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// file : evolution/drop-foreign-key/model.hxx
// copyright : Copyright (c) 2009-2019 Code Synthesis Tools CC
// license : GNU GPL v2; see accompanying LICENSE file
#ifndef MODEL_VERSION
# error model.hxx included directly
#endif
#include <string>
#include <odb/core.hxx>
#include <common/config.hxx> // DATABASE_XXX
#pragma db model version(1, MODEL_VERSION)
#define MODEL_NAMESPACE_IMPL(V) v##V
#define MODEL_NAMESPACE(V) MODEL_NAMESPACE_IMPL(V)
namespace MODEL_NAMESPACE(MODEL_VERSION)
{
#pragma db object
struct object
{
#pragma db id
unsigned long id_;
// SQLite doesn't support dropping of foreign keys.
//
#ifndef DATABASE_SQLITE
#if MODEL_VERSION == 2
object* o1;
object* o2;
object (unsigned long id = 0): id_ (id), o1 (0), o2 (0) {}
~object () {delete o1; delete o2;}
#else
#pragma db null
unsigned long o1;
#pragma db null
unsigned long o2;
object (unsigned long id = 0): id_ (id) {}
#endif
#endif
};
}
#undef MODEL_NAMESPACE
#undef MODEL_NAMESPACE_IMPL
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