HyukjinKwon commented on a change in pull request #27498: [SPARK-30688][SQL]
Week based dates not being parsed with TimestampFormatter
URL: https://github.com/apache/spark/pull/27498#discussion_r376987378
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/util/DateTimeFormatterHelper.scala
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@@ -68,6 +68,17 @@ private object DateTimeFormatterHelper {
new DateTimeFormatterBuilder().parseCaseInsensitive()
}
+ def toWeekBasedFormatter(builder: DateTimeFormatterBuilder, locale: Locale):
DateTimeFormatter = {
+ builder
+ .parseDefaulting(ChronoField.ERA, 1)
+ .parseDefaulting(ChronoField.DAY_OF_WEEK, 1)
+ .parseDefaulting(ChronoField.MINUTE_OF_HOUR, 0)
+ .parseDefaulting(ChronoField.SECOND_OF_MINUTE, 0)
+ .toFormatter(locale)
+ .withChronology(IsoChronology.INSTANCE)
+ .withResolverStyle(ResolverStyle.STRICT)
Review comment:
Can you add https://bugs.openjdk.java.net/browse/JDK-8145633 into PR
description and elaborate how this works around?
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