addSql('ALTER TABLE opening ADD group_user_id INT DEFAULT NULL'); $this->addSql('ALTER TABLE opening ADD CONSTRAINT FK_E35D4C3216E8799 FOREIGN KEY (group_user_id) REFERENCES group_user (id)'); $this->addSql('CREATE INDEX IDX_E35D4C3216E8799 ON opening (group_user_id)'); } public function down(Schema $schema): void { // this down() migration is auto-generated, please modify it to your needs $this->addSql('ALTER TABLE opening DROP FOREIGN KEY FK_E35D4C3216E8799'); $this->addSql('DROP INDEX IDX_E35D4C3216E8799 ON opening'); $this->addSql('ALTER TABLE opening DROP group_user_id'); } }