Github user viirya commented on a diff in the pull request:
https://github.com/apache/spark/pull/22621#discussion_r222351322
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/basicPhysicalOperators.scala
---
@@ -453,45 +453,89 @@ case class RangeExec(range:
org.apache.spark.sql.catalyst.plans.logical.Range)
val localIdx = ctx.freshName("localIdx")
val localEnd = ctx.freshName("localEnd")
val range = ctx.freshName("range")
- val shouldStop = if (parent.needStopCheck) {
- s"if (shouldStop()) { $number = $value + ${step}L; return; }"
+
+ val processingLoop = if (parent.needStopCheck) {
+ // TODO (cloud-fan): do we really need to do the stop check within
batch?
--- End diff --
I think that there is BroadcastHashJoin case doesn't mean it is generally
ok to buffer more rows. If it is possible, we still should avoid it.
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