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https://issues.apache.org/jira/browse/CALCITE-6662?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated CALCITE-6662:
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Labels: pull-request-available (was: )
> RelJson.rangePointFromJson cannot create Double numerics
> --------------------------------------------------------
>
> Key: CALCITE-6662
> URL: https://issues.apache.org/jira/browse/CALCITE-6662
> Project: Calcite
> Issue Type: Task
> Reporter: Oliver Lee
> Assignee: Oliver Lee
> Priority: Minor
> Labels: pull-request-available
>
> Following CALCITE-2067, RexLiteral has more accurate validation between using
> exact numerics vs approximate numerics to create RexLiterals.
> [RelJson.rangeEndPointFromJson|https://github.com/apache/calcite/blob/2e99d5118efbba21c87e7da08b8359ce296e138d/core/src/main/java/org/apache/calcite/rel/externalize/RelJson.java#L940]
> however only creates all numerics using BigDecimal, and this causes errors
> to be thrown when deserializing rel jsons
> [here|https://github.com/apache/calcite/blob/2e99d5118efbba21c87e7da08b8359ce296e138d/core/src/main/java/org/apache/calcite/rex/RexLiteral.java#L234].
>
>
> I believe the fix would be to allow rangeEndPointFromJson to attempt to cast
> to `Double` first, check if it is the same value prior to casting, otherwise
> continue to cast as BigDecimal, which we use for exact numerics.
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