addSql('ALTER TABLE department ALTER did TYPE BIGINT USING did::bigint'); $this->addSql('ALTER TABLE filial ALTER fid TYPE INTEGER USING fid::integer'); } public function down(Schema $schema): void { // this down() migration is auto-generated, please modify it to your needs $this->addSql('CREATE SCHEMA public'); $this->addSql('ALTER TABLE department ALTER did TYPE VARCHAR(255)'); $this->addSql('ALTER TABLE filial ALTER fid TYPE VARCHAR(255)'); } }