cloud-fan commented on a change in pull request #26507: [WIP][SQL][2.4] Parse
timestamps in microsecond precision in JSON datasource
URL: https://github.com/apache/spark/pull/26507#discussion_r345898117
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/util/DateTimeUtils.scala
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@@ -1164,4 +1166,30 @@ object DateTimeUtils {
threadLocalTimestampFormat.remove()
threadLocalDateFormat.remove()
}
+
+ class MicrosCalendar(tz: TimeZone) extends GregorianCalendar(tz, Locale.US) {
+ def getMicros(): SQLTimestamp = {
Review comment:
Can we have some comments to explain the behavior? Seems to me it's
1. for `.1`, it's 1000 microseconds
2. for `.1234`, it's 1234 microseconds
3. for `.1234567`, it's 123456 microseconds
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