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Posted to dev@calcite.apache.org by "Shuo Cheng (Jira)" <ji...@apache.org> on 2020/06/09 05:29:00 UTC

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

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