cloud-fan commented on a change in pull request #29797:
URL: https://github.com/apache/spark/pull/29797#discussion_r503331435
##########
File path:
sql/core/src/test/scala/org/apache/spark/sql/execution/adaptive/AdaptiveQueryExecSuite.scala
##########
@@ -1258,4 +1264,67 @@ class AdaptiveQueryExecSuite
}
}
}
+
+ test("SPARK-32932: Do not use local shuffle reader at final stage on write
command") {
+ withSQLConf(SQLConf.PARTITION_OVERWRITE_MODE.key ->
PartitionOverwriteMode.DYNAMIC.toString,
+ SQLConf.SHUFFLE_PARTITIONS.key -> "5",
+ SQLConf.ADAPTIVE_EXECUTION_ENABLED.key -> "true") {
+ val data = for (
+ i <- 1L to 10L;
+ j <- 1L to 3L
+ ) yield (i, j)
+
+ val df = data.toDF("i", "j").repartition($"j")
+ var noLocalReader: Boolean = false
+ val listener = new QueryExecutionListener {
+ override def onSuccess(funcName: String, qe: QueryExecution,
durationNs: Long): Unit = {
+ qe.executedPlan match {
+ case plan@(_: DataWritingCommandExec | _: V2TableWriteExec) =>
+
assert(plan.asInstanceOf[UnaryExecNode].child.isInstanceOf[AdaptiveSparkPlanExec])
+ noLocalReader = collect(plan) {
+ case exec: CustomShuffleReaderExec if exec.isLocalReader =>
exec
+ }.isEmpty
+ case _ => // ignore other events
+ }
+ }
+ override def onFailure(funcName: String, qe: QueryExecution,
+ exception: Exception): Unit = {}
+ }
+ spark.listenerManager.register(listener)
+
+ withTable("t") {
+ df.write.partitionBy("j").saveAsTable("t")
+ sparkContext.listenerBus.waitUntilEmpty()
+ assert(noLocalReader)
+ noLocalReader = false
+ }
+
+ // Test DataSource v2
+ withTempPath { f =>
+ val path = f.getCanonicalPath
+ val format = classOf[V2Source].getName
Review comment:
Can we just use `NoopDataSource`?
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