cloud-fan commented on a change in pull request #35657:
URL: https://github.com/apache/spark/pull/35657#discussion_r839222052
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/V2ExpressionUtils.scala
##########
@@ -44,20 +50,85 @@ object V2ExpressionUtils extends SQLConfHelper {
refs.map(ref => resolveRef[T](ref, plan))
}
- def toCatalyst(expr: V2Expression, query: LogicalPlan): Expression = {
+ /**
+ * Converts the array of input V2 [[V2SortOrder]] into their counterparts in
catalyst.
+ */
+ def toCatalystOrdering(ordering: Array[V2SortOrder], query: LogicalPlan):
Seq[SortOrder] = {
+ sequenceToOption(ordering.map(toCatalyst(_,
query))).asInstanceOf[Option[Seq[SortOrder]]]
+ .getOrElse(Seq.empty)
Review comment:
```suggestion
.getOrElse(Seq.empty)
```
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