CodeFirst adds database index and default value

Src/Asp.Net/MySqlTest/MySqlTest.csproj

@@ -116,6 +116,7 @@
     <Compile Include="OldTests\UnitTest\Update.cs" />
     <Compile Include="UnitTest\Main.cs" />
     <Compile Include="UnitTest\UAdo.cs" />
+    <Compile Include="UnitTest\UCodeFirst.cs" />
     <Compile Include="UnitTest\UJson.cs" />
     <Compile Include="UnitTest\Updateable.cs" />
     <Compile Include="UnitTest\UQueryable.cs" />

Src/Asp.Net/MySqlTest/UnitTest/Main.cs

@@ -25,6 +25,7 @@ namespace OrmTest
         });
         public static void Init()
         {
+            CodeFirst();
             Updateable();
             Json();
             Ado();

Src/Asp.Net/MySqlTest/UnitTest/UCodeFirst.cs

@@ -0,0 +1,26 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace OrmTest
+{
+    public partial class NewUnitTest
+    {
+        public static void CodeFirst()
+        {
+            if (Db.DbMaintenance.IsAnyTable("UnitCodeTest1", false))
+                Db.DbMaintenance.DropTable("UnitCodeTest1");
+            Db.CodeFirst.InitTables<UnitCodeTest1>();
+            Db.CodeFirst.InitTables<UnitCodeTest1>();
+        }
+        public class UnitCodeTest1
+        {
+            [SqlSugar.SugarColumn(IndexGroupNameList = new string[] { "group1" })]
+            public int Id { get; set; }
+            [SqlSugar.SugarColumn(DefaultValue = "now()", IndexGroupNameList = new string[] { "group1" })]
+            public DateTime? CreateDate { get; set; }
+        }
+    }
+}