ArnavBalyan opened a new pull request, #8161:
URL: https://github.com/apache/incubator-gluten/pull/8161

   ## What changes were proposed in this pull request?
   - Currently the range operator fallsback leads to R2C overhead for 
downstream operators in velox.
   - Added support for RangeExec which produces range in columnar batches.
   - In the future the range generation can itself be offloaded to velox 
backend. 
   
   ## How was this patch tested?
   <img width="999" alt="image" 
src="https://github.com/user-attachments/assets/b32d5db1-a3fe-4647-9dc4-ef3bfdb0f2dd";>
   
    - Plan reflects the new operator
    - Added unit tests
   
   


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