/* -*- 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 /* The following class is used to optimize comparing of date and bigint columns We need to save the original item ('ref') to be able to call ref->save_in_field(). This is used to create index search keys. An instance of Item_int_with_ref may have signed or unsigned integer value. */ namespace drizzled { class Item_int_with_ref :public Item_int { Item *ref; public: Item_int_with_ref(int64_t i, Item *ref_arg, bool unsigned_arg) : Item_int(i), ref(ref_arg) { unsigned_flag= unsigned_arg; } int save_in_field(Field *field, bool no_conversions) { return ref->save_in_field(field, no_conversions); } Item *clone_item(); virtual Item *real_item() { return ref; } virtual const Item *real_item() const { return ref; } }; } /* namespace drizzled */