-

SqlServerTest/Demo/DbFirst.cs

@@ -12,7 +12,20 @@ namespace OrmTest.Demo
         {
             var db = GetInstance();
             //Create all class
-            db.DbFirst.CreateClassFile("c:\\Demo\\all");
+            db.DbFirst.CreateClassFile("c:\\Demo\\1");
+
+            //Create student calsss
+            db.DbFirst.Where("Student").CreateClassFile("c:\\Demo\\2");
+
+            //Mapping name
+            db.MappingTables.Add("ClassStudent", "Student");
+            db.DbFirst.Where("Student").CreateClassFile("c:\\Demo\\3");
+
+            //Remove mapping
+            db.MappingTables.Clear();
+
+            //Create class with default value
+            db.DbFirst.IsCreateDefaultValue().CreateClassFile("c:\\Demo\\4");
         }
     }
 }

SqlSugar/SqlSugarAccessory.cs

@@ -25,8 +25,6 @@ namespace SqlSugar
         protected IAdo _Ado;
         protected ILambdaExpressions _LambdaExpressions;
         protected IRewritableMethods _RewritableMethods;
-        protected IDbFirst _DbFirst;
-        protected ICodeFirst _CodeFirst;
         protected IDbMaintenance _DbMaintenance;
         #endregion
 

SqlSugar/SqlSugarClient.cs

@@ -228,14 +228,10 @@ namespace SqlSugar
         {
             get
             {
-                if (base._DbFirst == null)
-                {
-                    IDbFirst dbFirst = InstanceFactory.GetDbFirst(this.Context.CurrentConnectionConfig);
-                    base._DbFirst = dbFirst;
-                    dbFirst.Context = this.Context;
-                    dbFirst.Init();
-                }
-                return base._DbFirst;
+                IDbFirst dbFirst = InstanceFactory.GetDbFirst(this.Context.CurrentConnectionConfig);
+                dbFirst.Context = this.Context;
+                dbFirst.Init();
+                return dbFirst;
             }
         }
         #endregion
@@ -245,13 +241,9 @@ namespace SqlSugar
         {
             get
             {
-                if (base._CodeFirst == null)
-                {
-                    ICodeFirst codeFirst = InstanceFactory.GetCodeFirst(this.Context.CurrentConnectionConfig);
-                    base._CodeFirst = codeFirst;
-                    codeFirst.Context = this.Context;
-                }
-                return base._CodeFirst;
+                ICodeFirst codeFirst = InstanceFactory.GetCodeFirst(this.Context.CurrentConnectionConfig);
+                codeFirst.Context = this.Context;
+                return codeFirst;
             }
         }
         #endregion