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[SPARK-31999][SQL][FOLLOWUP] Adds negative test cases with typo fixes #29453

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[SPARK-31999][SQL][FOLLOWUP] Adds negative test cases with typo fixes #29453

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308cb1f
built-in
ulysses-you Aug 17, 2020
3633d89
more case
ulysses-you Aug 18, 2020
69b45be
fix qualified name
ulysses-you Aug 18, 2020
f0a36a1
fix
ulysses-you Aug 18, 2020
b99ced4
add msg check
ulysses-you Aug 19, 2020
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4 changes: 2 additions & 2 deletions sql/core/src/main/scala/org/apache/spark/sql/execution/command/functions.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -251,8 +251,8 @@ case class RefreshFunctionCommand(

override def run(sparkSession: SparkSession): Seq[Row] = {
val catalog = sparkSession.sessionState.catalog
if (FunctionRegistry.builtin.functionExists(FunctionIdentifier(functionName))) {
throw new AnalysisException(s"Cannot refresh builtin function $functionName")
if (FunctionRegistry.builtin.functionExists(FunctionIdentifier(functionName, databaseName))) {
throw new AnalysisException(s"Cannot refresh built-in function $functionName")
}
if (catalog.isTemporaryFunction(FunctionIdentifier(functionName, databaseName))) {
throw new AnalysisException(s"Cannot refresh temporary function $functionName")
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32 changes: 30 additions & 2 deletions sql/core/src/test/scala/org/apache/spark/sql/execution/command/DDLSuite.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -3035,7 +3035,12 @@ abstract class DDLSuite extends QueryTest with SQLTestUtils {
val msg = intercept[AnalysisException] {
sql("REFRESH FUNCTION md5")
}.getMessage
assert(msg.contains("Cannot refresh builtin function"))
assert(msg.contains("Cannot refresh built-in function"))
val msg2 = intercept[NoSuchFunctionException] {
sql("REFRESH FUNCTION default.md5")
}.getMessage
assert(msg2.contains(s"Undefined function: 'md5'. This function is neither a registered " +
s"temporary function nor a permanent function registered in the database 'default'."))

withUserDefinedFunction("func1" -> true) {
sql("CREATE TEMPORARY FUNCTION func1 AS 'test.org.apache.spark.sql.MyDoubleAvg'")
Expand All @@ -3046,15 +3051,23 @@ abstract class DDLSuite extends QueryTest with SQLTestUtils {
}

withUserDefinedFunction("func1" -> false) {
val func = FunctionIdentifier("func1", Some("default"))
assert(!spark.sessionState.catalog.isRegisteredFunction(func))
intercept[NoSuchFunctionException] {
sql("REFRESH FUNCTION func1")
}
assert(!spark.sessionState.catalog.isRegisteredFunction(func))

val func = FunctionIdentifier("func1", Some("default"))
sql("CREATE FUNCTION func1 AS 'test.org.apache.spark.sql.MyDoubleAvg'")
assert(!spark.sessionState.catalog.isRegisteredFunction(func))
sql("REFRESH FUNCTION func1")
assert(spark.sessionState.catalog.isRegisteredFunction(func))
val msg = intercept[NoSuchFunctionException] {
sql("REFRESH FUNCTION func2")
}.getMessage
assert(msg.contains(s"Undefined function: 'func2'. This function is neither a registered " +
s"temporary function nor a permanent function registered in the database 'default'."))
assert(spark.sessionState.catalog.isRegisteredFunction(func))

spark.sessionState.catalog.externalCatalog.dropFunction("default", "func1")
assert(spark.sessionState.catalog.isRegisteredFunction(func))
Expand All @@ -3073,6 +3086,21 @@ abstract class DDLSuite extends QueryTest with SQLTestUtils {
assert(!spark.sessionState.catalog.isRegisteredFunction(func))
}
}

test("REFRESH FUNCTION persistent function with the same name as the built-in function") {
withUserDefinedFunction("default.rand" -> false) {
val rand = FunctionIdentifier("rand", Some("default"))
sql("CREATE FUNCTION rand AS 'test.org.apache.spark.sql.MyDoubleAvg'")
assert(!spark.sessionState.catalog.isRegisteredFunction(rand))
val msg = intercept[AnalysisException] {
sql("REFRESH FUNCTION rand")
}.getMessage
assert(msg.contains("Cannot refresh built-in function"))
assert(!spark.sessionState.catalog.isRegisteredFunction(rand))
sql("REFRESH FUNCTION default.rand")
assert(spark.sessionState.catalog.isRegisteredFunction(rand))
}
}
}

object FakeLocalFsFileSystem {
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