[jira] [Created] (CALCITE-698) For "GROUP BY ()", areColumnsUnique should return true for any key

[Julian Hyde (JIRA)]

Julian Hyde created CALCITE-698:
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             Summary: For "GROUP BY ()", areColumnsUnique should return true 
for any key
                 Key: CALCITE-698
                 URL: https://issues.apache.org/jira/browse/CALCITE-698
             Project: Calcite
          Issue Type: Bug
            Reporter: Julian Hyde
            Assignee: Julian Hyde


For "GROUP BY ()", areColumnsUnique should return true for any key.

Also, add some tests that areColumnsUnique and getUniqueKeys are consistent.



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