Github user rxin commented on a diff in the pull request:
https://github.com/apache/spark/pull/14279#discussion_r74890304
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/util/DateTimeUtils.scala
---
@@ -62,6 +64,11 @@ object DateTimeUtils {
@transient lazy val defaultTimeZone = TimeZone.getDefault
+ // These are ISO 8601 compliant `FastDateFormat`s. These are thread-safe
and compatible
+ // with `SimpleDateFormat`.
+ lazy val iso8601TimeFormat =
FastDateFormat.getInstance("yyyy-MM-dd'T'HH:mm:ss.SSSZZ")
--- End diff --
can you explain why this is a lazy val? (i see defaultTimeZone was also a
lazy val but not sure why)
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