[GitHub] [pinot] Jackie-Jiang commented on issue #7524: java.lang.UnsupportedOperationException when filter and group by multi value columns

[GitBox <gi...@apache.org>]

Jackie-Jiang commented on issue #7524:
URL: https://github.com/apache/pinot/issues/7524#issuecomment-934922980


   Pinot does not support distinct on MV columns as of now (this query will be rewritten to a distinct query).
   Can you please try
   ```
   select account_key, count(*) from point_transaction 
   where
     external_id = 'some_id_xxx'
   group by account_key
   ```


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