jayzhan211 commented on PR #14392:
URL: https://github.com/apache/datafusion/pull/14392#issuecomment-2629290634

   > It may be a good idea to prefix all function names with spark_ to avoid 
confusion, conflicts, or unknown behavior between functions that share the same 
name.
   
   In optimizer, we rely on the name to do such optimization so if we rename it 
to name like 'spark_count' we might need to add the spark name to those 
optimize rules as well, which increase the maintainence cost. If we assume the  
 datafusion native function and spark function is mutually exclusive (I guess 
we do so) then having consistent name for optimizer is preferred choice.


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