public function up(Schema $schema)
{
$this->abortIf($this->connection->getDatabasePlatform()->getName() != "postgresql");
$now = new Now();
$default = $now->format($this->platform->getDateTimeFormatString());
$this->addSql("ALTER TABLE typo3_typo3cr_domain_model_nodedata ADD creationdatetime TIMESTAMP(0) WITHOUT TIME ZONE NOT NULL DEFAULT '" . $default . "'");
$this->addSql("ALTER TABLE typo3_typo3cr_domain_model_nodedata ALTER COLUMN creationdatetime DROP DEFAULT");
$this->addSql("ALTER TABLE typo3_typo3cr_domain_model_nodedata ADD lastmodificationdatetime TIMESTAMP(0) WITHOUT TIME ZONE NOT NULL DEFAULT '" . $default . "'");
$this->addSql("ALTER TABLE typo3_typo3cr_domain_model_nodedata ALTER COLUMN lastmodificationdatetime DROP DEFAULT");
$this->addSql("ALTER TABLE typo3_typo3cr_domain_model_nodedata ADD lastpublicationdatetime TIMESTAMP(0) WITHOUT TIME ZONE DEFAULT NULL");
$this->addSql("UPDATE typo3_typo3cr_domain_model_nodedata SET lastpublicationdatetime = '" . $default . "' WHERE workspace = 'live'");
}