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Posted to issues@calcite.apache.org by "Shuo Cheng (Jira)" <ji...@apache.org> on 2020/06/09 05:30:00 UTC

[jira] [Updated] (CALCITE-4053) RexSimplify should not pass exprs containing non-const subExprs to RexExecutor

     [ https://issues.apache.org/jira/browse/CALCITE-4053?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Shuo Cheng updated CALCITE-4053:
--------------------------------
    Summary: RexSimplify should not pass exprs containing non-const subExprs to RexExecutor  (was: RexSimplify should not pass exprs containing non-const subExprs to RexExecutor#reduce)

> 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
>            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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