[jira] [Created] (CALCITE-6707) Type inference for CHR function is wrong

[Mihai Budiu (Jira)]

Mihai Budiu created CALCITE-6707:
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             Summary: Type inference for CHR function is wrong
                 Key: CALCITE-6707
                 URL: https://issues.apache.org/jira/browse/CALCITE-6707
             Project: Calcite
          Issue Type: Bug
          Components: core
    Affects Versions: 1.38.0
            Reporter: Mihai Budiu


The return type of CHR is always CHAR(1), and never nullable.
However, if the argument of CHR is nullable, the result should be nullable as 
well.



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