yaooqinn commented on pull request #28106:
URL: https://github.com/apache/spark/pull/28106#issuecomment-625671160


   One more things, the scope that the `try` can cover is not that large you 
have imagined. The cases you listed is actually are all invalid, e.g. sum(a, 
b)???
   ```sql
   -- !query
   select sum(1 /0)
   -- !query schema
   struct<sum((CAST(1 AS DOUBLE) / CAST(0 AS DOUBLE))):double>
   -- !query output
   NULL
   ```


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