Github user nongli commented on a diff in the pull request:
https://github.com/apache/spark/pull/11359#discussion_r54369543
--- Diff: sql/core/src/main/scala/org/apache/spark/sql/execution/Sort.scala
---
@@ -93,4 +97,75 @@ case class Sort(
sortedIterator
}
}
+
+ override def upstreams(): Seq[RDD[InternalRow]] = {
+ child.asInstanceOf[CodegenSupport].upstreams()
+ }
+
+ // Name of sorter variable used in codegen.
+ private var sorterVariable: String = _
+
+ override protected def doProduce(ctx: CodegenContext): String = {
+ val needToSort = ctx.freshName("needToSort")
+ ctx.addMutableState("boolean", needToSort, s"$needToSort = true;")
+
+
+ // Initialize the class member variables. This includes the instance
of the Sorter and
+ // the iterator to return sorted rows.
+ val thisPlan = ctx.addReferenceObj("plan", this)
+ sorterVariable = ctx.freshName("sorter")
+ ctx.addMutableState(classOf[UnsafeExternalRowSorter].getName,
sorterVariable,
+ s"$sorterVariable = $thisPlan.createSorter();")
+ val metrics = ctx.freshName("metrics")
+ ctx.addMutableState(classOf[TaskMetrics].getName, metrics,
+ s"$metrics = org.apache.spark.TaskContext.get().taskMetrics();")
+ val sortedIterator = ctx.freshName("sortedIter")
+ ctx.addMutableState("scala.collection.Iterator<UnsafeRow>",
sortedIterator, "")
+
+ val addToSorter = ctx.freshName("addToSorter")
+ ctx.addNewFunction(addToSorter,
+ s"""
+ | private void $addToSorter() throws java.io.IOException {
+ | ${child.asInstanceOf[CodegenSupport].produce(ctx, this)}
+ | }
+ """.stripMargin.trim)
+
+ val outputRow = ctx.freshName("outputRow")
+ val dataSize = metricTerm(ctx, "dataSize")
+ val spillSize = metricTerm(ctx, "spillSize")
+ val spillSizeBefore = ctx.freshName("spillSizeBefore")
--- End diff --
This can just be a local var. Just remove the ".addMutableState" below and
fix line 141.
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at [email protected] or file a JIRA ticket
with INFRA.
---
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
