MaxGekk commented on a change in pull request #32271:
URL: https://github.com/apache/spark/pull/32271#discussion_r617420784
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/util/IntervalUtils.scala
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@@ -123,6 +123,24 @@ object IntervalUtils {
}
}
+ def safeFromDayTimeString(input: UTF8String): Option[Long] = {
+ try {
+ if (input == null || input.toString == null) {
+ throw new IllegalArgumentException("Interval day-second string must be
not null")
+ } else {
+ val regex = "INTERVAL '([-|+]?[0-9]+ [0-9:]+)' DAY TO SECOND".r
+ // scalastyle:off caselocale .toLowerCase
+ val intervalString = input.trimAll().toUpperCase.toString
+ // scalastyle:on
+ val interval = regex.findFirstMatchIn(intervalString)
+ .map(_.group(1)).getOrElse(intervalString)
+ Some(fromDayTimeString(interval).microseconds)
Review comment:
Please, look at
https://github.com/apache/spark/blob/e08c40fa3f7054bdc713873c99d3aaf0014d9314/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/parser/AstBuilder.scala#L2326
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