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Posted to issues@flink.apache.org by "Xintong Song (Jira)" <ji...@apache.org> on 2023/03/23 08:52:19 UTC

[jira] [Updated] (FLINK-20110) Support 'merge' method for first_value and last_value UDAF

     [ https://issues.apache.org/jira/browse/FLINK-20110?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Xintong Song updated FLINK-20110:
---------------------------------
    Fix Version/s: 1.18.0
                       (was: 1.17.0)

> Support 'merge' method for first_value and last_value UDAF
> ----------------------------------------------------------
>
>                 Key: FLINK-20110
>                 URL: https://issues.apache.org/jira/browse/FLINK-20110
>             Project: Flink
>          Issue Type: Improvement
>          Components: Table SQL / Runtime
>    Affects Versions: 1.12.0
>            Reporter: hailong wang
>            Priority: Major
>              Labels: auto-unassigned, pull-request-available
>             Fix For: 1.18.0
>
>
> From the user-zh email,  when use first_value function in hop window, It throws the exception because first_vaue does not implement the merge method.
> We can support 'merge' method for first_value and last_value UDAF



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