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_r345915057
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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:
So what we get here is the milliseconds `FastDateFormat` extracts from the
string. I believe `FastDateFormat` can handle the part after seconds. e.g.
`12:12:12.1234Z`, the milliseconds part should be 1234.
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