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[jira] [Created] (CALCITE-2614) Converting datetime_plus to timestampadd should be done recursively


James Duong created CALCITE-2614:
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             Summary: Converting datetime_plus to timestampadd should be done recursively
                 Key: CALCITE-2614
                 URL: https://issues.apache.org/jira/browse/CALCITE-2614
             Project: Calcite
          Issue Type: Bug
          Components: core
            Reporter: James Duong
            Assignee: Julian Hyde


The method in RexUtil convertDatetimePlusToTimestampAdd() should handle the case where the timestamp operand is another call to Datetime_plus. (eg SELECT <date_column> - interval '1' hour - interval '1' hour)

This can be impemented by having the datetime operand accept the same visitor.



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