[Solved]QSqlDatabasd and undefined reference issue

Naouali

Hi guys ,
I ùm trying to connet to mysql database but i get a list of undefined reference when i compile the project.
Here's my code
@#ifndef DATABASE_H
#define DATABASE_H

#include <QtSql/QSqlDatabase>
#include <QtSql/QSqlError>
#include <QDebug>

class database
{
public:
database(/QString username,QString password,QString host/);
static bool createConnection();
private:
QString username;
QString password;
QString host;
};

#endif // DATABASE_H

#include "database.h"

database::database()
{
}
static bool createConnection(){
QSqlDatabase db =QSqlDatabase::addDatabase("QMYSQL");
db.setHostName("localhost");
db.setDatabaseName("mysql");
db.setUserName("root");
db.setPassword("morpheus2011");
if (!db.open()){qDebug() << "Failed to connect to root mysql admin";return false;}
else return true;
}

here's the undefined reference list:
/home/aladin/Projects/Qt/pfe/database.cpp:7: error: undefined reference to QSqlDatabase::defaultConnection' /home/aladin/Projects/Qt/pfe/database.cpp:7: error: undefined reference to QSqlDatabase::addDatabase(QString const&, QString const&)'
/home/aladin/Projects/Qt/pfe/database.cpp:8: error: undefined reference to `QSqlDatabase::setHostName(QString const&)'
the list is long :)

@
can anyone help me ?

Thanks in advance.

Naouali

OK , i solved that added this line #include <QtSql> to database.h and QT +=sql to .pro file but when i run the program i get a new error :
QSqlDatabase: QMYSQL driver not loaded
QSqlDatabase: available drivers: QSQLITE
Failed to connect to root mysql admin
false

how to solve that ?

Eddy

click on the mysql tag on the right of your screen.
You will find several explanations on how to get the mysql driver on different operating systems.

or use this link:
http://developer.qt.nokia.com/search/tag/mysql

Naouali

the problem was solved , i have two installation of Qt , i used the one installed from repository (ubuntu ) and it works fine .
thanks for your help .