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// file : libcommon/common.cxx
// license : GNU GPL v2; see accompanying LICENSE file
#include <cstdlib> // std::exit
#include <utility> // std::move
#include <iostream>
#include <odb/database.hxx>
#include <libcommon/config.hxx>
#include <libcommon/common.hxx>
using namespace std;
using namespace odb::core;
// MySQL.
//
#if defined(DATABASE_MYSQL)
#include <odb/mysql/database.hxx>
#include <odb/mysql/connection-factory.hxx>
static unique_ptr<database>
create_mysql_database (int& argc, char* argv[], bool, size_t max_connections)
{
namespace mysql = odb::mysql;
unique_ptr<mysql::connection_factory> f;
if (max_connections != 0)
f.reset (new mysql::connection_pool_factory (max_connections));
return unique_ptr<database> (
new mysql::database (argc, argv, false, "", 0, move (f)));
}
#endif // MySQL
// SQLite.
//
#if defined(DATABASE_SQLITE)
#include <odb/connection.hxx>
#include <odb/transaction.hxx>
#include <odb/schema-catalog.hxx>
#include <odb/sqlite/database.hxx>
#include <odb/sqlite/connection-factory.hxx>
static unique_ptr<database>
create_sqlite_database (int& argc,
char* argv[],
bool schema,
size_t max_connections)
{
namespace sqlite = odb::sqlite;
unique_ptr<sqlite::connection_factory> f;
if (max_connections != 0)
f.reset (new sqlite::connection_pool_factory (max_connections));
unique_ptr<database> db (
new sqlite::database (
argc, argv, false,
SQLITE_OPEN_READWRITE
| SQLITE_OPEN_CREATE
#ifdef SQLITE_OPEN_URI
| SQLITE_OPEN_URI
#endif
,
true,
"",
move (f)));
// Create the database schema. Due to bugs in SQLite foreign key
// support for DDL statements, we need to temporarily disable
// foreign keys.
//
if (schema)
{
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");
}
return db;
}
#endif // SQLite
// PostgreSQL.
//
#if defined(DATABASE_PGSQL)
#include <odb/pgsql/database.hxx>
#include <odb/pgsql/connection-factory.hxx>
static unique_ptr<database>
create_pgsql_database (int& argc, char* argv[], bool, size_t max_connections)
{
namespace pgsql = odb::pgsql;
unique_ptr<pgsql::connection_factory> f;
if (max_connections != 0)
f.reset (new pgsql::connection_pool_factory (max_connections));
return unique_ptr<database> (
new pgsql::database (argc, argv, false, "", move (f)));
}
#endif // PostgreSQL
// Oracle.
//
#if defined(DATABASE_ORACLE)
#include <odb/oracle/database.hxx>
#include <odb/oracle/connection-factory.hxx>
static unique_ptr<database>
create_oracle_database (int& argc, char* argv[], bool, size_t max_connections)
{
namespace oracle = odb::oracle;
unique_ptr<oracle::connection_factory> f;
if (max_connections != 0)
f.reset (new oracle::connection_pool_factory (max_connections));
// Set client database character set and client national character set
// to UTF-8.
//
return unique_ptr<database> (
new oracle::database (argc, argv, false, 873, 873, 0, move (f)));
}
#endif // Oracle
// SQL Server.
//
#if defined(DATABASE_MSSQL)
#include <odb/mssql/database.hxx>
#include <odb/mssql/connection-factory.hxx>
static unique_ptr<database>
create_mssql_database (int& argc, char* argv[], bool, size_t max_connections)
{
namespace mssql = odb::mssql;
unique_ptr<mssql::connection_factory> f;
if (max_connections != 0)
f.reset (new mssql::connection_pool_factory (max_connections));
return unique_ptr<database> (
new mssql::database (argc, argv, false, "",
mssql::isolation_read_committed, 0, move (f)));
}
#endif // SQL Server
//
//
unique_ptr<database>
create_database (int argc,
char* argv[],
bool schema,
size_t max_connections,
#if defined(MULTI_DATABASE)
odb::database_id db
#else
odb::database_id
#endif
)
{
char** argp = argv + 1; // Position of the next argument. Assignment for VC8.
int argn (argc - 1); // Number of arguments left.
