Some changes

test/SQLTest.cpp

@@ -143,8 +143,23 @@ int main() {
 	});
 #endif
 
-#if true
+#if false
 	//{":hello", "world"}, {":yyyy", "xxx"}, {":numeric", 2}
 	sql::command((SqlManager*) nullptr, std::string("SELECT *"), {":hello", "world"}, {":numeric", 2});
 #endif
+
+	sql::mysql::MySQLManager manager;
+
+	if(!manager.connect("mysql://localhost:3306/test?userName=root&password=markus&connections=1")) {
+		cerr << "failed to connect" << endl;
+		return 1;
+	}
+
+	auto result = sql::command(&manager, "SELECT * FROM `level_miner`").query([](int length, std::string* values, std::string* names) {
+		cout << "-- entry" << endl;
+		for(int index = 0; index < length; index++) {
+			cout << " " << names[index] << " => " << values[index] << endl;
+		}
+	});
+	cout << result.fmtStr() << endl;
 }