Remove extension types support

duckdb_java.def

@@ -27,7 +27,6 @@ Java_org_duckdb_DuckDBNative_duckdb_1jdbc_1create_1appender
 Java_org_duckdb_DuckDBNative_duckdb_1jdbc_1create_1db_1ref
 Java_org_duckdb_DuckDBNative_duckdb_1jdbc_1destroy_1db_1ref
 Java_org_duckdb_DuckDBNative_duckdb_1jdbc_1db_1address
-Java_org_duckdb_DuckDBNative_duckdb_1jdbc_1create_1extension_1type
 Java_org_duckdb_DuckDBNative_duckdb_1jdbc_1disconnect
 Java_org_duckdb_DuckDBNative_duckdb_1jdbc_1execute
 Java_org_duckdb_DuckDBNative_duckdb_1jdbc_1execute_1capi

duckdb_java.exp

@@ -24,7 +24,6 @@ _Java_org_duckdb_DuckDBNative_duckdb_1jdbc_1create_1appender
 _Java_org_duckdb_DuckDBNative_duckdb_1jdbc_1create_1db_1ref
 _Java_org_duckdb_DuckDBNative_duckdb_1jdbc_1destroy_1db_1ref
 _Java_org_duckdb_DuckDBNative_duckdb_1jdbc_1db_1address
-_Java_org_duckdb_DuckDBNative_duckdb_1jdbc_1create_1extension_1type
 _Java_org_duckdb_DuckDBNative_duckdb_1jdbc_1disconnect
 _Java_org_duckdb_DuckDBNative_duckdb_1jdbc_1execute
 _Java_org_duckdb_DuckDBNative_duckdb_1jdbc_1execute_1capi

duckdb_java.map

@@ -26,7 +26,6 @@ DUCKDB_JAVA {
     Java_org_duckdb_DuckDBNative_duckdb_1jdbc_1create_1db_1ref;
     Java_org_duckdb_DuckDBNative_duckdb_1jdbc_1destroy_1db_1ref;
     Java_org_duckdb_DuckDBNative_duckdb_1jdbc_1db_1address;
-    Java_org_duckdb_DuckDBNative_duckdb_1jdbc_1create_1extension_1type;
     Java_org_duckdb_DuckDBNative_duckdb_1jdbc_1disconnect;
     Java_org_duckdb_DuckDBNative_duckdb_1jdbc_1execute;
     Java_org_duckdb_DuckDBNative_duckdb_1jdbc_1execute_1capi;

src/jni/duckdb_java.cpp

@@ -1001,25 +1001,6 @@ void _duckdb_jdbc_arrow_register(JNIEnv *env, jclass, jobject conn_ref_buf, jlon
 	conn->TableFunction("arrow_scan_dumb", parameters)->CreateView(Identifier(name), true, true);
 }
 
-void _duckdb_jdbc_create_extension_type(JNIEnv *env, jclass, jobject conn_buf) {
-
-	auto connection = get_connection(env, conn_buf);
-	if (!connection) {
-		return;
-	}
-
-	auto &db_instance = DatabaseInstance::GetDatabase(*connection->context);
-	ExtensionLoader loader(db_instance, "jdbc");
-	child_list_t<LogicalType> children = {{"hello", LogicalType::VARCHAR}, {"world", LogicalType::VARCHAR}};
-	auto hello_world_type = LogicalType::STRUCT(children);
-	hello_world_type.SetAlias("test_type");
-	loader.RegisterType("test_type", hello_world_type);
-
-	LogicalType byte_test_type_type = LogicalTypeId::BLOB;
-	byte_test_type_type.SetAlias("byte_test_type");
-	loader.RegisterType("byte_test_type", byte_test_type_type);
-}
-
 static ProfilerPrintFormat GetProfilerPrintFormat(JNIEnv *env, jobject format) {
 	jobject jname = env->CallObjectMethod(format, J_ProfilerPrintFormat_getName);
 	check_java_exception_and_rethrow(env);

src/jni/functions.cpp

@@ -483,16 +483,6 @@ JNIEXPORT void JNICALL Java_org_duckdb_DuckDBNative_duckdb_1jdbc_1appender_1appe
 	}
 }
 
-JNIEXPORT void JNICALL Java_org_duckdb_DuckDBNative_duckdb_1jdbc_1create_1extension_1type(JNIEnv * env, jclass param0, jobject param1) {
-	try {
-		return _duckdb_jdbc_create_extension_type(env, param0, param1);
-	} catch (const std::exception &e) {
-		duckdb::ErrorData error(e);
-		ThrowJNI(env, error.Message().c_str());
-
-	}
-}
-
 JNIEXPORT jstring JNICALL Java_org_duckdb_DuckDBNative_duckdb_1jdbc_1get_1profiling_1information(JNIEnv * env, jclass param0, jobject param1, jobject param2) {
 	try {
 		return _duckdb_jdbc_get_profiling_information(env, param0, param1, param2);

src/jni/functions.hpp

@@ -193,10 +193,6 @@ void _duckdb_jdbc_appender_append_null(JNIEnv * env, jclass param0, jobject para
 
 JNIEXPORT void JNICALL Java_org_duckdb_DuckDBNative_duckdb_1jdbc_1appender_1append_1null(JNIEnv * env, jclass param0, jobject param1);
 
-void _duckdb_jdbc_create_extension_type(JNIEnv * env, jclass param0, jobject param1);
-
-JNIEXPORT void JNICALL Java_org_duckdb_DuckDBNative_duckdb_1jdbc_1create_1extension_1type(JNIEnv * env, jclass param0, jobject param1);
-
 jstring _duckdb_jdbc_get_profiling_information(JNIEnv * env, jclass param0, jobject param1, jobject param2);
 
 JNIEXPORT jstring JNICALL Java_org_duckdb_DuckDBNative_duckdb_1jdbc_1get_1profiling_1information(JNIEnv * env, jclass param0, jobject param1, jobject param2);

src/main/java/org/duckdb/DuckDBNative.java

@@ -240,13 +240,7 @@ static native void duckdb_jdbc_appender_append_decimal(ByteBuffer appender_ref,
 
     static native void duckdb_jdbc_appender_append_null(ByteBuffer appender_ref) throws SQLException;
 
-    static native void duckdb_jdbc_create_extension_type(ByteBuffer conn_ref) throws SQLException;
-
     protected static native String duckdb_jdbc_get_profiling_information(ByteBuffer conn_ref,
                                                                          ProfilerPrintFormat format)
         throws SQLException;
-
-    public static void duckdb_jdbc_create_extension_type(DuckDBConnection conn) throws SQLException {
-        duckdb_jdbc_create_extension_type(conn.connRef);
-    }
 }

src/test/java/org/duckdb/TestDuckDBJDBC.java

@@ -2328,7 +2328,7 @@ public static void main(String[] args) throws Exception {
                 runTests(args, TestDuckDBJDBC.class, TestAppender.class, TestAppenderCollection.class,
                          TestAppenderCollection2D.class, TestAppenderComposite.class, TestSingleValueAppender.class,
                          TestBatch.class, TestBindings.class, TestChunkedResult.class, TestClosure.class,
-                         TestExtensionTypes.class, TestJfrEvents.class, TestMetadata.class, /* TestNoLib.class ,*/
+                         TestJfrEvents.class, TestMetadata.class, /* TestNoLib.class ,*/
                          TestSpatial.class, TestParameterMetadata.class, TestPrepare.class, TestResults.class,
                          TestScalarFunctions.class, TestSessionInit.class, TestTableFunctions.class,
                          TestTimestamp.class, TestVariant.class);