~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_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(DRIZZLE_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 */