xiaochen-zhou commented on PR #4124:
URL: https://github.com/apache/calcite/pull/4124#issuecomment-2574142326

   > Some information needs to be clearly stated in Jira. Does the CAST 
operation need to stay for all the types?
   
   The official documentation only contains the following related description: 
   https://trino.io/docs/current/functions/conversion.html
   
![image](https://github.com/user-attachments/assets/86ec2294-e6fe-4246-a413-73e545891bdb)
   
   However, my tests show that there is no conversion between string and date 
types either. 
   
   
![image](https://github.com/user-attachments/assets/b7e88798-efc0-4753-a466-a5ee58a490f8)
   
   Therefore, I believe that to ensure query correctness, the CAST conversion 
for String type operands in Presto should be preserved.


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