Github user BryanCutler commented on a diff in the pull request: https://github.com/apache/spark/pull/18732#discussion_r142514594 --- Diff: sql/core/src/main/scala/org/apache/spark/sql/execution/python/ArrowEvalPythonExec.scala --- @@ -26,6 +26,28 @@ import org.apache.spark.sql.catalyst.expressions._ import org.apache.spark.sql.execution.SparkPlan import org.apache.spark.sql.types.StructType +private object BatchIterator { + class InnerIterator[T](iter: Iterator[T], batchSize: Int) extends Iterator[T] { --- End diff -- could you just make `InnerIterator` a nested class in `BatchIterator` instead of here in the companion object?
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