~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_SIGNED_H

#define DRIZZLED_FUNCTION_SIGNED_H

#include <drizzled/function/math/int.h>

#include <drizzled/function/func.h>

class Item_func_signed :public Item_int_func

{

public:

  Item_func_signed(Item *a) :Item_int_func(a) {}

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

  int64_t val_int();

  int64_t val_int_from_str(int *error);

  void fix_length_and_dec()

  { max_length=args[0]->max_length; unsigned_flag=0; }

  virtual void print(String *str, enum_query_type query_type);

  uint32_t decimal_precision() const { return args[0]->decimal_precision(); }

};

#endif /* DRIZZLED_FUNCTION_SIGNED_H */