Github user cloud-fan commented on a diff in the pull request: https://github.com/apache/spark/pull/22326#discussion_r220770012 --- Diff: sql/core/src/test/scala/org/apache/spark/sql/execution/python/BatchEvalPythonExecSuite.scala --- @@ -100,6 +105,29 @@ class BatchEvalPythonExecSuite extends SparkPlanTest with SharedSQLContext { } assert(qualifiedPlanNodes.size == 1) } + + test("SPARK-25314: Python UDF refers to the attributes from more than one child " + --- End diff -- This is still an end-to-end test, I don't think we need it
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