- 优化 兼容排序 OrderBy(a => new {}) 语法；

FreeSql.Tests/FreeSql.Tests/Sqlite/Curd/SqliteSelectTest.cs

@@ -693,6 +693,7 @@ namespace FreeSql.Tests.Sqlite
             .Having(a => a.Count() > 0 && a.Avg(a.Key.mod4) > 0 && a.Max(a.Key.mod4) > 0)
             .Having(a => a.Count() < 300 || a.Avg(a.Key.mod4) < 100)
             .OrderBy(a => a.Key.tt2)
+            .OrderByDescending(a => new { a.Key.tt2, a.Key.mod4 })
             .OrderByDescending(a => a.Count())
             .Offset(10)
             .Limit(2)
@@ -804,7 +805,17 @@ namespace FreeSql.Tests.Sqlite
         [Fact]
         public void OrderBy()
         {
-            var sql = select.OrderBy(a => new Random().NextDouble()).ToList();
+            var sql = select.OrderBy(a => new Random().NextDouble()).ToSql();
+
+            sql = select.OrderBy(a => a.Id).OrderBy(a => a.Title).OrderByDescending(a => a.CreateTime).ToSql();
+            Assert.Equal(@"SELECT a.""Id"", a.""Clicks"", a.""TypeGuid"", a.""Title"", a.""CreateTime"" 
+FROM ""tb_topic22"" a 
+ORDER BY a.""Id"", a.""Title"", a.""CreateTime"" DESC", sql);
+
+            sql = select.OrderBy(a => new { a.Id, a.Title }).OrderByDescending(a => a.CreateTime).ToSql();
+            Assert.Equal(@"SELECT a.""Id"", a.""Clicks"", a.""TypeGuid"", a.""Title"", a.""CreateTime"" 
+FROM ""tb_topic22"" a 
+ORDER BY a.""Id"", a.""Title"", a.""CreateTime"" DESC", sql);
         }
         [Fact]
         public void OrderByRandom()

FreeSql/Internal/CommonProvider/SelectProvider/Select0ProviderReader.cs

@@ -760,8 +760,32 @@ namespace FreeSql.Internal.CommonProvider
             _commonExpression.ExpressionJoinLambda(_tables, joinType, exp, null, _whereGlobalFilter);
             return this as TSelect;
         }
-        protected TSelect InternalOrderBy(Expression column) => this.OrderBy(_commonExpression.ExpressionSelectColumn_MemberAccess(_tables, null, SelectTableInfoType.From, column, true, null));
+        protected TSelect InternalOrderBy(Expression column)
-        protected TSelect InternalOrderByDescending(Expression column) => this.OrderBy($"{_commonExpression.ExpressionSelectColumn_MemberAccess(_tables, null, SelectTableInfoType.From, column, true, null)} DESC");
+        {
+            if (column.NodeType == ExpressionType.Lambda) column = (column as LambdaExpression)?.Body;
+            switch (column?.NodeType)
+            {
+                case ExpressionType.New:
+                    var newExp = column as NewExpression;
+                    if (newExp == null) break;
+                    for (var a = 0; a < newExp.Members.Count; a++) this.OrderBy(_commonExpression.ExpressionSelectColumn_MemberAccess(_tables, null, SelectTableInfoType.From, newExp.Arguments[a], true, null));
+                    return this as TSelect;
+            }
+            return this.OrderBy(_commonExpression.ExpressionSelectColumn_MemberAccess(_tables, null, SelectTableInfoType.From, column, true, null));
+        }
+        protected TSelect InternalOrderByDescending(Expression column)
+        {
+            if (column.NodeType == ExpressionType.Lambda) column = (column as LambdaExpression)?.Body;
+            switch (column?.NodeType)
+            {
+                case ExpressionType.New:
+                    var newExp = column as NewExpression;
+                    if (newExp == null) break;
+                    for (var a = 0; a < newExp.Members.Count; a++) this.OrderBy($"{_commonExpression.ExpressionSelectColumn_MemberAccess(_tables, null, SelectTableInfoType.From, newExp.Arguments[a], true, null)} DESC");
+                    return this as TSelect;
+            }
+            return this.OrderBy($"{_commonExpression.ExpressionSelectColumn_MemberAccess(_tables, null, SelectTableInfoType.From, column, true, null)} DESC");
+        }
 
         public List<TReturn> InternalToList<TReturn>(Expression select) => this.ToListMapReader<TReturn>(this.GetExpressionField(select));
         protected string InternalToSql<TReturn>(Expression select, FieldAliasOptions fieldAlias = FieldAliasOptions.AsIndex)

FreeSql/Internal/CommonProvider/SelectProvider/SelectGroupingProvider.cs

@@ -96,6 +96,15 @@ namespace FreeSql.Internal.CommonProvider
         }
         public void InternalOrderBy(Expression exp, bool isDescending)
         {
+            if (exp.NodeType == ExpressionType.Lambda) exp = (exp as LambdaExpression)?.Body;
+            if (exp?.NodeType == ExpressionType.New)
+            {
+                var newExp = exp as NewExpression;
+                if (newExp != null)
+                    for (var a = 0; a < newExp.Members.Count; a++)
+                        InternalOrderBy(newExp.Arguments[a], isDescending);
+                return;
+            }
             var sql = _comonExp.ExpressionWhereLambda(null, exp, this, null, null);
             var method = _select.GetType().GetMethod("OrderBy", new[] { typeof(string), typeof(object) });
             method.Invoke(_select, new object[] { isDescending ? $"{sql} DESC" : sql, null });