-

OrmTest/ExpressionTest/Field.cs

@@ -0,0 +1,22 @@
+using OrmTest.Models;
+using SqlSugar;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Linq.Expressions;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace OrmTest.ExpressionTest
+{
+    public class Field
+    {
+        internal static void Init()
+        {
+            Expression<Func<Student, object>> exp = it=>it.Name;
+            ExpressionContext expContext = new ExpressionContext(exp, ResolveExpressType.FieldMultiple);
+            expContext.Resolve();
+            var selectorValue = expContext.Result.GetString();
+        }
+    }
+}

OrmTest/ExpressionTest/Select.cs

@@ -14,7 +14,7 @@ namespace OrmTest.ExpressionTest
         internal static void Init()
         {
             DateTime b = DateTime.Now;
-            int count = 10000;
+            int count = 1;
             for (int i = 0; i < count; i++)
             {
                 single();
@@ -29,8 +29,7 @@ namespace OrmTest.ExpressionTest
         private static void Multiple()
         {
             Expression<Func<Student,School, object>> exp = (it,school) => new Student() { Name = "a", Id = it.Id, SchoolId = school.Id };
-            ExpressionContext expContext = new ExpressionContext(exp, ResolveExpressType.WhereSingle);
-            expContext.ResolveType = ResolveExpressType.SelectMultiple;
+            ExpressionContext expContext = new ExpressionContext(exp, ResolveExpressType.SelectMultiple);
             expContext.Resolve();
             var selectorValue = expContext.Result.GetString();
             var pars = expContext.Parameters;
@@ -38,8 +37,7 @@ namespace OrmTest.ExpressionTest
         private static void MultipleDynamic()
         {
             Expression<Func<Student, School, object>> exp = (it, school) => new{ Name = "a", Id = it.Id, SchoolId = school.Id };
-            ExpressionContext expContext = new ExpressionContext(exp, ResolveExpressType.WhereSingle);
-            expContext.ResolveType = ResolveExpressType.SelectMultiple;
+            ExpressionContext expContext = new ExpressionContext(exp, ResolveExpressType.SelectMultiple);
             expContext.Resolve();
             var selectorValue = expContext.Result.GetString();
             var pars = expContext.Parameters;
@@ -48,8 +46,7 @@ namespace OrmTest.ExpressionTest
         {
             int p = 1;
             Expression<Func<Student, object>> exp = it => new Student() { Name = "a", Id = it.Id, SchoolId = p };
-            ExpressionContext expContext = new ExpressionContext(exp, ResolveExpressType.WhereSingle);
-            expContext.ResolveType = ResolveExpressType.SelectSingle;
+            ExpressionContext expContext = new ExpressionContext(exp, ResolveExpressType.SelectSingle);
             expContext.Resolve();
             var selectorValue = expContext.Result.GetString();
             var pars = expContext.Parameters;
@@ -59,8 +56,7 @@ namespace OrmTest.ExpressionTest
         {
             string a = "a";
             Expression<Func<Student, object>> exp = it => new { x = it.Id, shoolid = 1, name = a };
-            ExpressionContext expContext = new ExpressionContext(exp, ResolveExpressType.WhereSingle);
-            expContext.ResolveType = ResolveExpressType.SelectSingle;
+            ExpressionContext expContext = new ExpressionContext(exp, ResolveExpressType.SelectSingle);
             expContext.Resolve();
             var selectorValue = expContext.Result.GetString();
             var pars = expContext.Parameters;

OrmTest/OrmTest.csproj

@@ -43,6 +43,7 @@
     <Reference Include="System.Xml" />
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="ExpressionTest\Field.cs" />
     <Compile Include="ExpressionTest\Select.cs" />
     <Compile Include="ExpressionTest\Where.cs" />
     <Compile Include="Models\School.cs" />

OrmTest/Program.cs

@@ -24,6 +24,7 @@ namespace OrmTest
 
 
             OrmTest.ExpressionTest.Select.Init();
+            OrmTest.ExpressionTest.Field.Init();
 
 
             Program.id = "xx";