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// file : common/no-id/driver.cxx
// license : GNU GPL v2; see accompanying LICENSE file
// Test persistent classes without id.
//
#include <memory> // std::auto_ptr
#include <cassert>
#include <iostream>
#include <odb/database.hxx>
#include <odb/transaction.hxx>
#include <common/common.hxx>
#include "test.hxx"
#include "test-odb.hxx"
using namespace std;
using namespace odb::core;
int
main (int argc, char* argv[])
{
try
{
auto_ptr<database> db (create_database (argc, argv));
object o1 (1, "aaa");
object o2 (2, "bbb");
object o3 (3, "ccc");
// Persist.
//
{
transaction t (db->begin ());
db->persist (o1);
db->persist (o2);
db->persist (o2); // Ok, since there is no id.
db->persist (o3);
t.commit ();
}
// Compile errors.
//
{
//db->load<object> (1);
//db->find<object> (1);
//db->update (o1);
//db->erase<object> (1);
}
typedef odb::query<object> query;
typedef odb::result<object> result;
// Query.
//
{
transaction t (db->begin ());
{
result r (db->query<object> ());
assert (size (r) == 4);
}
{
result r (db->query<object> (query::str == "aaa"));
result::iterator i (r.begin ());
assert (i != r.end ());
assert (i->num == 1 && i->str == "aaa");
object o;
i.load (o);
//i.id (); // Compile-time error.
assert (o.num == 1 && o.str == "aaa");
assert (++i == r.end ());
}
{
result r (db->query<object> (query::num < 3));
assert (size (r) == 3);
}
t.commit ();
}
// Erase (query).
//
{
transaction t (db->begin ());
assert (db->erase_query<object> (query::num == 2) == 2);
assert (db->erase_query<object> () == 2);
t.commit ();
}
}
catch (const odb::exception& e)
{
cerr << e.what () << endl;
return 1;
}
}
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