addSql(<<<'SQL' ALTER TABLE snip DROP INDEX IDX_FEBD97966A1E45F3, ADD UNIQUE INDEX UNIQ_FEBD97966A1E45F3 (active_version_id) SQL); $this->addSql(<<<'SQL' ALTER TABLE snip ADD archived TINYINT(1) NOT NULL SQL); $this->addSql(<<<'SQL' UPDATE snip SET archived = 0 SQL); } public function down(Schema $schema): void { // this down() migration is auto-generated, please modify it to your needs $this->addSql(<<<'SQL' ALTER TABLE snip DROP INDEX UNIQ_FEBD97966A1E45F3, ADD INDEX IDX_FEBD97966A1E45F3 (active_version_id) SQL); $this->addSql(<<<'SQL' ALTER TABLE snip DROP archived SQL); } }