Github user viirya commented on a diff in the pull request:
https://github.com/apache/spark/pull/13778#discussion_r68879222
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/objects/objects.scala
---
@@ -349,11 +349,12 @@ object MapObjects {
def apply(
function: Expression => Expression,
inputData: Expression,
- elementType: DataType): MapObjects = {
+ elementType: DataType,
+ inputDataType: Option[DataType] = None): MapObjects = {
--- End diff --
At most scenarios, we don't need to specify inputDataType. So I think it is
indeed the obvious value. I agreed that the use of option here is not good. I
will change it and have it documented.
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