mysql-cpp/MySql.cpp at master · Rawk/mysql-cpp · GitHub

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#include"MySql.hpp"
#include"MySqlException.hpp"

#include<cassert>
#include<cstdint>
#include<mysql/mysql.h>

#include<string>
#include<sstream>
#include<vector>


using std::string;
using std::vector;


MySql::MySql(
constchar* hostname,
constchar* username,
constchar* password,
constuint16_t port
)
#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 7)
 : MySql(hostname, username, password, nullptr, port)
{
}
#else
 : connection_(mysql_init(nullptr))
{
if (nullptr == connection_) {
throwMySqlException("Unable to connect to MySQL");
 }

constMYSQL* const success = mysql_real_connect(
 connection_,
 hostname,
 username,
 password,
nullptr,
 port,
nullptr,
0);
if (nullptr == success) {
 MySqlException mse(connection_);
mysql_close(connection_);
throw mse;
 }
}
#endif


MySql::MySql(
constchar* const hostname,
constchar* const username,
constchar* const password,
constchar* const database,
constuint16_t port
)
 : connection_(mysql_init(nullptr))
{
if (nullptr == connection_) {
throwMySqlException("Unable to connect to MySQL");
 }

constMYSQL* const success = mysql_real_connect(
 connection_,
 hostname,
 username,
 password,
 database,
 port,
nullptr,
0);
if (nullptr == success) {
 MySqlException mse(connection_);
mysql_close(connection_);
throw mse;
 }
}


MySql::~MySql() {
mysql_close(connection_);
}


my_ulonglong MySql::runCommand(constchar* const command) {
if (0 != mysql_real_query(connection_, command, strlen(command))) {
throwMySqlException(connection_);
 }

// If the user ran a SELECT statement or something else, at least warn them
const my_ulonglong affectedRows = mysql_affected_rows(connection_);
if ((my_ulonglong) - 1 == affectedRows) {
// Clean up after the query
MYSQL_RES* const result = mysql_store_result(connection_);
mysql_free_result(result);

throwMySqlException("Tried to run query with runCommand");
 }

return affectedRows;
}


MySqlPreparedStatement MySql::prepareStatement(constchar* const command) const {
returnMySqlPreparedStatement(command, connection_);
}