// 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