getInstance();
}
/**
* Setup the database driver and execute schema migration
*
* @return PicoDb\Database
*/
public function getInstance()
{
switch (DB_DRIVER) {
case 'sqlite':
$db = $this->getSqliteInstance();
break;
case 'mysql':
$db = $this->getMysqlInstance();
break;
case 'postgres':
$db = $this->getPostgresInstance();
break;
default:
die('Database driver not supported');
}
if ($db->schema()->check(\Schema\VERSION)) {
return $db;
}
else {
$errors = $db->getLogMessages();
die('Unable to migrate database schema:
'.(isset($errors[0]) ? $errors[0] : 'Unknown error').'');
}
}
/**
* Setup the Sqlite database driver
*
* @return PicoDb\Database
*/
function getSqliteInstance()
{
require_once __DIR__.'/../Schema/Sqlite.php';
return new Dbal(array(
'driver' => 'sqlite',
'filename' => DB_FILENAME
));
}
/**
* Setup the Mysql database driver
*
* @return PicoDb\Database
*/
function getMysqlInstance()
{
require_once __DIR__.'/../Schema/Mysql.php';
return new Dbal(array(
'driver' => 'mysql',
'hostname' => DB_HOSTNAME,
'username' => DB_USERNAME,
'password' => DB_PASSWORD,
'database' => DB_NAME,
'charset' => 'utf8',
));
}
/**
* Setup the Postgres database driver
*
* @return PicoDb\Database
*/
public function getPostgresInstance()
{
require_once __DIR__.'/../Schema/Postgres.php';
return new Dbal(array(
'driver' => 'postgres',
'hostname' => DB_HOSTNAME,
'username' => DB_USERNAME,
'password' => DB_PASSWORD,
'database' => DB_NAME,
));
}
}