addSql('ALTER TABLE chill_main_address ADD addressReference_id INT DEFAULT NULL'); $this->addSql('ALTER TABLE chill_main_address ADD CONSTRAINT FK_165051F647069464 FOREIGN KEY (addressReference_id) REFERENCES chill_main_address_reference (id) NOT DEFERRABLE INITIALLY IMMEDIATE'); $this->addSql('CREATE INDEX IDX_165051F647069464 ON chill_main_address (addressReference_id)'); } public function down(Schema $schema): void { $this->addSql('ALTER TABLE chill_main_address DROP addressReference_id'); } }