addSql('CREATE TABLE article_tag (article_id INT NOT NULL, tag_id INT NOT NULL, INDEX IDX_919694F97294869C (article_id), INDEX IDX_919694F9BAD26311 (tag_id), PRIMARY KEY(article_id, tag_id)) DEFAULT CHARACTER SET utf8mb4 COLLATE `utf8mb4_unicode_ci` ENGINE = InnoDB'); $this->addSql('CREATE TABLE tag (id INT AUTO_INCREMENT NOT NULL, name VARCHAR(50) NOT NULL, PRIMARY KEY(id)) DEFAULT CHARACTER SET utf8mb4 COLLATE `utf8mb4_unicode_ci` ENGINE = InnoDB'); $this->addSql('ALTER TABLE article_tag ADD CONSTRAINT FK_919694F97294869C FOREIGN KEY (article_id) REFERENCES article (id) ON DELETE CASCADE'); $this->addSql('ALTER TABLE article_tag ADD CONSTRAINT FK_919694F9BAD26311 FOREIGN KEY (tag_id) REFERENCES tag (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 article_tag DROP FOREIGN KEY FK_919694F97294869C'); $this->addSql('ALTER TABLE article_tag DROP FOREIGN KEY FK_919694F9BAD26311'); $this->addSql('DROP TABLE article_tag'); $this->addSql('DROP TABLE tag'); } }