public function down(Schema $schema)
{
$this->abortIf($this->connection->getDatabasePlatform()->getName() != "postgresql");
$this->addSql("ALTER TABLE typo3_typo3cr_domain_model_node DROP CONSTRAINT FK_820CADC84930C33C");
$this->addSql("ALTER TABLE typo3_typo3cr_domain_model_workspace DROP CONSTRAINT FK_71DE9CFBA762B951");
$this->addSql("ALTER TABLE typo3_typo3cr_domain_model_node DROP CONSTRAINT FK_820CADC88D940019");
$this->addSql("ALTER TABLE typo3_typo3cr_domain_model_workspace DROP CONSTRAINT FK_71DE9CFBE9BFE681");
$this->addSql("DROP TABLE typo3_typo3cr_domain_model_contentobjectproxy");
$this->addSql("DROP TABLE typo3_typo3cr_domain_model_node");
$this->addSql("DROP TABLE typo3_typo3cr_domain_model_workspace");
}