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// file : evolution/drop-column/driver.cxx
// license : GNU GPL v2; see accompanying LICENSE file
// Test dropping a column.
//
#include <memory> // std::unique_ptr
#include <iostream>
#include <odb/database.hxx>
#include <odb/transaction.hxx>
#include <odb/schema-catalog.hxx>
#include <libcommon/common.hxx>
#include "test2.hxx"
#include "test3.hxx"
#include "test2-odb.hxx"
#include "test3-odb.hxx"
#undef NDEBUG
#include <cassert>
using namespace std;
using namespace odb::core;
int
main (int argc, char* argv[])
{
try
{
unique_ptr<database> db (create_database (argc, argv, false));
db->schema_version_table ("evo_drop_c_sv");
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);
schema_catalog::create_schema (*db, "", false);
schema_catalog::migrate_schema (*db, 2);
t.commit ();
}
object o (1);
o.str = "abc";
o.num = 123;
o.ptr = new object1 (1, 2);
{
transaction t (db->begin ());
db->persist (*o.ptr);
db->persist (o);
t.commit ();
}
break;
}
case 2:
{
using namespace v3;
if (embedded)
{
transaction t (db->begin ());
schema_catalog::migrate_schema_pre (*db, 3);
t.commit ();
}
// Things are still there.
//
{
transaction t (db->begin ());
unique_ptr<object> p (db->load<object> (1));
assert (p->str == "abc");
assert (p->num == 123);
assert (p->ptr->id.x == 1 && p->ptr->id.y == 2);
t.commit ();
}
if (embedded)
{
transaction t (db->begin ());
schema_catalog::migrate_schema_post (*db, 3);
t.commit ();
}
break;
}
case 3:
{
using namespace v3;
// Now they are gone.
//
{
transaction t (db->begin ());
unique_ptr<object> p (db->load<object> (1));
assert (p->str == "" && p->ptr == 0);
db->erase<object1> (value (1, 2)); // SQLite logical delete test.
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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