addSql('ALTER TABLE advert_payment ADD echeancier_id INT DEFAULT NULL'); $this->addSql('ALTER TABLE advert_payment ADD CONSTRAINT FK_C766C45B8C858AF2 FOREIGN KEY (echeancier_id) REFERENCES echeancier (id) ON DELETE SET NULL NOT DEFERRABLE'); $this->addSql('CREATE INDEX IDX_C766C45B8C858AF2 ON advert_payment (echeancier_id)'); } public function down(Schema $schema): void { // this down() migration is auto-generated, please modify it to your needs $this->addSql('ALTER TABLE advert_payment DROP CONSTRAINT FK_C766C45B8C858AF2'); $this->addSql('DROP INDEX IDX_C766C45B8C858AF2'); $this->addSql('ALTER TABLE advert_payment DROP echeancier_id'); } }