From bca4a2b618e43e6c0c4f002599f5abb67f742845 Mon Sep 17 00:00:00 2001
From: sunkaixuan <610262374@qq.com>
Date: Sat, 21 Jun 2025 09:45:10 +0800
Subject: [PATCH] Update mongodb

---
 .../MongoDbTest/UnitTest/QuerySelect.cs         |  7 +++++++
 .../VisitorItems/MethodCallExpressionTractor.cs | 17 +++++++++++++++--
 2 files changed, 22 insertions(+), 2 deletions(-)

diff --git a/Src/Asp.NetCore2/MongoDbTest/UnitTest/QuerySelect.cs b/Src/Asp.NetCore2/MongoDbTest/UnitTest/QuerySelect.cs
index f2faefcdd..84d7dc3ef 100644
--- a/Src/Asp.NetCore2/MongoDbTest/UnitTest/QuerySelect.cs
+++ b/Src/Asp.NetCore2/MongoDbTest/UnitTest/QuerySelect.cs
@@ -155,6 +155,13 @@ namespace MongoDbTest
                      name=SqlFunc.AggregateMin(it.Name),
                      age=it.Age
                 }).ToList();
+
+            var list17 = db.Queryable<Student>()  
+               .Select(it => new
+               {
+                   name2=it.Name,
+                   name = it.Name.Substring(0,1), 
+               }).ToList();
         }
         [SqlSugar.SugarTable("UnitStudent1231sds3z1")]
         public class Student : MongoDbBase
diff --git a/Src/Asp.NetCore2/SqlSugar.MongoDbCore/ExpToSql/VisitorItems/MethodCallExpressionTractor.cs b/Src/Asp.NetCore2/SqlSugar.MongoDbCore/ExpToSql/VisitorItems/MethodCallExpressionTractor.cs
index a1ee4e9c3..b7b3f0cc0 100644
--- a/Src/Asp.NetCore2/SqlSugar.MongoDbCore/ExpToSql/VisitorItems/MethodCallExpressionTractor.cs
+++ b/Src/Asp.NetCore2/SqlSugar.MongoDbCore/ExpToSql/VisitorItems/MethodCallExpressionTractor.cs
@@ -49,10 +49,23 @@ namespace SqlSugar.MongoDb
                         var value = context.GetType().GetMethod(name).Invoke(context, new object[] { model });
                         result = BsonDocument.Parse(value?.ToString());
                     }
+                    else if (name.StartsWith("Aggregate"))
+                    {
+                        var value = context.GetType().GetMethod(name).Invoke(context, new object[] { model });
+                        result = UtilMethods.MyCreate(value?.ToString());
+                    }
                     else
                     {
-                        var funcString = context.GetType().GetMethod(name).Invoke(context, new object[] { model });
-                        result = UtilMethods.MyCreate(funcString);
+                        var methodInfo = context.GetType().GetMethod(name);
+                        var funcString = methodInfo.Invoke(context, new object[] { model });
+                        if (new string[] { "Contains", "StartsWith", "EndsWith" }.Contains(name))
+                        {
+                            result = UtilMethods.MyCreate(funcString?.ToString());
+                        }
+                        else 
+                        {
+                            result = BsonDocument.Parse(funcString?.ToString());
+                        }
                     }
                 }
                 else if (name.StartsWith("Add"))