Github user xuanyuanking commented on a diff in the pull request:
https://github.com/apache/spark/pull/22326#discussion_r220777535
--- 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 --
Got it, I use this for IDE mock python UDF, will do this in a follow up PR
with a new test suites in `org.apache.spark.sql.catalyst.optimizer`, revert in
2b6977d.
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