// Copyright © 2008, 2011, Oracle and/or its affiliates. All rights reserved.
//
// MySQL Connector/NET is licensed under the terms of the GPLv2
// <http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>, like most 
// MySQL Connectors. There are special exceptions to the terms and 
// conditions of the GPLv2 as it is applied to this software, see the 
// FLOSS License Exception
// <http://www.mysql.com/about/legal/licensing/foss-exception.html>.
//
// This program is free software; you can redistribute it and/or modify 
// it under the terms of the GNU General Public License as published 
// by the Free Software Foundation; version 2 of the License.
//
// This program is distributed in the hope that it will be useful, but 
// WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 
// or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 
// for more details.
//
// You should have received a copy of the GNU General Public License along 
// with this program; if not, write to the Free Software Foundation, Inc., 
// 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA

using System.Text;
using MySql.Data.MySqlClient;
#if EF6
using System.Data.Entity.Core.Common.CommandTrees;
#else
using System.Data.Common.CommandTrees;
using System.Data.Metadata.Edm;
#endif

namespace MySql.Data.Entity
{
  class DeleteGenerator : SqlGenerator
  {
    public override string GenerateSQL(DbCommandTree tree)
    {
      DbDeleteCommandTree commandTree = tree as DbDeleteCommandTree;

      DeleteStatement statement = new DeleteStatement();

      statement.Target = commandTree.Target.Expression.Accept(this);
      scope.Add("target", statement.Target as InputFragment);

      statement.Where = commandTree.Predicate.Accept(this);

      return statement.ToString();
    }
  }
}