wangyum commented on a change in pull request #34675:
URL: https://github.com/apache/spark/pull/34675#discussion_r756496926
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/datetimeExpressions.scala
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@@ -59,7 +59,10 @@ trait TimeZoneAwareExpression extends Expression {
/** Returns a copy of this expression with the specified timeZoneId. */
def withTimeZone(timeZoneId: String): TimeZoneAwareExpression
- @transient lazy val zoneId: ZoneId = DateTimeUtils.getZoneId(timeZoneId.get)
Review comment:
The expression is only resolved when the time zone has been set:
https://github.com/apache/spark/blob/6d4223071f4cf475ce5c285e6b3a96cd93f5b166/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/datetimeExpressions.scala#L46-L48
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