Github user maropu commented on a diff in the pull request:
https://github.com/apache/spark/pull/15945#discussion_r100663544
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/QueryExecution.scala ---
@@ -82,32 +81,14 @@ class QueryExecution(val sparkSession: SparkSession,
val logical: LogicalPlan) {
// executedPlan should not be used to initialize any SparkPlan. It
should be
// only used for execution.
- lazy val executedPlan: SparkPlan = prepareForExecution(sparkPlan)
+ lazy val executedPlan: SparkPlan =
sparkSession.sessionState.physicalOptimizer.execute(sparkPlan)
/** Internal version of the RDD. Avoids copies and has no schema */
lazy val toRdd: RDD[InternalRow] = executedPlan.execute()
- /**
- * Prepares a planned [[SparkPlan]] for execution by inserting shuffle
operations and internal
- * row format conversions as needed.
- */
- protected def prepareForExecution(plan: SparkPlan): SparkPlan = {
- preparations.foldLeft(plan) { case (sp, rule) => rule.apply(sp) }
--- End diff --
okay, I'll try to fix.
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