-

Src/Asp.Net/SqlServerTest/Demos/1_Query.cs

@@ -284,12 +284,14 @@ namespace OrmTest.Demo
             var getUnionAllList2 = db.UnionAll(db.Queryable<Student>(), db.Queryable<Student>()).ToList();
 
             var test1 = db.Queryable<Student, School>((st, sc) => st.SchoolId == sc.Id).Where(st=>st.CreateTime>SqlFunc.GetDate()).Select((st, sc) => SqlFunc.ToInt64(sc.Id)).ToList();
-            //var test2 = db.Queryable<Student, School>((st, sc) => st.SchoolId == sc.Id)
-            //          .Where(st =>
-            //            SqlFunc.IF(st.Id > 1)
-            //                 .Return(st.Id)
-            //                 .ElseIF(st.Id == 1)
-            //                 .Return(st.SchoolId).End(st.Id) == 1).ToList();
+            var test2 = db.Queryable<Student, School>((st, sc) => st.SchoolId == sc.Id)
+                      .Where(st =>
+                        SqlFunc.IF(st.Id > 1)
+                             .Return(st.Id)
+                             .ElseIF(st.Id == 1)
+                             .Return(st.SchoolId).End(st.Id) == 1).ToList();
+            var test3 = db.Queryable<DataTestInfo2>().Select(it => it.Bool1).ToSql();
+            var test4 = db.Queryable<DataTestInfo2>().Select(it => new { b=it.Bool1 }).ToSql();
         }
         public static void Page()
         {

Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/MemberExpressionResolve.cs

@@ -15,11 +15,12 @@ namespace SqlSugar
             var childExpression = expression.Expression as MemberExpression;
             var memberName = expression.Member.Name;
             var childIsMember = childExpression != null;
+            var isRoot = parameter.BaseExpression == null;
             var isLeft = parameter.IsLeft;
             var isSetTempData = parameter.IsSetTempData;
             var isValue = memberName == "Value" && expression.Member.DeclaringType.Name == "Nullable`1";
             var isBool = expression.Type == UtilConstants.BoolType;
-            var isValueBool = isValue && isBool && parameter.BaseExpression == null;
+            var isValueBool = isValue && isBool && isRoot;
             var isLength = memberName == "Length" && childIsMember && childExpression.Type == UtilConstants.StringType;
             var isDateValue = memberName.IsIn(Enum.GetNames(typeof(DateType))) && (childIsMember && childExpression.Type == UtilConstants.DateType);
             var isLogicOperator = ExpressionTool.IsLogicOperator(baseParameter.OperatorValue) || baseParameter.OperatorValue.IsNullOrEmpty();
@@ -28,6 +29,9 @@ namespace SqlSugar
             var isMemberValue = expression.Expression != null && expression.Expression.NodeType != ExpressionType.Parameter && !isValueBool;
             var isSingle = parameter.Context.ResolveType == ResolveExpressType.WhereSingle;
             var fieldIsBool = isBool && isLogicOperator&&(parameter.BaseParameter==null||!(parameter.BaseParameter.CurrentExpression is MemberInitExpression|| parameter.BaseParameter.CurrentExpression is NewExpression));
+            var isSelect = this.Context.ResolveType.IsIn(ResolveExpressType.SelectSingle, ResolveExpressType.SelectMultiple);
+            var isSelectField = isSelect && isRoot;
+            var isField = this.Context.ResolveType.IsIn(ResolveExpressType.FieldSingle, ResolveExpressType.FieldMultiple);
             baseParameter.ChildExpression = expression;
             if (isLength)
             {
@@ -57,7 +61,7 @@ namespace SqlSugar
             {
                 ResolveMemberValue(parameter, baseParameter, isLeft, isSetTempData, expression);
             }
-            else if (fieldIsBool&& !this.Context.ResolveType.IsIn(ResolveExpressType.FieldSingle, ResolveExpressType.FieldMultiple))
+            else if (fieldIsBool&& !isField&&!isSelectField)
             {
                 ResolvefieldIsBool(parameter, baseParameter, isLeft, isSetTempData, expression, isSingle);
             }