siddharthteotia commented on pull request #6192:
URL: https://github.com/apache/incubator-pinot/pull/6192#issuecomment-716887472


   > > Can we make the sql queries one-to-one mapping with the pql queries?
   > 
   > It's a good idea but the thing is that there are some restrictions in SQL 
comparisons, e.g. in SQL we skip the comparison of MV columns. So if we make it 
one to one mapping, the number of queries will be reduced.
   > Plus, SQL requires the order by column to be appeared in the selection 
clause, which requires us to modify the original queries. And the selection 
queries without order by are missing in the original query files as well, as 
the logic of comparing selection w/o order by is missing in the code.
   
   @jackjlli , SQL doesn't require the order by column to be present in the 
selection clause. May be you meant GROUP BY since that requires the query 
change. Also, I don't think we should skip comparing MV columns for SQL. Why 
can't we leverage the same comparator (that works for PQL) for SQL queries as 
well? Doing 1-1 test between PQL and SQL would be perfect apples to apples 
comparison


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