public function down(Schema $schema)
{
$this->abortIf($this->connection->getDatabasePlatform()->getName() != "postgresql");
$this->addSql("ALTER TABLE typo3_typo3cr_domain_model_nodedata DROP CONSTRAINT fk_60a956b92d45fe4d");
$this->addSql("ALTER TABLE typo3_typo3cr_domain_model_nodedata ADD CONSTRAINT fk_60a956b92d45fe4d FOREIGN KEY (movedto) REFERENCES typo3_typo3cr_domain_model_nodedata (persistence_object_identifier) NOT DEFERRABLE INITIALLY IMMEDIATE");
}