Github user ueshin commented on a diff in the pull request:
https://github.com/apache/spark/pull/16308#discussion_r92962120
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/finishAnalysis.scala
---
@@ -41,13 +43,16 @@ object ReplaceExpressions extends Rule[LogicalPlan] {
*/
object ComputeCurrentTime extends Rule[LogicalPlan] {
def apply(plan: LogicalPlan): LogicalPlan = {
- val dateExpr = CurrentDate()
+ val currentDates = mutable.Map.empty[String, Literal]
val timeExpr = CurrentTimestamp()
- val currentDate = Literal.create(dateExpr.eval(EmptyRow),
dateExpr.dataType)
val currentTime = Literal.create(timeExpr.eval(EmptyRow),
timeExpr.dataType)
plan transformAllExpressions {
- case CurrentDate() => currentDate
+ case CurrentDate(tz) =>
+ currentDates.getOrElseUpdate(tz, {
+ val dateExpr = CurrentDate(tz)
+ Literal.create(dateExpr.eval(EmptyRow), dateExpr.dataType)
--- End diff --
Good catch, I'll modify this.
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