/* Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved. The MySQL Connector/C++ is licensed under the terms of the GPL <http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>, like most MySQL Connectors. There are special exceptions to the terms and conditions of the GPL as it is applied to this software, see the FLOSS License Exception <http://www.mysql.com/about/legal/licensing/foss-exception.html>. */ /* Standard C++ includes */ #include <stdlib.h> #include <iostream> /* Include directly the different headers from cppconn/ and mysql_driver.h + mysql_util.h (and mysql_connection.h). This will reduce your build time! */ #include "mysql_connection.h" #include <cppconn/driver.h> #include <cppconn/exception.h> #include <cppconn/resultset.h> #include <cppconn/statement.h> #include <cppconn/prepared_statement.h> using namespace std; int main(void) { cout << endl; cout << "Let's have MySQL count from 10 to 1..." << endl; try { sql::Driver *driver; sql::Connection *con; sql::Statement *stmt; sql::ResultSet *res; sql::PreparedStatement *pstmt; /* Create a connection */ driver = sql::mysql::get_driver_instance(); con = driver->connect("tcp://127.0.0.1:3306", "root", "root"); /* Connect to the MySQL test database */ con->setSchema("test"); stmt = con->createStatement(); stmt->execute("DROP TABLE IF EXISTS test"); stmt->execute("CREATE TABLE test(id INT)"); delete stmt; /* '?' is the supported placeholder syntax */ pstmt = con->prepareStatement("INSERT INTO test(id) VALUES (?)"); for (int i = 1; i <= 10; i++) { pstmt->setInt(1, i); pstmt->executeUpdate(); } delete pstmt; /* Select in ascending order */ pstmt = con->prepareStatement("SELECT id FROM test ORDER BY id ASC"); res = pstmt->executeQuery(); /* Fetch in reverse = descending order! */ res->afterLast(); while (res->previous()) cout << "\t... MySQL counts: " << res->getInt("id") << endl; delete res; delete pstmt; delete con; } catch (sql::SQLException &e) { cout << "# ERR: SQLException in " << __FILE__; cout << "(" << __FUNCTION__ << ") on line " << __LINE__ << endl; cout << "# ERR: " << e.what(); cout << " (MySQL error code: " << e.getErrorCode(); cout << ", SQLState: " << e.getSQLState() << " )" << endl; } cout << endl; return EXIT_SUCCESS; }