dongjoon-hyun commented on a change in pull request #29172:
URL: https://github.com/apache/spark/pull/29172#discussion_r457834857
##########
File path:
sql/catalyst/src/main/scala-2.13/org/apache/spark/sql/catalyst/util/CaseInsensitiveMap.scala
##########
@@ -40,7 +40,7 @@ class CaseInsensitiveMap[T] private (val originalMap:
Map[String, T]) extends Ma
keyLowerCasedMap.contains(k.toLowerCase(Locale.ROOT))
override def updated[B1 >: T](key: String, value: B1): Map[String, B1] = {
- new CaseInsensitiveMap[B1](originalMap + (key -> value))
+ new CaseInsensitiveMap[B1](originalMap.filter(!_._1.equalsIgnoreCase(key))
+ (key -> value))
Review comment:
This one is also reusing the logic at `removed` at line 49. I also
verified that Scala-2.13 compilation.
For now, Scala-2.13 testing is not possible.
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