haohuaijin opened a new issue, #22767:
URL: https://github.com/apache/datafusion/issues/22767

   ### Is your feature request related to a problem or challenge?
   
   when i do one test use below sql, i find the performance is not except
   ```sql
   SELECT
     client_ip,
     approx_distinct(trace_id) AS cnt
   FROM
     "*.parquet"
   GROUP BY
     client_ip ORDER BY cnt DESC LIMIT 10
   ```
   i have 100M rows, and 0.5 M unique client_ip
   datafusli-cli need 900s to get the result, but duckdb only need 3s
   
   
   
   ### Describe the solution you'd like
   
   _No response_
   
   ### Describe alternatives you've considered
   
   _No response_
   
   ### Additional context
   
   _No response_


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