AngersZhuuuu commented on a change in pull request #32266:
URL: https://github.com/apache/spark/pull/32266#discussion_r623553133
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/util/IntervalUtils.scala
##########
@@ -92,6 +93,25 @@ object IntervalUtils {
}
private val yearMonthPattern = "^([+|-])?(\\d+)-(\\d+)$".r
+ private val yearMonthStringPattern =
+
"^(INTERVAL\\s+)([+|-])?(')([+|-])?(\\d+)-(\\d+)(')(\\s+YEAR\\s+TO\\s+MONTH)$".r
Review comment:
Thanks for you share
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/Cast.scala
##########
@@ -1354,6 +1362,12 @@ 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 = $util.castStringToYMInterval($c);"
Review comment:
yea
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