Github user gatorsmile commented on a diff in the pull request: https://github.com/apache/spark/pull/19873#discussion_r154857858 --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala --- @@ -666,7 +667,9 @@ class Analyzer( * Generate a new logical plan for the right child with different expression IDs * for all conflicting attributes. */ - private def dedupRight (left: LogicalPlan, right: LogicalPlan): LogicalPlan = { + private def dedupRight (left: LogicalPlan, oriRight: LogicalPlan): LogicalPlan = { --- End diff -- What is `oriRight `?
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