-

SqlSugar/ExpressionsToSql/ExpressionContext.cs

@@ -10,6 +10,9 @@ namespace SqlSugar
     public class ExpressionContext : ExpResolveAccessory
     {
         #region constructor
+        private ExpressionContext() {
+
+        }
         public ExpressionContext(Expression expression, ResolveExpressType type)
         {
             this.Type = type;
@@ -19,6 +22,7 @@ namespace SqlSugar
         #endregion
 
         #region properties
+        public IDbMethods DbMehtods { get; set; }
         public int Index { get; set; }
         public ResolveExpressType Type { get; set; }
         public Expression Expression { get; set; }

SqlSugar/ExpressionsToSql/IDbMethods.cs

@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SqlSugar
+{
+    public interface IDbMethods
+    {
+
+    }
+}

SqlSugar/SqlSugar.csproj

@@ -99,6 +99,7 @@
     <Compile Include="Entities\DbTableInfo.cs" />
     <Compile Include="ExpressionsToSql\Common\BinaryExpressionInfo.cs" />
     <Compile Include="ExpressionsToSql\Common\ExpressionErrorMessage.cs" />
+    <Compile Include="ExpressionsToSql\IDbMethods.cs" />
     <Compile Include="ExpressionsToSql\ResolveItems\MemberConstExpressionResolve.cs" />
     <Compile Include="ExpressionsToSql\ResolveItems\MemberInitExpressionResolve.cs" />
     <Compile Include="ExpressionsToSql\ResolveItems\MemberNewExpressionResolve.cs" />