Add Queryable.Having overload method

Src/Asp.Net/SqlServerTest/SqlServerTest.csproj

@@ -81,6 +81,7 @@
     <Compile Include="UnitTest\UInsert.cs" />
     <Compile Include="UnitTest\UQueryable2.cs" />
     <Compile Include="UnitTest\UQueue.cs" />
+    <Compile Include="UnitTest\UTran.cs" />
     <Compile Include="_OldTest\BugTest\Bug2.cs" />
     <Compile Include="_OldTest\BugTest\Bug5.cs" />
     <Compile Include="_OldTest\BugTest\Bug4.cs" />

Src/Asp.Net/SqlServerTest/UnitTest/Main.cs

@@ -31,6 +31,7 @@ namespace OrmTest
         }
         public static void Init()
         {
+            Tran();
             Insert();
             Queue();
             CodeFirst();

Src/Asp.Net/SqlServerTest/UnitTest/UTran.cs

@@ -0,0 +1,34 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace OrmTest 
+{
+    public partial class NewUnitTest
+    {
+
+        public static void Tran()
+        {
+            var db = Db;
+            int oldCount = GetCount(db);
+            Console.WriteLine(oldCount);
+            db.BeginTran();
+            db.Deleteable<Order>().ExecuteCommand();
+            Console.WriteLine(GetCount(db));
+            db.RollbackTran();
+            int newCount = GetCount(db);
+            Console.WriteLine(newCount);
+            if (newCount != oldCount)
+            {
+                throw new Exception("NewUnitTest Tran ");
+            }
+        }
+
+        private static int GetCount(SqlSugar.SqlSugarClient db)
+        {
+            return db.Queryable<Order>().Count();
+        }
+    }
+}