sathiyapk commented on a change in pull request #34675:
URL: https://github.com/apache/spark/pull/34675#discussion_r753883793
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/datetimeExpressions.scala
##########
@@ -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:
Using the expression outside the context of a DataFrame gives the error.
For example, the functions hour, date_format on a spark shell will give the
error.
```
scala> hour(current_timestamp).expr.eval()
java.util.NoSuchElementException: None.get
at scala.None$.get(Option.scala:529)
at scala.None$.get(Option.scala:527)
at
org.apache.spark.sql.catalyst.expressions.TimeZoneAwareExpression.zoneId(datetimeExpressions.scala:53)
at
org.apache.spark.sql.catalyst.expressions.TimeZoneAwareExpression.zoneId$(datetimeExpressions.scala:53)
at
org.apache.spark.sql.catalyst.expressions.Hour.zoneId$lzycompute(datetimeExpressions.scala:321)
at
org.apache.spark.sql.catalyst.expressions.Hour.zoneId(datetimeExpressions.scala:321)
at
org.apache.spark.sql.catalyst.expressions.GetTimeField.nullSafeEval(datetimeExpressions.scala:302)
at
org.apache.spark.sql.catalyst.expressions.GetTimeField.nullSafeEval$(datetimeExpressions.scala:301)
at
org.apache.spark.sql.catalyst.expressions.Hour.nullSafeEval(datetimeExpressions.scala:321)
at
org.apache.spark.sql.catalyst.expressions.UnaryExpression.eval(Expression.scala:476)
... 47 elided
scala> date_format(current_timestamp, "dd").expr.eval()
java.util.NoSuchElementException: None.get
at scala.None$.get(Option.scala:529)
at scala.None$.get(Option.scala:527)
at
org.apache.spark.sql.catalyst.expressions.TimeZoneAwareExpression.zoneId(datetimeExpressions.scala:53)
at
org.apache.spark.sql.catalyst.expressions.TimeZoneAwareExpression.zoneId$(datetimeExpressions.scala:53)
at
org.apache.spark.sql.catalyst.expressions.DateFormatClass.zoneId$lzycompute(datetimeExpressions.scala:772)
at
org.apache.spark.sql.catalyst.expressions.DateFormatClass.zoneId(datetimeExpressions.scala:772)
at
org.apache.spark.sql.catalyst.expressions.TimestampFormatterHelper.getFormatter(datetimeExpressions.scala:70)
at
org.apache.spark.sql.catalyst.expressions.TimestampFormatterHelper.getFormatter$(datetimeExpressions.scala:67)
at
org.apache.spark.sql.catalyst.expressions.DateFormatClass.getFormatter(datetimeExpressions.scala:772)
at
org.apache.spark.sql.catalyst.expressions.TimestampFormatterHelper.$anonfun$formatterOption$1(datetimeExpressions.scala:64)
at scala.Option.map(Option.scala:230)
```
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