public function down(Schema $schema)
{
$this->abortIf($this->connection->getDatabasePlatform()->getName() != "mysql");
$this->addSql("ALTER TABLE typo3_typo3cr_domain_model_nodedata CHANGE path path VARCHAR(255) NOT NULL");
$this->addSql("ALTER TABLE typo3_typo3cr_domain_model_nodedata CHANGE parentpath parentpath VARCHAR(255) NOT NULL");
}