Support Mapper(iit.A,it.Aid) Where ( it.A.Id>1)

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

@@ -38,6 +38,7 @@ namespace OrmTest
             Json();
             Ado();
             Queryable();
+            Queryable2();
             QueryableAsync();
             //Thread();
             //Thread2();

Src/Asp.Net/SqlServerTest/UnitTest/UQueryable2.cs

@@ -4,9 +4,22 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
-namespace OrmTest.UnitTest
+namespace OrmTest
 {
     public partial class NewUnitTest
     {
+        public static void Queryable2()
+        {
+           var list4 = Db.Queryable<ABMapping>()
+                           .Mapper(it => it.A, it => it.AId)
+                           .Mapper(it => it.B, it => it.BId)
+                           .Where(it=>it.A.Name=="A")
+                           .Where(it=>it.B.Id==1)
+                           .Select(it=>new {
+                               id=it.B.Id
+                           })
+                           .ToList();
+
+        }
     }
 }