jayzhan211 commented on PR #14268:
URL: https://github.com/apache/datafusion/pull/14268#issuecomment-2628583804

   > > I don't have a strong opinion about how exactly the coercion rules 
should be changed. 
   > > 
   > > 
   > > 
   > > It does seem to me that we keep churning / thrashing on coercion (and 
introducing regressions like the one this PR fixes along with 
https://github.com/apache/datafusion/issues/14154 and 
https://github.com/apache/datafusion/issues/14383
   > > 
   > > 
   > > 
   > > To me this is a sign we need more work as @jayzhan211 says and I am sure 
we would appreciate help figuring out what to do / making the code better
   > > 
   > > 
   > > 
   > > That being said, I would like to make the 45.0.0 release candidate soon 
(like later today or tomorrow) and I worry that making non trivial changes to 
the coercion logic so close may lead to other unintended consequences
   > > 
   > > 
   > > 
   > > Is there any way we can fix the regression bug with some sort of smaller 
patch and then make the changes to coerceable behavior as a follow on PR?  
   > > 
   > > 
   > 
   > @alamb I'm not near a computer until later tonight, but just lemme know 
what you'd like me to do and i'll take care of it when I'm back home! 
   
   So what is the actual regressions to be resolved? I don't remember signature 
coericible is consistent with the docs before so it is not a regression to be 
fixed now. If supporting binary for string is something used to work, then we 
can add such coercion logic to singature:: sitting 


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