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Posted to commits@beam.apache.org by "Kishan Kumar (JIRA)" <ji...@apache.org> on 2018/01/24 06:59:00 UTC

[jira] [Updated] (BEAM-3509) PARTITION BY in Beam SQL In Select Command

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

Kishan Kumar updated BEAM-3509:
-------------------------------
    Fix Version/s: 2.3.0

> 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
>            Assignee: Xu Mingmin
>            Priority: Major
>              Labels: performance
>             Fix For: 2.3.0
>
>
> 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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