-

OrmTest/UnitTest/Query/SelectQuery.cs

@@ -34,7 +34,10 @@ namespace OrmTest.UnitTest
                 //    .Select(it => new ViewModelStudent { Name = it.Name }).ToList();
                 //var list2 = db.Queryable<Student>()
                 //  .Where(st => st.Id > 0)
-                 // .Select("id").ToList();
+                // .Select("id").ToList();
+                var list = db.Queryable<Student, School>((st, sc) => new object[] {
+                          JoinType.Left,st.SchoolId==sc.Id
+                }).Where(st => st.Id > 0).Select<Student>("*").ToList();
                 var list3 = db.Queryable<Student>()
                  .Where(st => st.Id > 0)
                  .Select(it => new ViewModelStudent2 { Student = it }).ToList();

SqlSugar/ExpressionsToSql/ExpressionContext.cs

@@ -21,6 +21,7 @@ namespace SqlSugar
         public int ParameterIndex { get; set; }
         public MappingColumnList MappingColumns { get; set; }
         public MappingTableList MappingTables { get; set; }
+        public List<JoinQueryInfo> JoinQueryInfos { get; set; }
         public ResolveExpressType ResolveType { get; set; }
         public Expression Expression { get; set; }
         public ExpressionResult Result

SqlSugar/SqlSugarAccessory.cs

@@ -134,10 +134,6 @@ namespace SqlSugar
                 }
                 var joinString = joinArray[i * 2 - 2];
                 joinInfo.ShortName = lambdaParameters[i-1].Name;
-                if (mappingInfo.IsValuable())
-                {
-                    mappingInfo.DbShortTaleName = joinInfo.ShortName;
-                }
                 joinInfo.JoinType = (JoinType) Enum.Parse(typeof (JoinType), joinString);
                 joinInfo.JoinWhere = joinArray[i * 2-1];
                 joinInfo.JoinIndex = i;