Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/19811#discussion_r156928270
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/DataSourceScanExec.scala
---
@@ -353,8 +353,8 @@ case class FileSourceScanExec(
}
val numOutputRows = metricTerm(ctx, "numOutputRows")
// PhysicalRDD always just has one input
- val input = ctx.freshName("input")
- ctx.addMutableState("scala.collection.Iterator", input, s"$input =
inputs[0];")
+ val input = ctx.addMutableState("scala.collection.Iterator", "input",
v => s"$v = inputs[0];",
+ forceInline = true)
--- End diff --
ditto
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