MaxGekk commented on a change in pull request #26283: [SPARK-29622][SQL] do not
allow leading 'interval' in the interval string format
URL: https://github.com/apache/spark/pull/26283#discussion_r339600560
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/util/IntervalUtils.scala
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@@ -119,4 +119,13 @@ object IntervalUtils {
case _: IllegalArgumentException => null
}
}
+
+ def legacyCastStringToInterval(str: String): CalendarInterval = {
+ val trimmed = str.trim
+ if (trimmed.startsWith("interval")) {
Review comment:
I think this should be case insensitive check. You can use `regionMatches()`
for that.
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