The following code shows a complete example of how to use MySQL Connector/C++:
/* Copyright 2008 Sun Microsystems, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; version 2 of the License. There are special exceptions to the terms and conditions of the GPL as it is applied to this software. View the full text of the exception in file EXCEPTIONS-CONNECTOR-C++ in the directory of this software distribution. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ /* 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 = 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; }
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