From 0b84219d4663c15c72ffbf74f620ed03490e8df1 Mon Sep 17 00:00:00 2001
From: sunkaixuan <610262374@qq.com>
Date: Tue, 13 Dec 2022 16:39:06 +0800
Subject: [PATCH] Update exp to sql

---
 .../SqlSugar/ExpressionsToSql/DbMethods/DefaultDbMethod.cs    | 4 ++--
 .../ResolveItems/MethodCallExpressionResolve_Helper.cs        | 4 ++++
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/DbMethods/DefaultDbMethod.cs b/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/DbMethods/DefaultDbMethod.cs
index ef179b5cc..0b92dd732 100644
--- a/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/DbMethods/DefaultDbMethod.cs
+++ b/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/DbMethods/DefaultDbMethod.cs
@@ -692,8 +692,8 @@ namespace SqlSugar
         public string CompareTo(MethodCallExpressionModel model) 
         {
             var parameterNameA=model.Args[0].MemberName;
-            var parameterNameB = model.Args[0].MemberName;
-            return $"(case when   '{parameterNameA}'>'{parameterNameB}'  then 1   when '{parameterNameA}'='{parameterNameB}' then 0 else -1 end)";
+            var parameterNameB = model.Args[1].MemberName;
+            return $"(case when   {parameterNameA}>{parameterNameB}  then 1   when {parameterNameA}={parameterNameB} then 0 else -1 end)";
         }
     }
 }
diff --git a/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/ResolveItems/MethodCallExpressionResolve_Helper.cs b/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/ResolveItems/MethodCallExpressionResolve_Helper.cs
index 4175d1648..bc9b1daee 100644
--- a/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/ResolveItems/MethodCallExpressionResolve_Helper.cs
+++ b/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/ResolveItems/MethodCallExpressionResolve_Helper.cs
@@ -792,6 +792,10 @@ namespace SqlSugar
             {
                 return true;
             }
+            if (expression.Method.Name == "CompareTo") 
+            {
+                return true;
+            }
             if (expression.Method.Name == "Format" && expression.Method.DeclaringType == UtilConstants.StringType)
             {
                 return true;