using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace OrmTest { public class UCustom20 { public static void Init() { var db = NewUnitTest.Db; db.DbMaintenance.TruncateTable(); db.Insertable(new Order() { Id = 1, Name = "jack", CreateTime = DateTime.Now, CustomId = 1 }).ExecuteCommand(); var test8 = db.Queryable() .LeftJoin((x, y) => x.Id == y.Id) .Take(2) .Select((x, y) => new TestDTO { SubOne = new TestSubDTO { NameOne = false, NameTwo = x.Name } }) .ToList(); if (test8.First().SubOne.NameOne != false || test8.First().SubOne.NameTwo != "jack") { throw new Exception("unit error"); } } public class TestDTO { public TestSubDTO SubOne { get; set; } public TestSubDTO SubTwo { get; set; } } public class TestSubDTO { public bool NameOne { get; set; } public string NameTwo { get; set; } } } }