MaxGekk commented on a change in pull request #28678:
URL: https://github.com/apache/spark/pull/28678#discussion_r432913167
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/util/TimestampFormatter.scala
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@@ -121,6 +121,7 @@ class FractionTimestampFormatter(zoneId: ZoneId)
TimestampFormatter.defaultPattern,
zoneId,
TimestampFormatter.defaultLocale,
+ LegacyDateFormats.FAST_DATE_FORMAT,
Review comment:
Spark 2.4 uses SimpleDateFormat but output of FastDateFormat and
SimpleDateFormat for the concrete pattern `yyyy-MM-dd HH:mm:ss` is the same. At
least, all our tests show no difference.
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