abortIf($this->connection->getDatabasePlatform()->getName() != "mysql"); $this->addSql("ALTER TABLE news ADD slug VARCHAR(100) NOT NULL"); $this->addSql("UPDATE news SET slug = title"); $this->addSql("CREATE UNIQUE INDEX UNIQ_1DD39950989D9B62 ON news (slug)"); } public function down(Schema $schema) { // this down() migration is autogenerated, please modify it to your needs $this->abortIf($this->connection->getDatabasePlatform()->getName() != "mysql"); $this->addSql("ALTER TABLE news DROP slug"); } }