HyukjinKwon commented on code in PR #46503:
URL: https://github.com/apache/spark/pull/46503#discussion_r1597743916
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/inputFileBlock.scala:
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@@ -39,7 +40,7 @@ case class InputFileName() extends LeafExpression with
Nondeterministic {
override def nullable: Boolean = false
- override def dataType: DataType = StringType
+ override def dataType: DataType = SQLConf.get.defaultStringType
Review Comment:
qq: do we need to change all expressions that return `StringType`?
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