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https://issues.apache.org/jira/browse/BEAM-4096?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16447521#comment-16447521
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Eugene Kirpichov commented on BEAM-4096:
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Quick comment: making Method a ValueProvider is currently impossible because
ValueProvider's can not affect the shape of the graph (because their values are
unknown at the time the graph is constructed).
> BigQueryIO ValueProvider support for Method and Triggering Frequency
> --------------------------------------------------------------------
>
> Key: BEAM-4096
> URL: https://issues.apache.org/jira/browse/BEAM-4096
> Project: Beam
> Issue Type: Improvement
> Components: io-java-gcp
> Affects Versions: 2.4.0
> Reporter: Ryan McDowell
> Priority: Minor
> Fix For: 2.5.0
>
>
> Enhance BigQueryIO to accept ValueProviders for:
> * withMethod(..)
> * withTriggeringFrequency(..)
> * withNumFileShards(..)
> It would allow Dataflow templates to accept these parameters at runtime
> instead of being hardcoded. This opens up the ability to create Dataflow
> templates which allow users to flip back-and-forth between batch and
> streaming inserts.
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