addSql('ALTER TABLE block ADD image_id INT DEFAULT NULL'); $this->addSql('ALTER TABLE block ADD CONSTRAINT FK_831B97223DA5256D FOREIGN KEY (image_id) REFERENCES file (id)'); $this->addSql('CREATE INDEX IDX_831B97223DA5256D ON block (image_id)'); } public function down(Schema $schema): void { // this down() migration is auto-generated, please modify it to your needs $this->addSql('ALTER TABLE block DROP FOREIGN KEY FK_831B97223DA5256D'); $this->addSql('DROP INDEX IDX_831B97223DA5256D ON block'); $this->addSql('ALTER TABLE block DROP image_id'); } }