#if defined(MULTI_DATABASE)
// Figure out which database we are creating. We may be given the
// database name as a program argument or as an id.
//
if (db == odb::id_common && argn != 0)
{
string s (*argp);
if (s == "mysql")
db = odb::id_mysql;
else if (s == "sqlite")
db = odb::id_sqlite;
else if (s == "pgsql")
db = odb::id_pgsql;
else if (s == "oracle")
db = odb::id_oracle;
else if (s == "mssql")
db = odb::id_mssql;
if (db != odb::id_common)
{
argp++;
argn--;
}
}
if (db == odb::id_common)
{
cerr << "Usage: " << argv[0] << " <db> [options]" << endl;
exit (1);
}
#endif
if (argn != 0 && *argp == string ("--help"))
{
#if defined(MULTI_DATABASE)
cout << "Usage: " << argv[0] << " <db> [options]" << endl;
#else
cout << "Usage: " << argv[0] << " [options]" << endl;
#endif
cout << "Options:" << endl;
#if defined(MULTI_DATABASE)
switch (db)
{
case odb::id_mysql:
#if defined(DATABASE_MYSQL)
odb::mysql::database::print_usage (cout);
#else
assert (false);
#endif
break;
case odb::id_sqlite:
#if defined(DATABASE_SQLITE)
odb::sqlite::database::print_usage (cout);
#else
assert (false);
#endif
break;
case odb::id_pgsql:
#if defined(DATABASE_PGSQL)
odb::pgsql::database::print_usage (cout);
#else
assert (false);
#endif
break;
case odb::id_oracle:
#if defined(DATABASE_ORACLE)
odb::oracle::database::print_usage (cout);
#else
assert (false);
#endif
break;
case odb::id_mssql:
#if defined(DATABASE_MSSQL)
odb::mssql::database::print_usage (cout);
#else
assert (false);
#endif
break;
case odb::id_common:
assert (false);
}
#elif 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);
#else
# error unknown database
#endif
exit (0);
}
#if defined(MULTI_DATABASE)
switch (db)
{
case odb::id_mysql:
#if defined(DATABASE_MYSQL)
return create_mysql_database (argc, argv, schema, max_connections);
#else
assert (false);
break;
#endif
case odb::id_sqlite:
#if defined(DATABASE_SQLITE)
return create_sqlite_database (argc, argv, schema, max_connections);
#else
assert (false);
break;
#endif
case odb::id_pgsql:
#if defined(DATABASE_PGSQL)
return create_pgsql_database (argc, argv, schema, max_connections);
#else
assert (false);
break;
#endif
case odb::id_oracle:
#if defined(DATABASE_ORACLE)
return create_oracle_database (argc, argv, schema, max_connections);
#else
assert (false);
break;
#endif
case odb::id_mssql:
#if defined(DATABASE_MSSQL)
return create_mssql_database (argc, argv, schema, max_connections);
#else
assert (false);
break;
#endif
case odb::id_common:
assert (false);
}
return unique_ptr<database> ();
#elif defined(DATABASE_MYSQL)
return create_mysql_database (argc, argv, schema, max_connections);
#elif defined(DATABASE_SQLITE)
return create_sqlite_database (argc, argv, schema, max_connections);
#elif defined(DATABASE_PGSQL)
return create_pgsql_database (argc, argv, schema, max_connections);
#elif defined(DATABASE_ORACLE)
return create_oracle_database (argc, argv, schema, max_connections);
#elif defined(DATABASE_MSSQL)
return create_mssql_database (argc, argv, schema, max_connections);
#else
# error unknown database
#endif
}
bool
size_available ()
{
#if defined(MULTI_DATABASE) || \
defined(DATABASE_SQLITE) || \
defined(DATABASE_ORACLE) || \
defined(DATABASE_MSSQL)
return false;
#else
return true;
#endif
}
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