hvanhovell commented on a change in pull request #23169: [SPARK-26103][SQL]
Limit the length of debug strings for query plans
URL: https://github.com/apache/spark/pull/23169#discussion_r249372411
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/trees/TreeNode.scala
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@@ -591,6 +591,7 @@ abstract class TreeNode[BaseType <: TreeNode[BaseType]]
extends Product {
children.last.generateTreeString(
depth + 1, lastChildren :+ true, append, verbose, prefix, addSuffix,
maxFields)
}
+ append("")
Review comment:
Moreover, if you are appending empty strings all over the place then it
would be good to make `append` drop these.
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