1
/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
2
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
4
* Copyright (C) 2008 Sun Microsystems
6
* This program is free software; you can redistribute it and/or modify
7
* it under the terms of the GNU General Public License as published by
8
* the Free Software Foundation; version 2 of the License.
10
* This program is distributed in the hope that it will be useful,
11
* but WITHOUT ANY WARRANTY; without even the implied warranty of
12
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13
* GNU General Public License for more details.
15
* You should have received a copy of the GNU General Public License
16
* along with this program; if not, write to the Free Software
17
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20
#ifndef DRIZZLED_ITEM_INT_WITH_REF_H
21
#define DRIZZLED_ITEM_INT_WITH_REF_H
24
The following class is used to optimize comparing of date and bigint columns
25
We need to save the original item ('ref') to be able to call
26
ref->save_in_field(). This is used to create index search keys.
28
An instance of Item_int_with_ref may have signed or unsigned integer value.
32
class Item_int_with_ref :public Item_int
36
Item_int_with_ref(int64_t i, Item *ref_arg, bool unsigned_arg) :
37
Item_int(i), ref(ref_arg)
39
unsigned_flag= unsigned_arg;
41
int save_in_field(Field *field, bool no_conversions)
43
return ref->save_in_field(field, no_conversions);
46
virtual Item *real_item() { return ref; }
49
#endif /* DRIZZLED_ITEM_INT_WITH_REF_H */