mihailom-db commented on code in PR #45693:
URL: https://github.com/apache/spark/pull/45693#discussion_r1537264451
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/collectionOperations.scala:
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@@ -1994,17 +1995,26 @@ case class Slice(x: Expression, start: Expression,
length: Expression)
case class ArrayJoin(
array: Expression,
delimiter: Expression,
- nullReplacement: Option[Expression]) extends Expression with
ExpectsInputTypes {
+ nullReplacement: Option[Expression]) extends ImplicitCastInputTypes with
ExpectsInputTypes {
Review Comment:
You extend both Parent class and its Child. Remove ExpectsInputTypes.
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