cloud-fan commented on a change in pull request #32266:
URL: https://github.com/apache/spark/pull/32266#discussion_r618593263
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/Cast.scala
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@@ -1353,6 +1361,13 @@ abstract class CastBase extends UnaryExpression with
TimeZoneAwareExpression wit
}
+ private[this] def castToYearMonthIntervalCode(from: DataType): CastFunction
= from match {
+ case StringType =>
+ val util = IntervalUtils.getClass.getCanonicalName.stripSuffix("$")
+ (c, evPrim, evNull) =>
+ code"""$evPrim =
(Integer)$util.fromYearMonthString($c).months;""".stripMargin
Review comment:
Why do we need to box the result?
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