Move seek of underlying IDbConnection/DbCommand to ToDbCommand() ext methods

Author: mythz

src/ServiceStack.OrmLite.MySql/MySqlDialectProvider.cs

@@ -228,19 +228,11 @@ public string GetColumnDefinition(FieldDefinition fieldDef)
 
         protected MySqlConnection Unwrap(IDbConnection db)
         {
-            var hasDb = db as IHasDbConnection;
-            if (hasDb != null)
-                return (MySqlConnection)hasDb.DbConnection;
-
             return (MySqlConnection)db.ToDbConnection();
         }
 
         protected MySqlCommand Unwrap(IDbCommand cmd)
         {
-            var hasCmd = cmd as IHasDbCommand;
-            if (hasCmd != null)
-                return (MySqlCommand)hasCmd.DbCommand;
-
             return (MySqlCommand)cmd.ToDbCommand();
         }
 

src/ServiceStack.OrmLite.SqlServer/SqlServerOrmLiteDialectProvider.cs

@@ -465,20 +465,12 @@ public override string GetLoadChildrenSubSelect<From>(ModelDefinition modelDef,
 
         protected SqlConnection Unwrap(IDbConnection db)
         {
-            var hasDb = db as IHasDbConnection;
-            if (hasDb != null)
-                return (SqlConnection)hasDb.DbConnection;
- 
             return (SqlConnection)db.ToDbConnection();
         }
 
         protected SqlCommand Unwrap(IDbCommand cmd)
         {
-            var hasCmd = cmd as IHasDbCommand;
-            if (hasCmd != null)
-                return (SqlCommand)hasCmd.DbCommand;
-
-            return (SqlCommand) cmd.ToDbCommand();
+            return (SqlCommand)cmd.ToDbCommand();
         }
 
         protected SqlDataReader Unwrap(IDataReader reader)

src/ServiceStack.OrmLite/OrmLiteCommand.cs

@@ -1,12 +1,8 @@
 using System.Data;
+using ServiceStack.Data;
 
 namespace ServiceStack.OrmLite
 {
-    public interface IHasDbCommand
-    {
-        IDbCommand DbCommand { get; }
-    }
-
     public class OrmLiteCommand : IDbCommand, IHasDbCommand
     {
         private OrmLiteConnection dbConn;

src/ServiceStack.OrmLite/OrmLiteConnectionFactory.cs

@@ -171,15 +171,15 @@ public static IDbConnection ToDbConnection(this IDbConnection db)
         {
             var hasDb = db as IHasDbConnection;
             return hasDb != null
-                ? hasDb.DbConnection
+                ? hasDb.DbConnection.ToDbConnection()
                 : db;
         }
 
         public static IDbCommand ToDbCommand(this IDbCommand dbCmd)
         {
             var hasDbCmd = dbCmd as IHasDbCommand;
             return hasDbCmd != null
-                ? hasDbCmd.DbCommand
+                ? hasDbCmd.DbCommand.ToDbCommand()
                 : dbCmd;
         }