qstommyshu commented on issue #12342:
URL: https://github.com/apache/datafusion/issues/12342#issuecomment-2812968577

   Oh I see, thanks @Omega359 for sending the doc. 
   
   Hope you don't mind me asking another question. I'm still wondering why we 
want DF to support operations like `select to_date('1970-01-01', 'yyyy-mm-dd') 
+ 5;`. Originally I thought maybe if DF support the exactly syntax as pgsql, 
then it would be easier for someone to migrate to DF based databases. But the 
syntax will not be exactly the same even if this operation is supported, plus 
we have a workaround. 
   
   So I'm a bit confused here, what is the benefit for DF to support `select 
to_date('1970-01-01') + 5;` this operation?
   
   PS: I'm new to DF, still learning about everything. 
   
   Thanks in advance.


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