- 增加 DTO 映射非导航属性的子表查询，可直接返回集合；

FreeSql/Internal/Model/ReadAnonymousTypeInfo.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Collections;
 using System.Collections.Generic;
+using System.Linq.Expressions;
 using System.Reflection;
 using System.Text;
 
@@ -20,6 +21,7 @@ namespace FreeSql.Internal.Model
         public bool IsEntity { get; set; }
         public bool IsDefaultCtor { get; set; }
         public string IncludeManyKey { get; set; } //ToList(a => new { a.Childs }) 集合属性指定加载
+        public Expression SubSelectMany { get; set; } //ToList(a => new { sublist = fsql.Select<T>().ToList() }) 子集合查询
 
         public void CopyTo(ReadAnonymousTypeInfo target)
         {
@@ -42,6 +44,7 @@ namespace FreeSql.Internal.Model
         public ReadAnonymousTypeInfo map { get; }
         public string field { get; }
         public List<NativeTuple<string, IList, int>> fillIncludeMany { get; set; } //回填集合属性的数据
+        public List<NativeTuple<Expression, IList, int>> fillSubSelectMany { get; set; } //回填集合属性的数据
         public ReadAnonymousTypeAfInfo(ReadAnonymousTypeInfo map, string field)
         {
             this.map = map;