~drizzle-trunk/drizzle/development

/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-

 *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:

 *

 *  Copyright (C) 2008 Sun Microsystems

 *

 *  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

 */

#ifndef DRIZZLED_FUNCTION_STR_CONCAT_H

#define DRIZZLED_FUNCTION_STR_CONCAT_H

#include <drizzled/function/str/strfunc.h>

namespace drizzled

{

class Item_func_concat :public Item_str_func

{

  Session &session;

  String tmp_value;

public:

  Item_func_concat(Session &session_arg, List<Item> &list) :

    Item_str_func(list),

    session(session_arg)

  {}

  Item_func_concat(Session &session_arg, Item *a, Item *b) :

    Item_str_func(a, b),

    session(session_arg)

  {}

  String *val_str(String *);

  void fix_length_and_dec();

  const char *func_name() const { return "concat"; }

};

class Item_func_concat_ws :public Item_str_func

{

  Session &session;

  String tmp_value;

public:

  Item_func_concat_ws(Session &session_arg, List<Item> &list) :

    Item_str_func(list),

    session(session_arg)

  {}

  String *val_str(String *);

  void fix_length_and_dec();

  const char *func_name() const { return "concat_ws"; }

  table_map not_null_tables() const { return 0; }

};

} /* namespace drizzled */

#endif /* DRIZZLED_FUNCTION_STR_CONCAT_H */