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// file : inheritance/polymorphism/database.hxx
// copyright : not copyrighted - public domain
//
// Create concrete database instance based on the DATABASE_* macros.
//
#ifndef DATABASE_HXX
#define DATABASE_HXX
#include <string>
#include <memory> // std::auto_ptr
#include <cstdlib> // std::exit
#include <iostream>
#include <odb/database.hxx>
#if defined(DATABASE_MYSQL)
# include <odb/mysql/database.hxx>
#elif defined(DATABASE_SQLITE)
# include <odb/connection.hxx>
# include <odb/transaction.hxx>
# include <odb/schema-catalog.hxx>
# include <odb/sqlite/database.hxx>
#elif defined(DATABASE_PGSQL)
# include <odb/pgsql/database.hxx>
#elif defined(DATABASE_ORACLE)
# include <odb/oracle/database.hxx>
#elif defined(DATABASE_MSSQL)
# include <odb/mssql/database.hxx>
#else
# error unknown database; did you forget to define the DATABASE_* macros?
#endif
inline std::auto_ptr<odb::database>
create_database (int& argc, char* argv[])
{
using namespace std;
using namespace odb::core;
if (argc > 1 && argv[1] == string ("--help"))
{
cout << "Usage: " << argv[0] << " [options]" << endl
<< "Options:" << endl;
#if defined(DATABASE_MYSQL)
odb::mysql::database::print_usage (cout);
#elif defined(DATABASE_SQLITE)
odb::sqlite::database::print_usage (cout);
#elif defined(DATABASE_PGSQL)
odb::pgsql::database::print_usage (cout);
#elif defined(DATABASE_ORACLE)
odb::oracle::database::print_usage (cout);
#elif defined(DATABASE_MSSQL)
odb::mssql::database::print_usage (cout);
#endif
exit (0);
}
#if defined(DATABASE_MYSQL)
auto_ptr<database> db (new odb::mysql::database (argc, argv));
#elif defined(DATABASE_SQLITE)
auto_ptr<database> db (
new odb::sqlite::database (
argc, argv, false, SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE));
// Create the database schema. Due to bugs in SQLite foreign key
// support for DDL statements, we need to temporarily disable
// foreign keys.
//
{
connection_ptr c (db->connection ());
c->execute ("PRAGMA foreign_keys=OFF");
transaction t (c->begin ());
schema_catalog::create_schema (*db);
t.commit ();
c->execute ("PRAGMA foreign_keys=ON");
}
#elif defined(DATABASE_PGSQL)
auto_ptr<database> db (new odb::pgsql::database (argc, argv));
#elif defined(DATABASE_ORACLE)
auto_ptr<database> db (new odb::oracle::database (argc, argv));
#elif defined(DATABASE_MSSQL)
auto_ptr<database> db (new odb::mssql::database (argc, argv));
#endif
return db;
}
#endif // DATABASE_HXX
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