alamb commented on issue #4539:
URL: https://github.com/apache/datafusion/issues/4539#issuecomment-2228815569

   > Maybe we shouldn't replace ? in a logical plan, for example select * from 
t where a = ? and b = ?, the order of ? will be disrupted when converted to a 
logical plan.
   
   I am not sure how MySQL works. Is `select * from t where a = ? and b = ?`  
should be the same as `select * from t where a = $1 and b = $2`? If so maybe we 
could translate the `?` into the order in which it appears in the query and 
then use positional `ParamValues::List`


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