addSql('CREATE TABLE folder (id INT NOT NULL, content LONGTEXT NOT NULL, PRIMARY KEY(id)) DEFAULT CHARACTER SET utf8mb4 COLLATE `utf8mb4_unicode_ci` ENGINE = InnoDB'); $this->addSql('ALTER TABLE folder ADD CONSTRAINT FK_ECA209CDBF396750 FOREIGN KEY (id) REFERENCES document (id) ON DELETE CASCADE'); $this->addSql('ALTER TABLE gang CHANGE informations content LONGTEXT DEFAULT NULL'); } public function down(Schema $schema): void { // this down() migration is auto-generated, please modify it to your needs $this->addSql('DROP TABLE folder'); $this->addSql('ALTER TABLE gang CHANGE content informations LONGTEXT CHARACTER SET utf8mb4 DEFAULT NULL COLLATE `utf8mb4_unicode_ci`'); } }