Neos\Flow\Persistence\Doctrine\Migrations\Version20160223165602::up PHP Метод

    public function up(Schema $schema)
    {
        $this->abortIf($this->connection->getDatabasePlatform()->getName() != "mysql");
        $this->addSql("ALTER TABLE typo3_media_domain_model_thumbnail CHANGE configuration configuration LONGTEXT NOT NULL COMMENT '(DC2Type:flow_json_array)'");
    }