34 lines
1.2 KiB
C++
34 lines
1.2 KiB
C++
#include <QtSql>
|
|
#include <iostream>
|
|
|
|
// Command line arguments: data-source user password
|
|
// Obviously in a real application the password would be obtained in a secure manner.
|
|
|
|
int main(int argc, char *argv[]) {
|
|
if (argc != 4) {
|
|
std::cerr << "Usage: " << argv[0] << " data-source user password\n";
|
|
return 1;
|
|
}
|
|
QSqlDatabase db = QSqlDatabase::addDatabase("QODBC");
|
|
db.setDatabaseName(argv[1]);
|
|
if (!db.open(argv[2], argv[3])) {
|
|
auto error = db.lastError();
|
|
std::cerr << "Cannot connect to data source: " << error.text().toStdString() << '\n';
|
|
} else {
|
|
std::cout << "Connected to data source.\n";
|
|
QSqlQuery query(db);
|
|
query.prepare("UPDATE players SET name = ?, score = ?, active = ? WHERE jerseyNum = ?");
|
|
query.bindValue(0, "Smith, Steve");
|
|
query.bindValue(1, 42);
|
|
query.bindValue(2, true);
|
|
query.bindValue(3, 99);
|
|
if (!query.exec()) {
|
|
auto error = db.lastError();
|
|
std::cerr << "Cannot update database: " << error.text().toStdString() << '\n';
|
|
} else {
|
|
std::cout << "Update succeeded.\n";
|
|
}
|
|
}
|
|
return 0;
|
|
}
|