addSql('ALTER TABLE export_media ADD version_id INT DEFAULT NULL'); $this->addSql('ALTER TABLE export_media ADD CONSTRAINT FK_5DD22BCA4BBC2705 FOREIGN KEY (version_id) REFERENCES VersionExport (id) ON DELETE CASCADE'); $this->addSql('CREATE INDEX IDX_5DD22BCA4BBC2705 ON export_media (version_id)'); } public function down(Schema $schema): void { // this down() migration is auto-generated, please modify it to your needs $this->addSql('ALTER TABLE export_media DROP FOREIGN KEY FK_5DD22BCA4BBC2705'); $this->addSql('DROP INDEX IDX_5DD22BCA4BBC2705 ON export_media'); $this->addSql('ALTER TABLE export_media DROP version_id'); } }