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) 2008-2009 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 <drizzled/memory/sql_alloc.h>
#include <drizzled/base.h>
namespace drizzled
{
namespace optimizer
{
class QuickRange : public memory::SqlAlloc
{
public:
unsigned char *min_key;
unsigned char *max_key;
uint16_t min_length;
uint16_t max_length;
uint16_t flag;
key_part_map min_keypart_map; /**< bitmap of used keyparts in min_key */
key_part_map max_keypart_map; /**< bitmap of used keyparts in max_key */
QuickRange(); /**< Constructor for a "full range" */
QuickRange(const unsigned char *min_key_arg,
uint32_t min_length_arg,
key_part_map min_keypart_map_arg,
const unsigned char *max_key_arg,
uint32_t max_length_arg,
key_part_map max_keypart_map_arg,
uint32_t flag_arg)
:
min_key((unsigned char*) memory::sql_memdup(min_key_arg,min_length_arg+1)),
max_key((unsigned char*) memory::sql_memdup(max_key_arg,max_length_arg+1)),
min_length((uint16_t) min_length_arg),
max_length((uint16_t) max_length_arg),
flag((uint16_t) flag_arg),
min_keypart_map(min_keypart_map_arg),
max_keypart_map(max_keypart_map_arg)
{}
};
} /* namespace optimizer */
} /* namespace drizzled */
|