addSql('ALTER TABLE pokemon DROP image_name, DROP image_size, DROP updated_at'); } public function down(Schema $schema) : void { // this down() migration is auto-generated, please modify it to your needs $this->addSql('ALTER TABLE pokemon ADD image_name VARCHAR(255) CHARACTER SET utf8mb4 NOT NULL COLLATE `utf8mb4_unicode_ci`, ADD image_size INT NOT NULL, ADD updated_at DATETIME NOT NULL'); } }