public function down(Schema $schema)
{
$this->abortIf($this->connection->getDatabasePlatform()->getName() != "postgresql");
$this->addSql("ALTER INDEX IF EXISTS flow_identity_typo3_flow_security_account RENAME TO flow3_identity_typo3_flow3_security_account");
$this->addSql("ALTER TABLE typo3_flow_resource_resource ALTER relativepublicationpath SET DEFAULT ''");
}