addSql('CREATE TABLE group_project (id INT AUTO_INCREMENT NOT NULL, project_id INT NOT NULL, `group` INT NOT NULL, INDEX IDX_A9B384E2166D1F9C (project_id), PRIMARY KEY(id)) DEFAULT CHARACTER SET utf8mb4 COLLATE `utf8mb4_unicode_ci` ENGINE = InnoDB'); $this->addSql('ALTER TABLE group_project ADD CONSTRAINT FK_A9B384E2166D1F9C FOREIGN KEY (project_id) REFERENCES project (id)'); } public function down(Schema $schema): void { // this down() migration is auto-generated, please modify it to your needs $this->addSql('DROP TABLE group_project'); } }