Github user rxin commented on a diff in the pull request:
https://github.com/apache/spark/pull/10335#discussion_r47877642
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/basicOperators.scala
---
@@ -210,6 +210,37 @@ case class Sort(
override def output: Seq[Attribute] = child.output
}
+case class Range(
+ start: Long,
+ end: Long,
+ step: Long,
+ numSlices: Int) extends LeafNode {
+ require(step != 0, "step cannot be 0")
+ val numElements: BigInt = {
+ val safeStart = BigInt(start)
+ val safeEnd = BigInt(end)
+ if ((safeEnd - safeStart) % step == 0 || safeEnd > safeStart ^ step >
0) {
--- End diff --
We should simplify it. This is an one-time only thing that we shouldn't
care about performance.
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