/**
* Returns the database object identified by $db_name.
*
* Subsequent calls to this function with the same parameter will return the same database
* instance, instead of creating a new one.
*
* @param string $db_name
*
* @return GlueDB_Database
*/
public static function db($db_name = GlueDB_Database::DEFAULTDB)
{
return GlueDB_Database::get($db_name);
}
