MaxGekk commented on a change in pull request #24325: [SPARK-27414][SQL] make
it clear that date type is timezone independent
URL: https://github.com/apache/spark/pull/24325#discussion_r273690999
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/util/DateFormatter.scala
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@@ -34,15 +33,12 @@ class Iso8601DateFormatter(
private lazy val formatter = getOrCreateFormatter(pattern, locale)
override def parse(s: String): Int = {
- val parsed = formatter.parse(s)
- val zonedDateTime = toZonedDateTime(parsed, ZoneOffset.UTC)
- val seconds = zonedDateTime.toEpochSecond
- SECONDS.toDays(seconds).toInt
+ val localDate = LocalDate.parse(s, formatter)
+ Math.toIntExact(localDate.toEpochDay)
Review comment:
We have the helper function to convert LocalDate to epoch day:
https://github.com/apache/spark/blob/a529be2930b1d69015f1ac8f85e590f197cf53cf/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/util/DateTimeUtils.scala#L362
. Please, move `Math.toIntExact` there
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