Neos\Flow\Persistence\Doctrine\Migrations\Version20160711103441::down PHP Метод

    public function down(Schema $schema)
    {
        $this->abortIf($this->connection->getDatabasePlatform()->getName() != 'mysql', 'Migration can only be executed safely on "mysql".');
        $this->addSql('DROP INDEX flow_identity_typo3_neos_domain_model_domain ON typo3_neos_domain_model_domain');
        $this->addSql('ALTER TABLE typo3_neos_domain_model_domain CHANGE hostname hostpattern VARCHAR(255) NOT NULL COLLATE utf8_unicode_ci');
        $this->addSql('CREATE UNIQUE INDEX flow_identity_typo3_neos_domain_model_domain ON typo3_neos_domain_model_domain (hostpattern)');
    }