addSql('ALTER TABLE categories ADD part_ipn_prefix VARCHAR(255) NOT NULL AFTER partname_regex'); $this->addSql('DROP INDEX UNIQ_6940A7FE3D721C14 ON parts'); } public function down(Schema $schema): void { $this->addSql('ALTER TABLE `categories` DROP part_ipn_prefix'); $this->addSql('CREATE UNIQUE INDEX UNIQ_6940A7FE3D721C14 ON `parts` (ipn)'); } }