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https://issues.apache.org/jira/browse/CALCITE-2837?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16764481#comment-16764481
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Julian Hyde commented on CALCITE-2837:
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For any numeric literal, the value is a BigDecimal. It’s probably better to use
that than a long, which is lossy. There is already a method to get the value
(as a Comparable - you just need to cast).
> Expose method for getting longValue from RexNode
> ------------------------------------------------
>
> Key: CALCITE-2837
> URL: https://issues.apache.org/jira/browse/CALCITE-2837
> Project: Calcite
> Issue Type: Improvement
> Components: core
> Reporter: Lukas Drbal
> Assignee: Julian Hyde
> Priority: Trivial
> Attachments: 0001-CALCITE-2837-expose-long-value-from-RexNodex.patch
>
>
> As part of [BEAM-6632|https://issues.apache.org/jira/browse/BEAM-6632] i
> would like to expose longValue like intValue. It will help to keep code clean
> and more readable. This can be also helpful for others.
> I'll create path for this.
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