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https://issues.apache.org/jira/browse/FLINK-41056?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated FLINK-41056:
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Labels: pull-request-available (was: )
> Keep non-compact decimals with unscaled value fitting in a long as long to
> avoid BigDecimal on read, add, subtract, cast and deserialize
> ----------------------------------------------------------------------------------------------------------------------------------------
>
> Key: FLINK-41056
> URL: https://issues.apache.org/jira/browse/FLINK-41056
> Project: Flink
> Issue Type: Technical Debt
> Components: Table SQL / Runtime
> Reporter: Sergey Nuyanzin
> Assignee: Sergey Nuyanzin
> Priority: Major
> Labels: pull-request-available
>
> "Fits in a long" means that integer unscaled is within
> {{Long.MIN_VALUE...Long.MAX_VALUE}}. The fraction is always exact, because
> the scale comes from the type and is never rounded away.
> Compact decimals (precision <= 18) already work this way through
> {{longVal}}. The change lets a non-compact value use it too, whenever its
> unscaled value happens to be small enough. {{BigDecimal}} does the same
> internally with
> intCompact and scale.
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