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https://issues.apache.org/jira/browse/CALCITE-4053?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17128916#comment-17128916
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Shuo Cheng commented on CALCITE-4053:
-------------------------------------
PR: [https://github.com/apache/calcite/pull/2012]
> RexSimplify should not pass exprs containing non-const subExprs to RexExecutor
> ------------------------------------------------------------------------------
>
> Key: CALCITE-4053
> URL: https://issues.apache.org/jira/browse/CALCITE-4053
> Project: Calcite
> Issue Type: Bug
> Components: core
> Affects Versions: 1.23.0
> Reporter: Shuo Cheng
> Assignee: Shuo Cheng
> Priority: Major
> Fix For: 1.24.0
>
>
> Currently in RexSimplify#simplifyCast, if an expression is judged as a const
> expression but the outer CAST can not be removed, we pass the original
> expression to `RexExecutor` to reduce the expression which may leads to
> unexpected exception when the original expression contains `RexInputRef`.
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