Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/19811#discussion_r157410521
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/basicPhysicalOperators.scala
---
@@ -440,9 +435,9 @@ case class RangeExec(range:
org.apache.spark.sql.catalyst.plans.logical.Range)
| }
""".stripMargin)
- val input = ctx.freshName("input")
// Right now, Range is only used when there is one upstream.
- ctx.addMutableState("scala.collection.Iterator", input, s"$input =
inputs[0];")
+ val input = ctx.addMutableState("scala.collection.Iterator", "input",
--- End diff --
seems it's never used
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