[jira] [Updated] (FLINK-24586) SQL functions should return STRING instead of VARCHAR(2000)

["Flink Jira Bot (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-24586?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Flink Jira Bot updated FLINK-24586:
-----------------------------------
    Labels: pull-request-available stale-assigned  (was: pull-request-available)

I am the [Flink Jira Bot|https://github.com/apache/flink-jira-bot/] and I help the community manage its development. I see this issue is assigned but has not received an update in 30 days, so it has been labeled "stale-assigned".
If you are still working on the issue, please remove the label and add a comment updating the community on your progress.  If this issue is waiting on feedback, please consider this a reminder to the committer/reviewer. Flink is a very active project, and so we appreciate your patience.
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> SQL functions should return STRING instead of VARCHAR(2000)
> -----------------------------------------------------------
>
>                 Key: FLINK-24586
>                 URL: https://issues.apache.org/jira/browse/FLINK-24586
>             Project: Flink
>          Issue Type: Improvement
>          Components: Table SQL / API
>            Reporter: Ingo Bürk
>            Assignee: Nicholas Jiang
>            Priority: Major
>              Labels: pull-request-available, stale-assigned
>             Fix For: 1.15.0
>
>
> There are some SQL functions which currently return VARCHAR(2000). With more strict CAST behavior from FLINK-24413, this could become an issue.
> The following functions return VARCHAR(2000) and should be changed to return STRING instead:
> * JSON_VALUE
> * JSON_QUERY
> * JSON_OBJECT
> * JSON_ARRAY
> There are also some more functions which should be evaluated:
> * CHR
> * REVERSE
> * SPLIT_INDEX
> * PARSE_URL
> * FROM_UNIXTIME
> * DECODE



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