Github user gatorsmile commented on the issue:
https://github.com/apache/spark/pull/18853
Thanks for working on it!
I checked the related codes in HIve. Does the current fix resolve all the
differences between Hive-speicific type casting/coercion? Please list all the
difference between Hive and current Spark SQL semantics.
We might need a new batch to replace the existing `typeCoercionRules` for
Hive compatibility.
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