maropu commented on a change in pull request #25666: [SPARK-28962][SQL] Provide
index argument to filter lambda functions
URL: https://github.com/apache/spark/pull/25666#discussion_r326428122
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/higherOrderFunctions.scala
##########
@@ -357,10 +359,23 @@ case class ArrayFilter(
override def bind(f: (Expression, Seq[(DataType, Boolean)]) =>
LambdaFunction): ArrayFilter = {
val ArrayType(elementType, containsNull) = argument.dataType
- copy(function = f(function, (elementType, containsNull) :: Nil))
+ function match {
+ case LambdaFunction(_, arguments, _) if arguments.size == 2 =>
+ copy(function = f(function, (elementType, containsNull) ::
(IntegerType, false) :: Nil))
+ case _ =>
+ copy(function = f(function, (elementType, containsNull) :: Nil))
Review comment:
Can you check the current error mesasage for the case?
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