// file : inheritance/reuse/driver.cxx // copyright : not copyrighted - public domain #include <memory> // std::auto_ptr #include <iostream> #include <odb/database.hxx> #include <odb/transaction.hxx> #include "database.hxx" // create_database #include "employee.hxx" #include "employee-odb.hxx" using namespace std; using namespace odb::core; int main (int argc, char* argv[]) { try { auto_ptr<database> db (create_database (argc, argv)); // Add a few employees and contractors to the database. // { permanent_employee p1 ("John", "Doe"); permanent_employee p2 ("Jane", "Doe"); temporary_employee t1 ("John", "Smith", 6); temporary_employee t2 ("Jane", "Smith", 12); contractor c1 ("Joe", "Doe", "j.doe@example.com"); contractor c2 ("Joe", "Smith", "j.smith@example.com"); transaction t (db->begin ()); db->persist (p1); db->persist (p2); db->persist (t1); db->persist (t2); db->persist (c1); db->persist (c2); t.commit (); } // Lookup a contractor based on the email address. // { transaction t (db->begin ()); auto_ptr<contractor> c (db->load<contractor> ("j.smith@example.com")); t.commit (); cout << c->first () << " " << c->last () << " " << c->email () << endl; } // Query for temporary employees that have John as the first name. // { typedef odb::query<temporary_employee> query; typedef odb::result<temporary_employee> result; transaction t (db->begin ()); result r (db->query<temporary_employee> (query::first == "John")); for (result::iterator i (r.begin ()); i != r.end (); ++i) { cout << i->first () << " " << i->last () << " " << i->duration () << " months" << endl; } t.commit (); } } catch (const odb::exception& e) { cerr << e.what () << endl; return 1; } }