jackkleeman commented on PR #17476:
URL: https://github.com/apache/datafusion/pull/17476#issuecomment-3274056503

   should be ok now.
   
   another thing i noticed; if you dont provide distinct count, we require you 
to provide range. however, we accept even an unbounded range, which is kind of 
no information - in that case we just use the row count as our guess, 
basically. also we allow string ranges which have no cardinalirty info. is this 
intentional? it seems to me that we should either a) not allow unbounded range, 
in fact only allow ranges that are numeric (so cardinality info is available) 
or b) not require range at all


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