addSql('ALTER TABLE element_type_template_configuration DROP FOREIGN KEY FK_F36F6CE87AD55B18'); $this->addSql('ALTER TABLE element_type_template_configuration ADD CONSTRAINT FK_F36F6CE87AD55B18 FOREIGN KEY (elementType_id) REFERENCES project_element_type (id) ON DELETE CASCADE'); } public function down(Schema $schema): void { // this down() migration is auto-generated, please modify it to your needs $this->addSql('ALTER TABLE element_type_template_configuration DROP FOREIGN KEY FK_F36F6CE87AD55B18'); $this->addSql('ALTER TABLE element_type_template_configuration ADD CONSTRAINT FK_F36F6CE87AD55B18 FOREIGN KEY (elementType_id) REFERENCES project_element_type (id) ON UPDATE NO ACTION ON DELETE NO ACTION'); } }