Jefffrey commented on issue #4874:
URL: 
https://github.com/apache/arrow-datafusion/issues/4874#issuecomment-1401676081

   This seems to be working as intended, since the subquery is incorrect:
   
   ```sql
   select id, max(id) max_id from users
   ```
   
   If you specify a non-aggregate column in the project list then you also need 
a group by, like so:
   
   ```sql
   select id, max(id) max_id from users group by id
   ```
   
   Though I'm not sure what your query is intended to do.


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