/* -*- 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 */ #pragma once #include namespace drizzled { class Item_func_from_days :public Item_date { public: Item_func_from_days(Item *a) :Item_date(a) {} const char *func_name() const { return "from_days"; } /** * All functions which inherit from Item_date must implement * their own get_temporal() method, which takes a supplied * Date reference and populates it with a correct * date based on the semantics of the function. * * For FROM_DAYS(), we interpret the function's argument * as a Julian Day Number and populate our supplied Date * reference accordingly. * * Returns whether the function was able to correctly fill * the supplied date temporal with a proper date. * * For a NULL parameter, we return false and set null_value * to true. * * @param Reference to a Date to populate */ bool get_temporal(Date &temporal); }; } /* namespace drizzled */