MaxGekk 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_r345909998
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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:
> Do we have a simple rule?
I haven't found simpler approach for now. The difference between interval
and timestamp is the former one may have time zone at the end or anything else.
We cannot say to users don't use the pattern like `mm:ss.SSSSSSXXX yyyy/MM/dd`
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