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/*
Copyright 2007 - 2008 MySQL AB, 2008 - 2010 Sun Microsystems, Inc. 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>.
*/
/**
* Basic example of creating a stand alone program linked against Connector/C++
*
* This example is not integrated into the Connector/C++ build environment.
* You must run "make install" prior to following the build instructions
* given here.
*
* To compile the standalone example on Linux try something like:
*
* /usr/bin/c++
* -o standalone
* -I/usr/local/include/cppconn/
* -Wl,-Bdynamic -lmysqlcppconn
* examples/standalone_example.cpp
*
* To run the example on Linux try something similar to:
*
* LD_LIBRARY_PATH=/usr/local/lib/ ./standalone localhost root root
*
*/
/* Standard C++ includes */
#include <stdlib.h>
#include <iostream>
#include <sstream>
#include <stdexcept>
/*
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 "mysql_driver.h"
#include <cppconn/driver.h>
#include <cppconn/exception.h>
#include <cppconn/resultset.h>
#include <cppconn/statement.h>
#define EXAMPLE_HOST "localhost"
#define EXAMPLE_USER "root"
#define EXAMPLE_PASS ""
#define EXAMPLE_DB "test"
using namespace std;
/**
* Usage example for Driver, Connection, (simple) Statement, ResultSet
*/
int main(int argc, const char **argv)
{
string url(argc >= 2 ? argv[1] : EXAMPLE_HOST);
const string user(argc >= 3 ? argv[2] : EXAMPLE_USER);
const string pass(argc >= 4 ? argv[3] : EXAMPLE_PASS);
const string database(argc >= 5 ? argv[4] : EXAMPLE_DB);
cout << endl;
cout << "Connector/C++ standalone program example..." << endl;
cout << endl;
try {
sql::Driver * driver = sql::mysql::get_driver_instance();
/* Using the Driver to create a connection */
std::auto_ptr< sql::Connection > con(driver->connect(url, user, pass));
con->setSchema(database);
std::auto_ptr< sql::Statement > stmt(con->createStatement());
std::auto_ptr< sql::ResultSet > res(stmt->executeQuery("SELECT 'Welcome to Connector/C++' AS _message"));
cout << "\t... running 'SELECT 'Welcome to Connector/C++' AS _message'" << endl;
while (res->next()) {
cout << "\t... MySQL replies: " << res->getString("_message") << endl;
cout << "\t... say it again, MySQL" << endl;
cout << "\t....MySQL replies: " << res->getString(1) << endl;
}
} catch (sql::SQLException &e) {
/*
The MySQL Connector/C++ throws three different exceptions:
- sql::MethodNotImplementedException (derived from sql::SQLException)
- sql::InvalidArgumentException (derived from sql::SQLException)
- sql::SQLException (derived from std::runtime_error)
*/
cout << "# ERR: SQLException in " << __FILE__;
cout << "(" << __FUNCTION__ << ") on line " << __LINE__ << endl;
/* Use what() (derived from std::runtime_error) to fetch the error message */
cout << "# ERR: " << e.what();
cout << " (MySQL error code: " << e.getErrorCode();
cout << ", SQLState: " << e.getSQLState() << " )" << endl;
return EXIT_FAILURE;
}
cout << endl;
cout << "... find more at http://www.mysql.com" << endl;
cout << endl;
return EXIT_SUCCESS;
}
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