[GitHub] [incubator-pinot] siddharthteotia commented on issue #6707: Support EXPR_MIN, EXPR_MAX aggregation functions

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siddharthteotia commented on issue #6707:
URL: https://github.com/apache/incubator-pinot/issues/6707#issuecomment-804428351


   Yes, so just like current aggregation functions, it will return one row. If use along with GROUP BY, then there will be as many rows as the number of groups.
   
   The main semantic difference between this and existing aggregation functions is that user may not necessarily want to return the column on which aggregation is computed on. So, that's where this will come handy
   
   I was initially thinking its usage for MIN and MAX only. Generic syntax is good too


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