-- 为后台财务汇总、明细查询和退款统计补充复合索引。
-- 该迁移按版本只执行一次；若手工执行，请先确认索引不存在。

ALTER TABLE rental_orders
  ADD INDEX idx_rental_orders_settled_at_id (settled_at, id);

ALTER TABLE rental_orders
  ADD INDEX idx_rental_orders_created_at_id (created_at, id);

ALTER TABLE order_checkouts
  ADD INDEX idx_order_checkouts_status_order_id_id (status, order_id, id);

ALTER TABLE payment_orders
  ADD INDEX idx_payment_orders_order_biz_status (order_id, biz_type, status);

ALTER TABLE payment_orders
  ADD INDEX idx_payment_orders_created_biz_status (created_at, biz_type, status);

ALTER TABLE wallet_ledger
  ADD INDEX idx_wallet_ledger_order_direction_biz (order_id, direction, biz_type);