Re: [PR] Add a fast path for `optimize_projection` [datafusion]

[via GitHub]

xudong963 commented on PR #15746:
URL: https://github.com/apache/datafusion/pull/15746#issuecomment-2814871592

   > > sql planner benchmarks
   > 
   > Do we have some existing sql planner benchmarks?
   
   Also, there is a real production case:
   
![image](https://github.com/user-attachments/assets/fcfdceaa-b5ba-4e5f-8135-3b543cb7b409)
   
   The `optimize_projection` matches 10.9%, and the cost of 
`merge_consecutive_projections` in the green box occupies about 5%


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