cloud-fan commented on code in PR #53542:
URL: https://github.com/apache/spark/pull/53542#discussion_r2664330427
##########
sql/core/src/test/scala/org/apache/spark/sql/execution/SQLFunctionSuite.scala:
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@@ -87,4 +87,23 @@ class SQLFunctionSuite extends QueryTest with
SharedSparkSession {
checkAnswer(sql("SELECT bar(1)"), Row(2))
}
}
+
+ test("SQL UDF in higher-order function should fail with clear error
message") {
+ withUserDefinedFunction("test_lower_udf" -> false) {
+ sql(
+ """
+ |CREATE FUNCTION test_lower_udf(s STRING)
+ |RETURNS STRING
+ |RETURN lower(s)
+ |""".stripMargin)
+ val exception = intercept[AnalysisException] {
Review Comment:
let's use `checkError` to test errors.
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