gabotechs commented on PR #23975:
URL: https://github.com/apache/datafusion/pull/23975#issuecomment-5214995064

   Also, @alamb, @kosiew and @Omega359, just to be upfront with the intentions 
of this cli. The idea would be to follow up immediately by opening a bunch of 
easily reproducible Github issues with improvement opportunities in the stats 
propagation logic and link them to 
https://github.com/apache/datafusion/issues/8227.
   
   I'm expecting to create a bunch of issues that follow the same template:
   
   - Title: Improve stats estimation accuracy in X operator
   - Description: 
     - The operator that is reporting high q-error on planing stats vs runtime 
metrics, and by how much it misses on estimations
     - The `dfbench statistics ...` command that reproduces the issue
     - The success criteria that qualifies an improvement in stats estimation 
there (e.g., lower q-error + no regressions in other operators)


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