[GitHub] [spark] HyukjinKwon commented on a change in pull request #28024: [SPARK-31254][SQL] Use the current session time zone in `HiveResult.toHiveString`

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HyukjinKwon commented on a change in pull request #28024: [SPARK-31254][SQL] Use the current session time zone in `HiveResult.toHiveString`
URL: https://github.com/apache/spark/pull/28024#discussion_r398264310
 
 

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 File path: sql/core/src/main/scala/org/apache/spark/sql/execution/HiveResult.scala
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 @@ -59,9 +59,9 @@ object HiveResult {
         .map(_.mkString("\t"))
   }
 
-  private lazy val zoneId = DateTimeUtils.getZoneId(SQLConf.get.sessionLocalTimeZone)
-  private lazy val dateFormatter = DateFormatter(zoneId)
-  private lazy val timestampFormatter = TimestampFormatter.getFractionFormatter(zoneId)
+  private def zoneId = DateTimeUtils.getZoneId(SQLConf.get.sessionLocalTimeZone)
+  private def dateFormatter = DateFormatter(zoneId)
+  private def timestampFormatter = TimestampFormatter.getFractionFormatter(zoneId)
 
 Review comment:
   @MaxGekk, which codes path access `SQLConf.get` here? Seems like we should clarify in the documentation that we should take other sessions into account since `TimestampFormatter` behaviours can be dependent on SQL configuration when this instance is created..

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