cfmcgrady commented on a change in pull request #33106:
URL: https://github.com/apache/spark/pull/33106#discussion_r659422135
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/collectionOperations.scala
##########
@@ -181,16 +181,31 @@ case class MapKeys(child: Expression)
""",
group = "array_funcs",
since = "2.4.0")
-case class ArraysZip(children: Seq[Expression]) extends Expression with
ExpectsInputTypes {
+case class ArraysZip(children: Seq[Expression], names: Seq[String])
+ extends Expression with ExpectsInputTypes {
+
+ def this(children: Seq[Expression]) = {
+ this(
+ children,
+ children.zipWithIndex.map {
+ case (u: UnresolvedAttribute, _) => u.nameParts.last
+ case (a: Alias, _) => a.name
+ case (a: Attribute, _) => a.name
+ case (_, idx) => idx.toString
Review comment:
make sense
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