cloud-fan commented on a change in pull request #25111: [SPARK-28346][SQL]
clone the query plan between analyzer, optimizer and planner
URL: https://github.com/apache/spark/pull/25111#discussion_r305412647
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/QueryExecution.scala
##########
@@ -60,36 +60,31 @@ class QueryExecution(
lazy val analyzed: LogicalPlan =
tracker.measurePhase(QueryPlanningTracker.ANALYSIS) {
SparkSession.setActiveSession(sparkSession)
+ // We can't clone `logical` here, which will reset the `_analyzed` flag.
sparkSession.sessionState.analyzer.executeAndCheck(logical, tracker)
}
lazy val withCachedData: LogicalPlan = {
assertAnalyzed()
assertSupported()
- sparkSession.sharedState.cacheManager.useCachedData(analyzed)
+ sparkSession.sharedState.cacheManager.useCachedData(analyzed.clone())
}
lazy val optimizedPlan: LogicalPlan =
tracker.measurePhase(QueryPlanningTracker.OPTIMIZATION) {
- sparkSession.sessionState.optimizer.executeAndTrack(withCachedData,
tracker)
+
sparkSession.sessionState.optimizer.executeAndTrack(withCachedData.clone(),
tracker)
Review comment:
test added
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