优化财务仪表盘查询性能

backend/internal/modules/adminfinance/subquery.go

@@ -4,14 +4,16 @@ import (
 	"gorm.io/gorm"
 )
 
-func acceptedCheckoutSubquery(db *gorm.DB) *gorm.DB {
-	latest := db.Table("order_checkouts").Select("MAX(id) AS id").Where("status = ?", "accepted").Group("order_id")
+func acceptedCheckoutForOrdersSubquery(db *gorm.DB, orderIDs []uint64) *gorm.DB {
+	latest := db.Table("order_checkouts").Select("MAX(id) AS id").
+		Where("status = ? AND order_id IN ?", "accepted", orderIDs).
+		Group("order_id")
 	return db.Table("order_checkouts AS oc").
 		Select("oc.*").
 		Joins("JOIN (?) AS latest ON latest.id = oc.id", latest)
 }
 
-func orderPaymentSubquery(db *gorm.DB) *gorm.DB {
+func orderPaymentForOrdersSubquery(db *gorm.DB, orderIDs []uint64) *gorm.DB {
 	return db.Table("payment_orders").
 		Select(`order_id,
 			COALESCE(SUM(CASE WHEN biz_type = 'order_pay' AND status = 'paid' THEN amount_cent ELSE 0 END), 0) AS paid_amount_cent,
@@ -19,13 +21,14 @@ func orderPaymentSubquery(db *gorm.DB) *gorm.DB {
 			COALESCE(SUM(CASE WHEN biz_type IN ? AND status = 'refunding' THEN amount_cent ELSE 0 END), 0) AS refunding_amount_cent,
 			COALESCE(SUM(CASE WHEN biz_type IN ? AND status = 'failed' THEN amount_cent ELSE 0 END), 0) AS failed_refund_amount_cent`,
 			refundBizTypes(), refundBizTypes(), refundBizTypes()).
+		Where("order_id IN ?", orderIDs).
 		Group("order_id")
 }
 
-func ownerWalletIncomeSubquery(db *gorm.DB) *gorm.DB {
+func ownerWalletIncomeForOrdersSubquery(db *gorm.DB, orderIDs []uint64) *gorm.DB {
 	return db.Table("wallet_ledger").
 		Select("order_id, COALESCE(SUM(amount_cent), 0) AS owner_wallet_income_amount_cent").
-		Where("direction = ? AND biz_type IN ? AND order_id IS NOT NULL", "in", []string{"owner_income", "deposit_compensation", "arbitration_owner_income"}).
+		Where("direction = ? AND biz_type IN ? AND order_id IN ?", "in", []string{"owner_income", "deposit_compensation", "arbitration_owner_income"}, orderIDs).
 		Group("order_id")
 }
 
@@ -44,18 +47,6 @@ func ownerWalletIncomeForSettledOrdersSubquery(db *gorm.DB, query DashboardQuery
 		Group("scoped_order.id")
 }
 
-// orderPaymentForSettledOrdersSubquery 只聚合当前结算区间订单的退款状态，
-// 供仪表盘异常数判断使用，避免 financeDetailBaseQuery 在首页扫描所有历史付款单。
-func orderPaymentForSettledOrdersSubquery(db *gorm.DB, query DashboardQuery) *gorm.DB {
-	return db.Table("rental_orders AS scoped_order").
-		Select(`scoped_order.id AS order_id,
-			COALESCE(SUM(CASE WHEN payment.biz_type IN ? AND payment.status = 'refunding' THEN payment.amount_cent ELSE 0 END), 0) AS refunding_amount_cent,
-			COALESCE(SUM(CASE WHEN payment.biz_type IN ? AND payment.status = 'failed' THEN payment.amount_cent ELSE 0 END), 0) AS failed_refund_amount_cent`, refundBizTypes(), refundBizTypes()).
-		Joins("LEFT JOIN payment_orders AS payment ON payment.order_id = scoped_order.id AND payment.biz_type IN ?", refundBizTypes()).
-		Where("scoped_order.settled_at >= ? AND scoped_order.settled_at <= ?", query.StartDate, query.EndDate).
-		Group("scoped_order.id")
-}
-
 // paymentOriginalAmountForRefundsInRangeSubquery 仅为当前区间内的退款单回查原支付金额。
 // 退款统计原先会对全部历史支付单按 order_id 聚合；数据增长后这部分即使只看一天也会很慢。
 func paymentOriginalAmountForRefundsInRangeSubquery(db *gorm.DB, query DashboardQuery) *gorm.DB {