- 恢复 IBaseRepository SaveMany 方法；

Extensions/FreeSql.Extensions.AggregateRoot/AggregateRootRepository/AggregateRootRepositorySync.cs

@@ -15,6 +15,15 @@ namespace FreeSql
 {
     partial class AggregateRootRepository<TEntity>
     {
+        public virtual void SaveMany(TEntity entity, string propertyName)
+        {
+            var tracking = new AggregateRootTrackingChangeInfo();
+            var stateKey = Orm.GetEntityKeyString(EntityType, entity, false);
+            if (_states.TryGetValue(stateKey, out var state) == false) throw new Exception($"AggregateRootRepository 使用仓储对象查询后，才可以保存数据 {Orm.GetEntityString(EntityType, entity)}");
+            AggregateRootUtils.CompareEntityValue(_boundaryName, Orm, EntityType, state.Value, entity, propertyName, tracking);
+            SaveTrackingChange(tracking);
+            Attach(entity); //应该只存储 propertyName 内容
+        }
 
         #region BeginEdit/EndEdit
         List<TEntity> _dataEditing;