addSql('DROP TABLE configuration'); $this->addSql('ALTER TABLE site_setting CHANGE name name VARCHAR(63) DEFAULT NULL'); } public function down(Schema $schema): void { // this down() migration is auto-generated, please modify it to your needs $this->addSql('CREATE TABLE configuration (id INT AUTO_INCREMENT NOT NULL, value VARCHAR(255) CHARACTER SET utf8mb4 NOT NULL COLLATE `utf8mb4_unicode_ci`, dev_alias VARCHAR(255) CHARACTER SET utf8mb4 DEFAULT NULL COLLATE `utf8mb4_unicode_ci`, PRIMARY KEY(id)) DEFAULT CHARACTER SET utf8 COLLATE `utf8_unicode_ci` ENGINE = InnoDB COMMENT = \'\' '); $this->addSql('ALTER TABLE site_setting CHANGE name name VARCHAR(63) CHARACTER SET utf8mb4 NOT NULL COLLATE `utf8mb4_unicode_ci`'); } }