From 39e0af55b89e991cffd8607ff1edde483441b4af Mon Sep 17 00:00:00 2001
From: sunkaixuan <610262374@qq.com>
Date: Fri, 21 Jul 2023 13:50:15 +0800
Subject: [PATCH] Add  demo

---
 Src/Asp.Net/MySqlTest/Demo/DemoE_CodeFirst.cs | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Src/Asp.Net/MySqlTest/Demo/DemoE_CodeFirst.cs b/Src/Asp.Net/MySqlTest/Demo/DemoE_CodeFirst.cs
index 2fa4fb30f..c10e86d15 100644
--- a/Src/Asp.Net/MySqlTest/Demo/DemoE_CodeFirst.cs
+++ b/Src/Asp.Net/MySqlTest/Demo/DemoE_CodeFirst.cs
@@ -28,13 +28,20 @@ namespace OrmTest
             db.CodeFirst.InitTables<UnitByte1>();
             db.CodeFirst.InitTables<CodeFirstGuid>();
             db.Insertable(new CodeFirstGuid() { Id = Guid.NewGuid() }).ExecuteCommand();
+            db.Insertable(new CodeFirstGuid() { Id = null }).ExecuteCommand();
             var ids=db.Queryable<CodeFirstGuid>().Select(x => x.Id).ToList();
+            var ids2 = db.Queryable<CodeFirstGuid>()
+                .Select(x =>new
+                {
+                   ids= SqlFunc.Subqueryable<CodeFirstGuid>().ToList(x1 => x1.Id)
+                }).ToList();
             Console.WriteLine("#### CodeFirst end ####");
         }
     }
 
     public class CodeFirstGuid 
     {
+        [SugarColumn(IsNullable =true)]
         public Guid? Id { get; set; }
     }