Github user viirya commented on a diff in the pull request:
https://github.com/apache/spark/pull/21674#discussion_r199309806
--- Diff: sql/core/src/test/scala/org/apache/spark/sql/SQLQuerySuite.scala
---
@@ -2792,4 +2792,25 @@ class SQLQuerySuite extends QueryTest with
SharedSQLContext {
}
}
}
+
+ test("SPARK-24696 ColumnPruning rule fails to remove extra Project") {
--- End diff --
The test in Jira is simpler than this. Do we need to have two tables and a
join?
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