-- 账户中心分页与用户隔离查询索引
CREATE INDEX idx_traffic_order_user_created ON traffic_order (user_id, created_at DESC);
CREATE INDEX idx_traffic_order_user_status_created ON traffic_order (user_id, pay_status, created_at DESC);
CREATE INDEX idx_traffic_usage_user_created ON traffic_usage_log (user_id, created_at DESC);
CREATE INDEX idx_traffic_usage_user_source_created ON traffic_usage_log (user_id, source_type, created_at DESC);
CREATE INDEX idx_sim_card_user_created ON sim_card (user_id, created_at DESC);
CREATE INDEX idx_sim_card_user_status_created ON sim_card (user_id, status, created_at DESC);
CREATE INDEX idx_sim_recharge_user_created ON sim_recharge_log (user_id, created_at DESC);
CREATE INDEX idx_sim_recharge_user_status_created ON sim_recharge_log (user_id, recharge_status, created_at DESC);