viirya commented on code in PR #38692:
URL: https://github.com/apache/spark/pull/38692#discussion_r1026181826
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sql/core/src/main/scala/org/apache/spark/sql/execution/QueryExecution.scala:
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@@ -105,12 +105,30 @@ class QueryExecution(
case other => other
}
+ lazy val normalized: LogicalPlan = {
+ val normalizationRules = sparkSession.sessionState.planNormalizationRules
+ if (normalizationRules.isEmpty) {
+ commandExecuted
+ } else {
+ val planChangeLogger = new PlanChangeLogger[LogicalPlan]()
+ val normalized = normalizationRules.foldLeft(commandExecuted)((p, rule)
=> {
+ val result = rule.apply(p)
+ planChangeLogger.logRule(rule.ruleName, p, result)
+ result
+ })
+ if (normalizationRules.nonEmpty) {
Review Comment:
I think entering this `else` block means `normalizationRules` is non empty,
no?
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