cloud-fan commented on a change in pull request #26261: [SPARK-29607][SQL] Move
static methods from CalendarInterval to IntervalUtils
URL: https://github.com/apache/spark/pull/26261#discussion_r339416220
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/util/IntervalUtils.scala
##########
@@ -119,4 +121,191 @@ object IntervalUtils {
case _: IllegalArgumentException => null
}
}
+
+ private val yearMonthPattern = Pattern.compile("^([+|-])?(\\d+)-(\\d+)$")
+
+ private val dayTimePattern = Pattern.compile(
+ "^([+|-])?((\\d+) )?((\\d+):)?(\\d+):(\\d+)(\\.(\\d+))?$")
+
+ private def toLongWithRange(
+ fieldName: String,
+ s: String,
+ minValue: Long,
+ maxValue: Long): Long = {
+ val result = if (s == null) 0L else s.toLong
+ require(minValue <= result && result <= maxValue,
+ s"$fieldName $result outside range [$minValue, $maxValue]")
+
+ result
+ }
+
+ /**
+ * Parse YearMonth string in form: [-]YYYY-MM
Review comment:
the regex is actually `[+|-]YYYY-MM`, not a big deal though
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