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// file : evolution/drop-table/driver.cxx
// copyright : Copyright (c) 2009-2019 Code Synthesis Tools CC
// license : GNU GPL v2; see accompanying LICENSE file
// Test dropping a table (object, container).
//
#include <memory> // std::auto_ptr
#include <cassert>
#include <iostream>
#include <odb/database.hxx>
#include <odb/transaction.hxx>
#include <odb/schema-catalog.hxx>
#include <common/common.hxx>
#include "test2.hxx"
#include "test3.hxx"
#include "test2-odb.hxx"
#include "test3-odb.hxx"
using namespace std;
using namespace odb::core;
int
main (int argc, char* argv[])
{
try
{
auto_ptr<database> db (create_database (argc, argv, false));
bool embedded (schema_catalog::exists (*db));
// 1 - base version
// 2 - migration
// 3 - current version
//
unsigned short pass (*argv[argc - 1] - '0');
switch (pass)
{
case 1:
{
if (embedded)
{
transaction t (db->begin ());
schema_catalog::drop_schema (*db);
schema_catalog::create_schema (*db, "", false);
schema_catalog::migrate_schema (*db, 2);
t.commit ();
}
{
using namespace v2;
object1 o1;
o1.o = new object (1);
o1.o->str = "abc";
o1.nums.push_back (1);
o1.nums.push_back (2);
o1.nums.push_back (3);
{
transaction t (db->begin ());
db->persist (o1.o);
db->persist (o1);
t.commit ();
}
}
// Polymorphism test.
//
{
// We have to use v3 here because the discriminator includes
// the namespace.
//
using namespace v3;
base b (123, "abc");
derived d1 (234, "bcd");
derived d2 (345, "cde");
{
transaction t (db->begin ());
db->persist (b);
db->persist (d1);
db->persist (d2);
t.commit ();
}
}
break;
}
case 2:
{
using namespace v3;
if (embedded)
{
transaction t (db->begin ());
schema_catalog::migrate_schema_pre (*db, 3);
t.commit ();
}
// Both object and object1 are still there so we can migrate the data.
//
typedef odb::query<object1> query;
typedef odb::result<object1> result;
{
transaction t (db->begin ());
result r (db->query<object1> (query::o->str == "abc"));
result::iterator i (r.begin ()), e (r.end ());
assert (i != e &&
i->o->id_ == 1 &&
i->nums[0] == 1 && i->nums[1] == 2 && i->nums[2] == 3);
assert (++i == e);
t.commit ();
}
if (embedded)
{
transaction t (db->begin ());
schema_catalog::migrate_schema_post (*db, 3);
t.commit ();
}
break;
}
case 3:
{
using namespace v3;
// Only object is still there.
//
{
transaction t (db->begin ());
auto_ptr<object> p (db->load<object> (1));
assert (p->str == "abc");
t.commit ();
}
// Polymorphism test.
//
{
transaction t (db->begin ());
assert (size (db->query<root> ()) == 1);
assert (size (db->query<base> ()) == 1);
t.commit ();
}
break;
}
default:
{
cerr << "unknown pass number '" << argv[argc - 1] << "'" << endl;
return 1;
}
}
}
catch (const odb::exception& e)
{
cerr << e.what () << endl;
return 1;
}
}
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