viirya commented on a change in pull request #31656:
URL: https://github.com/apache/spark/pull/31656#discussion_r584493655
##########
File path:
sql/core/src/test/scala/org/apache/spark/sql/DataFrameSetOperationsSuite.scala
##########
@@ -860,6 +860,22 @@ class DataFrameSetOperationsSuite extends QueryTest with
SharedSparkSession {
}
}
}
+
+ test("SPARK-34548: Remove unnecessary children from Union") {
+ Seq(RemoveNoopUnion.ruleName, "").map { ruleName =>
+ withSQLConf(SQLConf.OPTIMIZER_EXCLUDED_RULES.key -> ruleName) {
+ val testData_2 = spark.sparkContext.parallelize(
Review comment:
Renamed to `testDataCopy`.
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