addSql('ALTER TABLE trace DROP FOREIGN KEY FK_315BD5A133E1689A'); $this->addSql('DROP INDEX IDX_315BD5A133E1689A ON trace'); $this->addSql('ALTER TABLE trace ADD command VARCHAR(255) DEFAULT NULL, DROP command_id'); } public function down(Schema $schema): void { // this down() migration is auto-generated, please modify it to your needs $this->addSql('ALTER TABLE trace ADD command_id INT NOT NULL, DROP command'); $this->addSql('ALTER TABLE trace ADD CONSTRAINT FK_315BD5A133E1689A FOREIGN KEY (command_id) REFERENCES command (id)'); $this->addSql('CREATE INDEX IDX_315BD5A133E1689A ON trace (command_id)'); } }