[jira] [Created] (CALCITE-7696) COVAR result type is derived only from first argument type

[Mihai Budiu (Jira)]

Mihai Budiu created CALCITE-7696:
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             Summary: COVAR result type is derived only from first argument type
                 Key: CALCITE-7696
                 URL: https://issues.apache.org/jira/browse/CALCITE-7696
             Project: Calcite
          Issue Type: Bug
          Components: core
    Affects Versions: 1.42.0
            Reporter: Mihai Budiu
            Assignee: Mihai Budiu


COVAR coerces the second argument to the type of the first.

So COVAR(INT, DOUBLE) will actually compute on INT. Perhaps leastRestrictive 
should be used instead.



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