1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
/* -*- 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
*/
#include <drizzled/server_includes.h>
#include CSTDINT_H
#include <drizzled/item/cache.h>
#include <drizzled/item/cache_row.h>
#include <drizzled/item/cache_int.h>
#include <drizzled/item/cache_real.h>
#include <drizzled/item/cache_decimal.h>
#include <drizzled/item/cache_str.h>
Item_cache* Item_cache::get_cache(const Item *item)
{
switch (item->result_type()) {
case INT_RESULT:
return new Item_cache_int();
case REAL_RESULT:
return new Item_cache_real();
case DECIMAL_RESULT:
return new Item_cache_decimal();
case STRING_RESULT:
return new Item_cache_str(item);
case ROW_RESULT:
return new Item_cache_row();
default:
// should never be in real life
assert(0);
return 0;
}
}
void Item_cache::print(String *str, enum_query_type query_type)
{
str->append(STRING_WITH_LEN("<cache>("));
if (example)
example->print(str, query_type);
else
Item::print(str, query_type);
str->append(')');
}
bool Item_cache::eq_def(Field *field)
{
return cached_field ? cached_field->eq_def (field) : false;
}
|