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https://issues.apache.org/jira/browse/FLINK-24586?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated FLINK-24586:
-----------------------------------
Labels: pull-request-available (was: )
> 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
> Priority: Major
> Labels: pull-request-available
>
> 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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