chenhao-db commented on PR #45708:
URL: https://github.com/apache/spark/pull/45708#issuecomment-2019117063

   @cloud-fan I haven't changed 
https://github.com/apache/spark/pull/45708/files#diff-9e7a4d9777eb424f4453b1ece9618eb916ea4b1e312d5e300b1b29b657ced562R305.
 There are two reasons:
   - Although we should never hit this error inside Spark, the variant 
sub-libaray is intended to be used outside of Spark too, and other users may 
hit it (e.g., call `getLong` without ensuring `getType` is `LONG`). So it 
shouldn't be an internal error.
   - Throwing a `SparkException` requires changing all the Java method 
signatures that use this function, which is a non-trivial change.
   
   Please let me know whether it makes sense. Thanks!


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