addSql(<<<'SQL' CREATE TABLE tag (id INT AUTO_INCREMENT NOT NULL, user_id INT NOT NULL, name VARCHAR(255) NOT NULL, INDEX IDX_389B783A76ED395 (user_id), UNIQUE INDEX user_tag_unique (name, user_id), PRIMARY KEY(id)) DEFAULT CHARACTER SET utf8mb4 COLLATE `utf8mb4_unicode_ci` ENGINE = InnoDB SQL); $this->addSql(<<<'SQL' CREATE TABLE tag_snip (tag_id INT NOT NULL, snip_id INT NOT NULL, INDEX IDX_10B22820BAD26311 (tag_id), INDEX IDX_10B22820140FD260 (snip_id), PRIMARY KEY(tag_id, snip_id)) DEFAULT CHARACTER SET utf8mb4 COLLATE `utf8mb4_unicode_ci` ENGINE = InnoDB SQL); $this->addSql(<<<'SQL' ALTER TABLE tag ADD CONSTRAINT FK_389B783A76ED395 FOREIGN KEY (user_id) REFERENCES `user` (id) SQL); $this->addSql(<<<'SQL' ALTER TABLE tag_snip ADD CONSTRAINT FK_10B22820BAD26311 FOREIGN KEY (tag_id) REFERENCES tag (id) ON DELETE CASCADE SQL); $this->addSql(<<<'SQL' ALTER TABLE tag_snip ADD CONSTRAINT FK_10B22820140FD260 FOREIGN KEY (snip_id) REFERENCES snip (id) ON DELETE CASCADE SQL); } public function down(Schema $schema): void { // this down() migration is auto-generated, please modify it to your needs $this->addSql(<<<'SQL' ALTER TABLE tag DROP FOREIGN KEY FK_389B783A76ED395 SQL); $this->addSql(<<<'SQL' ALTER TABLE tag_snip DROP FOREIGN KEY FK_10B22820BAD26311 SQL); $this->addSql(<<<'SQL' ALTER TABLE tag_snip DROP FOREIGN KEY FK_10B22820140FD260 SQL); $this->addSql(<<<'SQL' DROP TABLE tag SQL); $this->addSql(<<<'SQL' DROP TABLE tag_snip SQL); } }