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Posted to commits@beam.apache.org by "Xu Mingmin (JIRA)" <ji...@apache.org> on 2017/05/14 18:15:04 UTC

[jira] [Closed] (BEAM-2006) window support

     [ https://issues.apache.org/jira/browse/BEAM-2006?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Xu Mingmin closed BEAM-2006.
----------------------------

> window support 
> ---------------
>
>                 Key: BEAM-2006
>                 URL: https://issues.apache.org/jira/browse/BEAM-2006
>             Project: Beam
>          Issue Type: New Feature
>          Components: dsl-sql
>            Reporter: Xu Mingmin
>            Assignee: Xu Mingmin
>            Priority: Blocker
>             Fix For: Not applicable
>
>
> There're several methods, TUMBLE/HOP/SESSION, introduced in Calcite 1.12, which represent a window-aggregation operation. 
> In BeamSQL, it's expected to leverage these methods to determine window function, set trigger strategy, also handle event_time/watermark properly. 



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