Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/22630#discussion_r223525444
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/basicPhysicalOperators.scala
---
@@ -452,46 +452,73 @@ 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; }"
+ s"if (shouldStop()) { $nextIndex = $value + ${step}L; return; }"
} else {
"// shouldStop check is eliminated"
}
+ val loopCondition = if (limitNotReachedChecks.isEmpty) {
+ "true"
+ } else {
+ limitNotReachedChecks.mkString(" && ")
--- End diff --
This is whole-stage-codege. If bytecode overfolow happens, we will fallback
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