-- 支付与 SIM 履约加固。执行前请备份数据库，并先检查现有重复数据。

UPDATE payment_transaction SET provider_trade_no = NULL WHERE provider_trade_no = '';
UPDATE traffic_order SET provider_trade_no = NULL WHERE provider_trade_no = '';

ALTER TABLE payment_transaction
    DROP INDEX uk_payment_provider_trade,
    MODIFY COLUMN provider_trade_no VARCHAR(128) NULL DEFAULT NULL COMMENT '第三方交易号',
    ADD COLUMN provider_payload TEXT NULL COMMENT 'AGPay下单响应快照' AFTER provider_trade_no,
    ADD COLUMN requested_at DATETIME NULL COMMENT '最近一次请求AGPay时间' AFTER status,
    ADD UNIQUE KEY uk_payment_provider_trade (provider, provider_trade_no),
    ADD UNIQUE KEY uk_payment_business (provider, business_type, business_order_id);

ALTER TABLE traffic_order
    DROP INDEX uk_traffic_order_provider_trade,
    MODIFY COLUMN provider_trade_no VARCHAR(128) NULL DEFAULT NULL COMMENT '第三方交易号',
    ADD UNIQUE KEY uk_traffic_order_provider_trade (payment_provider, provider_trade_no);

ALTER TABLE sim_recharge_order
    ADD COLUMN fulfillment_lease_token VARCHAR(64) NULL COMMENT '履约租约令牌' AFTER fulfillment_status,
    ADD COLUMN fulfillment_lease_until DATETIME NULL COMMENT '履约租约截止时间' AFTER fulfillment_lease_token,
    ADD KEY idx_sim_recharge_lease (fulfillment_status, fulfillment_lease_until);