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From "godfrey he (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (FLINK-12076) Add support for generating optimized logical plan for simple group aggregate on batch
Date Mon, 01 Apr 2019 10:35:02 GMT

     [ 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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