/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
 *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
 *
 *  Copyright (C) 2008 Sun Microsystems, Inc.
 *
 *  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_TIME_DATE_ADD_INTERVAL_H
#define DRIZZLED_FUNCTION_TIME_DATE_ADD_INTERVAL_H

#include <drizzled/function/time/date.h>

namespace drizzled
{

class Item_date_add_interval :public Item_date_func
{
  String value;
  enum_field_types cached_field_type;

public:
  const interval_type int_type; // keep it public
  const bool date_sub_interval; // keep it public
  Item_date_add_interval(Item *a,Item *b,interval_type type_arg,bool neg_arg)
    :Item_date_func(a,b),int_type(type_arg), date_sub_interval(neg_arg) {}
  String *val_str(String *);
  const char *func_name() const { return "date_add_interval"; }
  void fix_length_and_dec();
  enum_field_types field_type() const { return cached_field_type; }
  int64_t val_int();
  bool get_date(type::Time &res, uint32_t fuzzy_date);
  bool eq(const Item *item, bool binary_cmp) const;
  virtual void print(String *str, enum_query_type query_type);
};

} /* namespace drizzled */

#endif /* DRIZZLED_FUNCTION_TIME_DATE_ADD_INTERVAL_H */
