yaooqinn commented on pull request #27805:
URL: https://github.com/apache/spark/pull/27805#issuecomment-635741463


   thanks for pinging me @maropu 
   
   Using extract/date_part functions instead may be a good choice here for 
end-users. Supporting `/` for intervals goes against a contract that we are 
trying to follow  - 'avoiding 1 month = 30 days'.
   
   BTW, I check presto which supports ANSI-like year-month/day-time intervals 
and it does not have such a feature.


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