fix: 复合主键表改为单字段 id 以支持 ent 完整生成

app/shop/rpc/internal/logic/updateShopPlayersLogic.go

@@ -3,6 +3,7 @@ package logic
 import (
 	"context"
 	"errors"
+	"juwan-backend/app/shop/rpc/internal/models/shopplayers"
 	"time"
 
 	"juwan-backend/app/shop/rpc/internal/svc"
@@ -30,28 +31,23 @@ func (l *UpdateShopPlayersLogic) UpdateShopPlayers(in *pb.UpdateShopPlayersReq)
 		return nil, errors.New("invalid shop_id or player_id")
 	}
 
-	// ent 的 Update().Where() 不支持复合主键表（shop_players 的主键是 (shop_id, player_id)），
-	// 会报 "sql/sqlgraph: invalid composite id for update table"。
-	// Create/Delete/Query 不受影响，仅 Update 需要走原生 SQL。
-	query := `UPDATE shop_players SET is_primary = $1, left_at = $2 WHERE shop_id = $3 AND player_id = $4`
+	updater := l.svcCtx.ShopModelRW.ShopPlayers.Update().
+		Where(
+			shopplayers.ShopIDEQ(in.ShopId),
+			shopplayers.PlayerIDEQ(in.PlayerId),
+		).
+		SetIsPrimary(in.IsPrimary)
 
-	var leftAt *time.Time
 	if in.LeftAt > 0 {
 		t := time.Unix(in.LeftAt, 0)
-		leftAt = &t
+		updater = updater.SetLeftAt(t)
 	}
 
-	result, err := l.svcCtx.DBRW.ExecContext(l.ctx, query, in.IsPrimary, leftAt, in.ShopId, in.PlayerId)
+	affected, err := updater.Save(l.ctx)
 	if err != nil {
 		logx.Errorf("update shop players failed, %s", err.Error())
 		return nil, errors.New("update shop players failed")
 	}
-
-	affected, err := result.RowsAffected()
-	if err != nil {
-		logx.Errorf("get rows affected failed, %s", err.Error())
-		return nil, errors.New("update shop players failed")
-	}
 	if affected == 0 {
 		return nil, errors.New("shop player not found")
 	}