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| ##include "mainwindow.h"
#include <QApplication>
#include <QDebug>
#include <QSqlDatabase>
#include <QSqlError>
#include <QSqlQuery>
#include <QSqlTableModel>
#include <QSqlRecord>
#include <QDateTime>
#include <QString>
#include <QTime>
int main(int argc, char *argv[])
{
QApplication a(argc, argv);
MainWindow w;
w.show();
QSqlDatabase db = QSqlDatabase::addDatabase("QPSQL");
db.setHostName("xxx.xxx.xxx.xxx");
db.setUserName("xxxxxxxxxxr");
db.setPassword("xxxxxxxxxx");
db.setDatabaseName("xxxxxxxxxx");
qDebug() << db.isValid();
if (!db.open()) {
qDebug() << db.lastError();
qDebug() << "Connexion FAILED.";
qDebug() << "Driver disponible: " << db.drivers();
qDebug() << "Driver fonctionnel(QPSQL): " << db.isDriverAvailable("QPSQL");
qDebug() << "numero de l'erreur: " << db.lastError().number();
qDebug() << "database erreur: " << db.lastError().databaseText();
qDebug() << "driver erreur: " << db.lastError().driverText();
qDebug() << "type erreur: " << db.lastError().type();
qFatal("Impossible de se connecter à la base.");
}
qDebug() << "Vous êtes connecté à " << db.hostName();
int dbcount;
QSqlQuery query(db);
query.exec("SELECT COUNT(*) FROM test2012");
while (query.next()) {
dbcount = query.value(0).toInt();
qDebug() << dbcount;
}
bool bOK;
int rowsToAdd = 100; //Insertion de 100 lignes
QString str;
QDateTime dtnow;
QTime time;
bOK = true;
if (db.transaction()) {
time.start();
query.prepare("INSERT INTO test2012 (teid, tenom) VALUES (:teid, :tenom)");
for (int i = 0 ; i < rowsToAdd ; i++) {
dtnow = QDateTime::currentDateTime();
str = dtnow.toString("yyyyMMddHHmmsszzz")+ QString::number(i);
query.bindValue(":teid", str);
query.bindValue(":tenom", str);
if (!query.exec()) {
bOK = false;
break;
}
}
if (bOK == true) {
db.commit();
qDebug() << "Succès Insertion 100 - " << time.elapsed() << "millisecondes";
} else {
db.rollback();
qDebug() << "Echec Insertion 100 - " << time.elapsed() << "millisecondes";
}
}
query.exec("SELECT COUNT(*) FROM test2012");
while (query.next()) {
dbcount = query.value(0).toInt();
qDebug() << dbcount;
}
time.start();
QSqlTableModel model(0, db);
model.setEditStrategy(QSqlTableModel::OnManualSubmit);
model.setTable("test2012");
model.select();
int rowCount = model.rowCount();
qDebug() << rowCount;
model.database().transaction();
if(!model.insertRows(rowCount, rowsToAdd)) {
qDebug() << "insertRows" << model.lastError().text();
return 0;
}
int idIndex = model.record().indexOf("teid");
int nomIndex = model.record().indexOf("tenom");
for (int i = 0 ; i < rowsToAdd ; i++) {
dtnow = QDateTime::currentDateTime();
str = dtnow.toString("yyyyMMddHHmmsszzz")+ QString::number(i);
model.setData(model.index(rowCount +i, idIndex),str);
model.setData(model.index(rowCount +i, nomIndex),str);
}
if(model.submitAll()) {
model.database().commit();
qDebug() << "Ecriture 100 - " << time.elapsed() << "millisecondes";
} else {
model.database().rollback();
qDebug() << "Database Write Error" <<
"The database reported an error: " <<
model.lastError().text();
}
query.exec("SELECT COUNT(*) FROM test2012");
while (query.next()) {
dbcount = query.value(0).toInt();
qDebug() << dbcount;
}
qDebug() << "Fermeture de la base.";
if (db.isOpen()) {
db.close();
}
return a.exec();
} |
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