|
934.2.2
by Jay Pipes
Forgot to add the new files... |
1 |
/* - mode: c; c-basic-offset: 2; indent-tabs-mode: nil; -*-
|
2 |
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
|
|
3 |
*
|
|
4 |
* