Github user ConeyLiu commented on a diff in the pull request: https://github.com/apache/spark/pull/20844#discussion_r175658889 --- Diff: sql/core/src/main/scala/org/apache/spark/sql/execution/basicPhysicalOperators.scala --- @@ -396,9 +396,11 @@ case class RangeExec(range: org.apache.spark.sql.catalyst.plans.logical.Range) // The default size of a batch, which must be positive integer val batchSize = 1000 - val initRangeFuncName = ctx.addNewFunction("initRange", + val initRange = ctx.freshName("initRange") + + val initRangeFuncName = ctx.addNewFunction(initRange, s""" - | private void initRange(int idx) { + | private void ${initRange}(int idx) { --- End diff -- Hi @cloud-fan , before adding the comments, I have a question about why we still need `exchange ` if we join two `spark.range(1, 10, 1, 1)`. Because of both of the `range` are only one partition, does the `exchange` really needed?
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