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Posted to issues@flink.apache.org by "godfrey he (JIRA)" <ji...@apache.org> on 2019/04/01 10:35:02 UTC

[jira] [Updated] (FLINK-12076) Add support for generating optimized logical plan for simple group aggregate on batch

     [ https://issues.apache.org/jira/browse/FLINK-12076?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

godfrey he updated FLINK-12076:
-------------------------------
    Summary: Add support for generating optimized logical plan for simple group aggregate on batch  (was: Add support for generating optimized logical plan for batch simple group aggregate)

> Add support for generating optimized logical plan for simple group aggregate on batch
> -------------------------------------------------------------------------------------
>
>                 Key: FLINK-12076
>                 URL: https://issues.apache.org/jira/browse/FLINK-12076
>             Project: Flink
>          Issue Type: New Feature
>          Components: Table SQL / Planner
>            Reporter: godfrey he
>            Assignee: godfrey he
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> To distinguish Window aggregate and Over aggregate, we call the `GROUP BY` aggregate as group aggregate.
> This issue only involves batch group aggregate, stream group aggregate will be finished in new issue due to retraction derivation.
> complex group aggregate(including GROUP SETS and DISTINCT) will also be finished in new issue.



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