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// file : evolution/version/driver.cxx
// copyright : Copyright (c) 2009-2015 Code Synthesis Tools CC
// license : GNU GPL v2; see accompanying LICENSE file
// Test schema version access via the database instance.
//
#include <memory> // std::auto_ptr
#include <cassert>
#include <iostream>
#include <odb/database.hxx>
#include <odb/transaction.hxx>
#include <odb/schema-catalog.hxx>
#include <common/config.hxx> // DATABASE_XXX
#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:
{
using namespace v2;
if (embedded)
{
transaction t (db->begin ());
schema_catalog::drop_schema (*db);
assert (db->schema_version () == 0);
schema_catalog::create_schema (*db, "", false);
assert (db->schema_version () == 1 && !db->schema_migration ());
schema_catalog::migrate_schema (*db, 2);
t.commit ();
}
assert (db->schema_version () == 2 && !db->schema_migration ());
{
transaction t (db->begin ());
object1 o1 (1);
o1.num = 123;
db->persist (o1);
t.commit ();
}
break;
}
case 2:
{
using namespace v2;
using namespace v3;
if (embedded)
{
assert (db->schema_version () == 2 && !db->schema_migration ());
transaction t (db->begin ());
schema_catalog::migrate_schema_pre (*db, 3);
t.commit ();
}
assert (db->schema_version () == 3 && db->schema_migration ());
{
transaction t (db->begin ());
auto_ptr<object1> o1 (db->load<object1> (1));
object2 o2 (1);
o2.num = o1->num;
db->persist (o2);
t.commit ();
}
if (embedded)
{
transaction t (db->begin ());
schema_catalog::migrate_schema_post (*db, 3);
t.commit ();
assert (db->schema_version () == 3 && !db->schema_migration ());
}
break;
}
case 3:
{
using namespace v3;
// In transaction.
//
{
transaction t (db->begin ());
assert (db->schema_version () == 3 && !db->schema_migration ());
t.commit ();
}
{
transaction t (db->begin ());
auto_ptr<object2> o2 (db->load<object2> (1));
assert (o2->num == 123);
t.commit ();
}
// Test the case where there is still no version table.
//
db->schema_version_migration (0, false);
{
transaction t (db->begin ());
#ifdef DATABASE_ORACLE
db->execute ("DROP TABLE \"schema_version\"");
#else
db->execute ("DROP TABLE schema_version");
#endif
t.commit ();
}
assert (db->schema_version () == 0);
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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