Github user yhuai commented on a diff in the pull request:
https://github.com/apache/spark/pull/14915#discussion_r77441612
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/trees/TreeNode.scala
---
@@ -604,6 +604,7 @@ abstract class TreeNode[BaseType <: TreeNode[BaseType]]
extends Product {
}.toList
}
+ // TODO: Fix toJSON so that we can more safely handle Map and Seq with
loop.
--- End diff --
I think it is better to make the comment self-contained. So, readers of
this part do not need to guess or search the jira to understand what this line
means.
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