[GitHub] [spark] AngersZhuuuu commented on pull request #30144: [SPARK-33229][SQL] Support GROUP BY use Separate columns and CUBE/ROLLUP

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AngersZhuuuu commented on pull request #30144:
URL: https://github.com/apache/spark/pull/30144#issuecomment-716442277


   > postgres=# select a, b, c, sum(v) from t group by rollup(a, b), cube(b, c), grouping sets(a, c);
   
   FYI @maropu, for this sql, we should support 
   ```
   SELECT A, B, SUM(C) FROM TBL GROUP BY A, grouping sets(A, B) 
   ```
    first, I will rase a new jira for this.


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