Github user mn-mikke commented on a diff in the pull request:
https://github.com/apache/spark/pull/21102#discussion_r204349890
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/collectionOperations.scala
---
@@ -3805,3 +3801,339 @@ object ArrayUnion {
new GenericArrayData(arrayBuffer)
}
}
+
+/**
+ * Returns an array of the elements in the intersect of x and y, without
duplicates
+ */
+@ExpressionDescription(
+ usage = """
+ _FUNC_(array1, array2) - Returns an array of the elements in the
intersection of array1 and
+ array2, without duplicates.
+ """,
+ examples = """
+ Examples:Fun
--- End diff --
Just ```Examples:```?
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