[jira] [Created] (CALCITE-1652) Allow GROUPING to have multiple arguments, like GROUP_ID

[Julian Hyde (JIRA)]

Julian Hyde created CALCITE-1652:
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             Summary: Allow GROUPING to have multiple arguments, like GROUP_ID
                 Key: CALCITE-1652
                 URL: https://issues.apache.org/jira/browse/CALCITE-1652
             Project: Calcite
          Issue Type: Bug
            Reporter: Julian Hyde
            Assignee: Julian Hyde


When initially added to the SQL standard {{GROUPING}} took one argument, a 
column reference. Now it can have multiple arguments, and is therefore a 
synonym for the {{GROUP_ID}} function.

In SQL standard 2014, see section 6.9 <set function specification>, and 
feature T433, "Multiargument GROUPING function".



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