addSql(<<<'SQL' ALTER TABLE elimination DROP CONSTRAINT FK_5947284F853CD175 SQL); $this->addSql(<<<'SQL' ALTER TABLE elimination ADD CONSTRAINT FK_5947284F853CD175 FOREIGN KEY (quiz_id) REFERENCES quiz (id) ON DELETE CASCADE NOT DEFERRABLE INITIALLY IMMEDIATE SQL); $this->addSql(<<<'SQL' ALTER TABLE given_answer DROP CONSTRAINT FK_9AC61A30853CD175 SQL); $this->addSql(<<<'SQL' ALTER TABLE given_answer ADD CONSTRAINT FK_9AC61A30853CD175 FOREIGN KEY (quiz_id) REFERENCES quiz (id) ON DELETE CASCADE NOT DEFERRABLE INITIALLY IMMEDIATE SQL); } public function down(Schema $schema): void { $this->addSql(<<<'SQL' ALTER TABLE given_answer DROP CONSTRAINT fk_9ac61a30853cd175 SQL); $this->addSql(<<<'SQL' ALTER TABLE given_answer ADD CONSTRAINT fk_9ac61a30853cd175 FOREIGN KEY (quiz_id) REFERENCES quiz (id) NOT DEFERRABLE INITIALLY IMMEDIATE SQL); $this->addSql(<<<'SQL' ALTER TABLE elimination DROP CONSTRAINT fk_5947284f853cd175 SQL); $this->addSql(<<<'SQL' ALTER TABLE elimination ADD CONSTRAINT fk_5947284f853cd175 FOREIGN KEY (quiz_id) REFERENCES quiz (id) NOT DEFERRABLE INITIALLY IMMEDIATE SQL); } }