case 'sqlite':
$this->addSql('ALTER TABLE '.$this->getTable('oauth2_clients').' ADD name longtext DEFAULT NULL');
break;
+
case 'mysql':
$this->addSql('ALTER TABLE '.$this->getTable('oauth2_clients').' ADD name longtext COLLATE \'utf8_unicode_ci\' DEFAULT NULL');
break;
+
case 'postgresql':
$this->addSql('ALTER TABLE '.$this->getTable('oauth2_clients').' ADD name text DEFAULT NULL');
}