Fix joins in `db.Find(AndCount)` (#28978)

models/db/list.go

@@ -133,17 +133,21 @@ type FindOptionsOrder interface {
 
 // Find represents a common find function which accept an options interface
 func Find[T any](ctx context.Context, opts FindOptions) ([]*T, error) {
-	sess := GetEngine(ctx)
+	sess := GetEngine(ctx).Where(opts.ToConds())
 
-	if joinOpt, ok := opts.(FindOptionsJoin); ok && len(joinOpt.ToJoins()) > 0 {
+	if joinOpt, ok := opts.(FindOptionsJoin); ok {
 		for _, joinFunc := range joinOpt.ToJoins() {
 			if err := joinFunc(sess); err != nil {
 				return nil, err
 			}
 		}
 	}
+	if orderOpt, ok := opts.(FindOptionsOrder); ok {
+		if order := orderOpt.ToOrders(); order != "" {
+			sess.OrderBy(order)
+		}
+	}
 
-	sess = sess.Where(opts.ToConds())
 	page, pageSize := opts.GetPage(), opts.GetPageSize()
 	if !opts.IsListAll() && pageSize > 0 {
 		if page == 0 {
@@ -151,9 +155,6 @@ func Find[T any](ctx context.Context, opts FindOptions) ([]*T, error) {
 		}
 		sess.Limit(pageSize, (page-1)*pageSize)
 	}
-	if newOpt, ok := opts.(FindOptionsOrder); ok && newOpt.ToOrders() != "" {
-		sess.OrderBy(newOpt.ToOrders())
-	}
 
 	findPageSize := defaultFindSliceSize
 	if pageSize > 0 {
@@ -168,8 +169,8 @@ func Find[T any](ctx context.Context, opts FindOptions) ([]*T, error) {
 
 // Count represents a common count function which accept an options interface
 func Count[T any](ctx context.Context, opts FindOptions) (int64, error) {
-	sess := GetEngine(ctx)
-	if joinOpt, ok := opts.(FindOptionsJoin); ok && len(joinOpt.ToJoins()) > 0 {
+	sess := GetEngine(ctx).Where(opts.ToConds())
+	if joinOpt, ok := opts.(FindOptionsJoin); ok {
 		for _, joinFunc := range joinOpt.ToJoins() {
 			if err := joinFunc(sess); err != nil {
 				return 0, err
@@ -178,7 +179,7 @@ func Count[T any](ctx context.Context, opts FindOptions) (int64, error) {
 	}
 
 	var object T
-	return sess.Where(opts.ToConds()).Count(&object)
+	return sess.Count(&object)
 }
 
 // FindAndCount represents a common findandcount function which accept an options interface
@@ -188,8 +189,17 @@ func FindAndCount[T any](ctx context.Context, opts FindOptions) ([]*T, int64, er
 	if !opts.IsListAll() && pageSize > 0 && page >= 1 {
 		sess.Limit(pageSize, (page-1)*pageSize)
 	}
-	if newOpt, ok := opts.(FindOptionsOrder); ok && newOpt.ToOrders() != "" {
-		sess.OrderBy(newOpt.ToOrders())
+	if joinOpt, ok := opts.(FindOptionsJoin); ok {
+		for _, joinFunc := range joinOpt.ToJoins() {
+			if err := joinFunc(sess); err != nil {
+				return nil, 0, err
+			}
+		}
+	}
+	if orderOpt, ok := opts.(FindOptionsOrder); ok {
+		if order := orderOpt.ToOrders(); order != "" {
+			sess.OrderBy(order)
+		}
 	}
 
 	findPageSize := defaultFindSliceSize