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https://issues.apache.org/jira/browse/BEAM-12754?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kenneth Knowles updated BEAM-12754:
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Status: Open (was: Triage Needed)
> RowCoderGenerator calls getValue multiple times
> -----------------------------------------------
>
> Key: BEAM-12754
> URL: https://issues.apache.org/jira/browse/BEAM-12754
> Project: Beam
> Issue Type: Improvement
> Components: sdk-java-core
> Affects Versions: 2.31.0
> Reporter: Steve Niemitz
> Assignee: Steve Niemitz
> Priority: P2
>
> RowCoderGenerator.encodeDelegate calls getValue for each field on a row
> twice, one to check if it is null in scanNullFields, and one to actually get
> the value to be encoded.
> If getValue is expensive (for example, it has to recursively adapt a type to
> a beam Row), this causes unneeded extra work.
> Instead we could call value.getValues to get all values once, then pass them
> to scanNullFields and re-use them when encoding the values.
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