abortIf($this->connection->getDatabasePlatform()->getName() != 'mysql', 'Migration can only be executed safely on \'mysql\'.'); $this->addSql('ALTER TABLE promotions_employee_purchase ADD minimum_amount INT UNSIGNED NOT NULL COMMENT \'起定金额,以元为单位\''); $this->addSql('ALTER TABLE refund_error_logs ADD distributor_id BIGINT UNSIGNED DEFAULT 0 NOT NULL COMMENT \'分销商id\''); } /** * @param Schema $schema */ public function down(Schema $schema): void { } }