addSql('CREATE TABLE sub_group (id INT AUTO_INCREMENT NOT NULL, main_group_id INT NOT NULL, name VARCHAR(255) NOT NULL, INDEX IDX_8184207C2776C832 (main_group_id), PRIMARY KEY(id)) DEFAULT CHARACTER SET utf8mb4 COLLATE `utf8mb4_unicode_ci` ENGINE = InnoDB'); $this->addSql('CREATE TABLE user_sub_group (user_id INT NOT NULL, sub_group_id INT NOT NULL, INDEX IDX_8164AD98A76ED395 (user_id), INDEX IDX_8164AD9844FB371E (sub_group_id), PRIMARY KEY(user_id, sub_group_id)) DEFAULT CHARACTER SET utf8mb4 COLLATE `utf8mb4_unicode_ci` ENGINE = InnoDB'); $this->addSql('ALTER TABLE sub_group ADD CONSTRAINT FK_8184207C2776C832 FOREIGN KEY (main_group_id) REFERENCES `group` (id)'); $this->addSql('ALTER TABLE user_sub_group ADD CONSTRAINT FK_8164AD98A76ED395 FOREIGN KEY (user_id) REFERENCES user (id) ON DELETE CASCADE'); $this->addSql('ALTER TABLE user_sub_group ADD CONSTRAINT FK_8164AD9844FB371E FOREIGN KEY (sub_group_id) REFERENCES sub_group (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 user_sub_group DROP FOREIGN KEY FK_8164AD9844FB371E'); $this->addSql('DROP TABLE sub_group'); $this->addSql('DROP TABLE user_sub_group'); } }