when field list is empty, no need to reflect

g_models.go

@@ -678,22 +678,29 @@ func GetAll{{modelName}}(query map[string]string, fields []string, sortby []stri
 	var l []{{modelName}}
 	qs = qs.OrderBy(sortFields...)
 	if _, err := qs.Limit(limit, offset).All(&l, fields...); err == nil {
+		if len(fields) == 0 {
+			for _, v := range l {
+				ml = append(ml, v)
+			}
+		} else {
 			// trim unused fields
 			fieldMap := make(map[string]interface{})
 			for _, v := range fields {
 				fieldMap[v] = true
 			}
 			for _, v := range l {
+				m := make(map[string]interface{})
 				s := reflect.Indirect(reflect.ValueOf(v))
 				typeOfS := s.Type()
 				for i := 0; i < s.NumField(); i++ {
 					f := s.Field(i)
 					if _, ok := fieldMap[typeOfS.Field(i).Name]; ok {
-					fieldMap[typeOfS.Field(i).Name] = f.Interface()
+						m[typeOfS.Field(i).Name] = f.Interface()
 					}
 				}
+				ml = append(ml, m)
+			}
 		}
-		ml = append(ml, fieldMap)
 		return ml, nil
 	}
 	return nil, err