addSql('ALTER TABLE league ADD city VARCHAR(255) DEFAULT NULL'); $this->addSql('ALTER TABLE team RENAME INDEX uniq_captain_id TO UNIQ_C4E0A61F3346729B'); } public function down(Schema $schema): void { // this down() migration is auto-generated, please modify it to your needs $this->addSql('ALTER TABLE league DROP city'); $this->addSql('ALTER TABLE team RENAME INDEX uniq_c4e0a61f3346729b TO UNIQ_CAPTAIN_ID'); } }