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Posted to issues@flink.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2020/12/14 11:47:00 UTC

[jira] [Updated] (FLINK-20522) Make implementing a built-in function straightforward

     [ https://issues.apache.org/jira/browse/FLINK-20522?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated FLINK-20522:
-----------------------------------
    Labels: pull-request-available  (was: )

> Make implementing a built-in function straightforward
> -----------------------------------------------------
>
>                 Key: FLINK-20522
>                 URL: https://issues.apache.org/jira/browse/FLINK-20522
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Table SQL / API, Table SQL / Planner
>            Reporter: Timo Walther
>            Assignee: Timo Walther
>            Priority: Major
>              Labels: pull-request-available
>
> FLIP-65 has introduced new abstractions for functions. They make implementing user-defined functions straightforward. However, currently, these abstraction are not available for built-in functions. Adding a built-in function requires many changes at different locations as shown in FLINK-6810. This is error-prone, limits contributions, and is also not well supported by the current module system.



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