Github user ueshin commented on a diff in the pull request:
https://github.com/apache/spark/pull/21021#discussion_r184262013
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/collectionOperations.scala
---
@@ -191,24 +163,85 @@ case class SortArray(base: Expression,
ascendingOrder: Expression)
if (o1 == null && o2 == null) {
0
} else if (o1 == null) {
- 1
+ 1 * nullOrder
--- End diff --
`-nullOrder`?
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