huaxingao commented on a change in pull request #29535:
URL: https://github.com/apache/spark/pull/29535#discussion_r479422041
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/trees/TreeNode.scala
##########
@@ -544,6 +545,8 @@ abstract class TreeNode[BaseType <: TreeNode[BaseType]]
extends Product {
case None => Nil
case Some(null) => Nil
case Some(any) => any :: Nil
+ case map: CaseInsensitiveStringMap =>
+ truncatedString(map.entrySet().toArray(), "[", ", ", "]", maxFields) ::
Nil
Review comment:
I tried this:
```
scala> val options = Map(
| "Key1" -> "Value1",
| "key2" -> "vaue2"
| )
options: scala.collection.immutable.Map[String,String] = Map(Key1 -> Value1,
key2 -> vaue2)
scala> val map = new CaseInsensitiveStringMap(options.asJava)
map: org.apache.spark.sql.util.CaseInsensitiveStringMap =
org.apache.spark.sql.util.CaseInsensitiveStringMap@9f174175
scala> map.asCaseSensitiveMap().entrySet().toArray()
res3: Array[Object] = Array(Key1=Value1, key2=vaue2)
```
I used `case map: CaseInsensitiveStringMap` for pattern matching, I guess we
are probably OK?
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