linhongliu-db commented on a change in pull request #31550:
URL: https://github.com/apache/spark/pull/31550#discussion_r578376583
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File path: sql/core/src/test/scala/org/apache/spark/sql/SQLQuerySuite.scala
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@@ -3943,6 +3943,84 @@ class SQLQuerySuite extends QueryTest with
SharedSparkSession with AdaptiveSpark
}
}
}
+
+ test("SPARK-34421: Resolve temporary objects in temporary views with CTEs") {
+ val tempFuncName = "temp_func"
+ withUserDefinedFunction(tempFuncName -> true) {
+ spark.udf.register(tempFuncName, identity[Int](_))
+
+ val tempViewName = "temp_view"
+ withTempView(tempViewName) {
+ sql(s"CREATE TEMPORARY VIEW $tempViewName AS SELECT 1")
+
+ val testViewName = "test_view"
+
+ withTempView(testViewName) {
+ sql(
+ s"""
+ |CREATE TEMPORARY VIEW $testViewName AS
+ |WITH cte AS (
+ | SELECT $tempFuncName(0)
+ |)
+ |SELECT * FROM cte
+ |""".stripMargin)
+ checkAnswer(sql(s"SELECT * FROM $testViewName"), Row(0))
+ }
+
+ withTempView(testViewName) {
+ sql(
+ s"""
+ |CREATE TEMPORARY VIEW $testViewName AS
+ |WITH cte AS (
+ | SELECT * FROM $tempViewName
+ |)
+ |SELECT * FROM cte
+ |""".stripMargin)
+ checkAnswer(sql(s"SELECT * FROM $testViewName"), Row(1))
+ }
+ }
+ }
+ }
+
+ test("SPARK-34421: Resolve temporary objects in permanent views with CTEs") {
Review comment:
because temp view and permanent view have different behaviors, it's not
easy to add this to `SQLViewTestSuite`
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