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Posted to commits@beam.apache.org by "Robert Bradshaw (JIRA)" <ji...@apache.org> on 2018/03/01 05:19:00 UTC

[jira] [Commented] (BEAM-3749) support customized trigger/accumulationMode in BeamSql

    [ https://issues.apache.org/jira/browse/BEAM-3749?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16381530#comment-16381530 ] 

Robert Bradshaw commented on BEAM-3749:
---------------------------------------

I wonder if sink-based triggers would be a better fit here than adding triggering to an sql statement. 

> support customized trigger/accumulationMode in BeamSql
> ------------------------------------------------------
>
>                 Key: BEAM-3749
>                 URL: https://issues.apache.org/jira/browse/BEAM-3749
>             Project: Beam
>          Issue Type: Improvement
>          Components: dsl-sql
>            Reporter: Xu Mingmin
>            Assignee: Xu Mingmin
>            Priority: Major
>             Fix For: 2.4.0
>
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> Currently BeamSql use {{DefaultTrigger}} for aggregation operations. 
> By adding two options {{withTrigger(Trigger)}} and {{withAccumulationMode(AccumulationMode)}}, developers can specify their own aggregation strategies with BeamSql.
> [~xumingming] [~kedin] [~kenn] for any comments.



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