Peng-Lei commented on a change in pull request #34494:
URL: https://github.com/apache/spark/pull/34494#discussion_r747307497
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/Cast.scala
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@@ -81,9 +82,13 @@ object Cast {
case (StringType, CalendarIntervalType) => true
case (StringType, _: DayTimeIntervalType) => true
case (StringType, _: YearMonthIntervalType) => true
+ case (_: IntegralType, DayTimeIntervalType(s, e)) if s == e => true
+ case (_: IntegralType, YearMonthIntervalType(s, e)) if s == e => true
Review comment:
No. According SQL standard. The conversion that between AN and Interval
Type is not allowed. I will update title "NumericType => IntegralType"
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