cloud-fan commented on a change in pull request #33661:
URL: https://github.com/apache/spark/pull/33661#discussion_r684999524
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/TypeCoercion.scala
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@@ -656,6 +656,8 @@ abstract class TypeCoercionBase {
(leftType, rightType) match {
case (_: DecimalType, NullType) => true
case (NullType, _: DecimalType) => true
+ case (_: DayTimeIntervalType, _: DayTimeIntervalType) => true
+ case (_: YearMonthIntervalType, _: YearMonthIntervalType) => true
Review comment:
why do we need this? the default case should work for interval types
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