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https://issues.apache.org/jira/browse/BEAM-3509?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xu Mingmin reassigned BEAM-3509:
--------------------------------

    Assignee:     (was: Xu Mingmin)

> PARTITION BY in Beam SQL In Select Command
> ------------------------------------------
>
>                 Key: BEAM-3509
>                 URL: https://issues.apache.org/jira/browse/BEAM-3509
>             Project: Beam
>          Issue Type: New Feature
>          Components: dsl-sql
>    Affects Versions: 2.2.0
>            Reporter: Kishan Kumar
>            Priority: Major
>              Labels: performance
>
> Partition By Option Will Be Very Help Full for DataFlow Developer To Migrate 
> Query and Do Transformation on That because of Many *Netezza Query and Oracle 
> Query* Consists Of Partition By Which Makes SQL Query More Efficient. *The 
> alternative is Making Joins And Filtering It Can Be Done But It Makes Code 
> Unreadable And Performance Become bad for DataFlow Job.*
> Examples: SELECT MIN(COLUMN) OVER (PARTITION BY COLUMN NAME) FROM TABLENAME



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