addSql('ALTER TABLE organizational_unit ADD subnet_id INT DEFAULT NULL'); $this->addSql('ALTER TABLE organizational_unit ADD CONSTRAINT FK_749AEB2DC9CF9478 FOREIGN KEY (subnet_id) REFERENCES subnet (id)'); $this->addSql('CREATE INDEX IDX_749AEB2DC9CF9478 ON organizational_unit (subnet_id)'); } public function down(Schema $schema): void { // this down() migration is auto-generated, please modify it to your needs $this->addSql('ALTER TABLE organizational_unit DROP FOREIGN KEY FK_749AEB2DC9CF9478'); $this->addSql('DROP INDEX IDX_749AEB2DC9CF9478 ON organizational_unit'); $this->addSql('ALTER TABLE organizational_unit DROP subnet_id'); } }