Github user wzhfy commented on a diff in the pull request: https://github.com/apache/spark/pull/18252#discussion_r121240900 --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/util/DateTimeUtils.scala --- @@ -399,13 +399,13 @@ object DateTimeUtils { digitsMilli += 1 } - if (!justTime && isInvalidDate(segments(0), segments(1), segments(2))) { - return None + while (digitsMilli > 6) { --- End diff -- add a comment indicating we are truncating the microsecond part and its lossy?
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