beliefer commented on code in PR #35975:
URL: https://github.com/apache/spark/pull/35975#discussion_r848141914
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/Optimizer.scala:
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@@ -1846,6 +1847,19 @@ object EliminateLimits extends Rule[LogicalPlan] {
}
}
+/**
+ * Rewrite [[Offset]] as [[Limit]] or combines two adjacent [[Offset]]
operators into one,
+ * merging the expressions into one single expression.
+ */
+object RewriteOffsets extends Rule[LogicalPlan] {
+ def apply(plan: LogicalPlan): LogicalPlan = plan transform {
+ case GlobalLimit(le, Offset(oe, grandChild)) =>
Review Comment:
I don't get the mean. Why need mention it?
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