Update mongodb

Src/Asp.NetCore2/MongoDbTest/OrmTest/OrmTest.cs

@@ -116,7 +116,15 @@ namespace MongoDbTest
                            Id = it.Id,
                            Name = it.Name+"b",
                            Name2 =   "b"+it.Name
-                       }).ToDataTable(); 
+                       }).ToDataTable();
+
+            //var list13 = db.Queryable<OrderInfo>()
+            //       .GroupBy(it=>it.Name)
+            //       .Select(it => new
+            //       {
+            //           Id = it.Name,
+            //           Name =SqlFunc.AggregateMax(it.Id)
+            //       }).ToList();
             //测试生成SQL性能
             TestSqlBuilder(db);
         }

Src/Asp.NetCore2/SqlSugar.MongoDbCore/ExpToSql/VisitorItems/MethodCallExpressionTractor.cs

@@ -3,7 +3,7 @@ using System;
 using System.Collections.Generic;
 using System.Linq.Expressions;
 using System.Text;
-
+using System.Linq;
 namespace SqlSugar.MongoDb 
 {
     public class MethodCallExpressionTractor
@@ -21,7 +21,25 @@ namespace SqlSugar.MongoDb
             {
                 return BsonValue.Create(ExpressionTool.DynamicInvoke(expr));
             }
-            return null;
+            else
+            {
+                var methodCallExpression = expr as MethodCallExpression;
+                var name = methodCallExpression.Method.Name;
+                BsonValue result = null;
+                if (typeof(IDbMethods).GetMethods().Any(it => it.Name == name))
+                {
+                    var context = new MongoDbMethod();
+                    MethodCallExpressionModel model = new MethodCallExpressionModel();
+                    var args= methodCallExpression.Arguments;
+                    foreach (var item in args)
+                    {
+                        //开发中
+                    }
+                    var funcString= context.GetType().GetMethod(name).Invoke(context, new object[] { model });
+                    result = BsonValue.Create(funcString);
+                }
+                return result;
+            }
         }
     }
 }