From 02a77724021a27fb7d473f90184c3cfa84b3bc36 Mon Sep 17 00:00:00 2001
From: sunkaixuan <610262374@qq.com>
Date: Fri, 20 Jun 2025 19:53:35 +0800
Subject: [PATCH] Update mongodb

---
 Src/Asp.NetCore2/MongoDbTest/UnitTest/Delete.cs    |  8 +++++++-
 .../MongoDb/SqlBuilder/MongoDbExpressionContext.cs | 14 ++++++++++++++
 2 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/Src/Asp.NetCore2/MongoDbTest/UnitTest/Delete.cs b/Src/Asp.NetCore2/MongoDbTest/UnitTest/Delete.cs
index 8ddcda9d2..1943917fe 100644
--- a/Src/Asp.NetCore2/MongoDbTest/UnitTest/Delete.cs
+++ b/Src/Asp.NetCore2/MongoDbTest/UnitTest/Delete.cs
@@ -28,7 +28,13 @@ namespace MongoDbTest
             if (count3 != 1) Cases.ThrowUnitError();
             var rows3 = db.Deleteable<Student>().In(db.Queryable<Student>().First().Id).ExecuteCommandAsync().GetAwaiter().GetResult();
             var count4 = db.Queryable<Student>().Count();
-            if (count4 !=0) Cases.ThrowUnitError(); 
+            if (count4 !=0) Cases.ThrowUnitError();
+            db.Insertable(new List<Student>() {
+            new Student() { Age = 2, Name = "aa", SchoolId = "222", CreateDateTime = DateTime.Now.AddDays(-1) },
+            new Student() { Age = 3, Name = "33", SchoolId = "333", CreateDateTime = DateTime.Now.AddDays(1) }
+            }).ExecuteCommandAsync().GetAwaiter().GetResult();
+            var id2 =db.Queryable<Student>().First(it => it.Name.ToLower() == "a")?.Id??null;
+            db.Deleteable<Student>().In(id).ExecuteCommandAsync().GetAwaiter().GetResult();
         }
         [SqlSugar.SugarTable("UnitStudent1ssdds3z1")]
         public class Student : MongoDbBase
diff --git a/Src/Asp.NetCore2/SqlSugar.MongoDbCore/MongoDb/SqlBuilder/MongoDbExpressionContext.cs b/Src/Asp.NetCore2/SqlSugar.MongoDbCore/MongoDb/SqlBuilder/MongoDbExpressionContext.cs
index db05139a3..912a9fd98 100644
--- a/Src/Asp.NetCore2/SqlSugar.MongoDbCore/MongoDb/SqlBuilder/MongoDbExpressionContext.cs
+++ b/Src/Asp.NetCore2/SqlSugar.MongoDbCore/MongoDb/SqlBuilder/MongoDbExpressionContext.cs
@@ -486,6 +486,20 @@ namespace SqlSugar.MongoDb
                 throw new NotSupportedException("ToString 只支持0或1个参数");
             }
         }
+        public override string ToUpper(MethodCallExpressionModel model)
+        {
+            var item = model.DataObject as Expression;
+            BsonValue memberName = new ExpressionVisitor(context).Visit(item as Expression);
+            var toUpperDoc = new BsonDocument("$toUpper", $"${memberName}");
+            return toUpperDoc.ToJson(UtilMethods.GetJsonWriterSettings());
+        }
+        public override string ToLower(MethodCallExpressionModel model)
+        {
+            var item = model.DataObject as Expression;
+            BsonValue memberName = new ExpressionVisitor(context).Visit(item as Expression);
+            var toLowerDoc = new BsonDocument("$toLower", $"${memberName}");
+            return toLowerDoc.ToJson(UtilMethods.GetJsonWriterSettings());
+        }
 
         #region