2010YOUY01 commented on PR #24519:
URL: https://github.com/apache/datafusion/pull/24519#issuecomment-5357837022

   Thank you! This PR does 1) perf 2) fix float +0.0 and -0.0 normalization, 
right? I have some thoughts on the zero normalization part:
   
   Is it possible to add an optimizer rule, to rewrite the expression like
   `match_condition t1.v1 < t2.v1` --> `match_condition normalize_zero(t1.v1) < 
normalize_zero(t2.v1)`
   , and this way we can move the complexity outside the operators.
   
   Other implementations seem can also benefit: 
https://github.com/apache/datafusion/pull/22835


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