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Posted to issues@flink.apache.org by "Yun Gao (Jira)" <ji...@apache.org> on 2022/04/13 06:28:05 UTC

[jira] [Updated] (FLINK-16466) Group by on event time should produce insert only result

     [ https://issues.apache.org/jira/browse/FLINK-16466?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Yun Gao updated FLINK-16466:
----------------------------
    Fix Version/s: 1.16.0

> Group by on event time should produce insert only result
> --------------------------------------------------------
>
>                 Key: FLINK-16466
>                 URL: https://issues.apache.org/jira/browse/FLINK-16466
>             Project: Flink
>          Issue Type: Improvement
>          Components: Table SQL / Planner
>    Affects Versions: 1.10.0
>            Reporter: Kurt Young
>            Priority: Minor
>              Labels: auto-deprioritized-major
>             Fix For: 1.15.0, 1.16.0
>
>
> Currently when doing aggregation queries, we can output insert only results only when grouping by windows. But when users defined event time and also watermark, we can also support emit insert only results when grouping on event time. To be more precise, it should only require event time is one of the grouping keys. One can think of grouping by event time is kind of a special window, with both window start and window end equals to event time.



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