARRAY['f4','f6']) FROM my_table;
> {code}



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