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https://issues.apache.org/jira/browse/BEAM-3749?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16390124#comment-16390124
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Xu Mingmin commented on BEAM-3749:
----------------------------------
It doesn't, with {{Window.configure()}} the code is
{code}
input
.apply(Window.into(FixedWindows.of(Duration.standardMinutes(2))))
.apply(Window.<Row>configure().triggering( ... )
.accumulatingFiredPanes()
.withAllowedLateness(Duration.ZERO)
)
.apply( BeamSql.query("SELECT count(*) from PCOLLECTION " ))
{code}
> 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: 2.5.0
>
> Time Spent: 2h 10m
> 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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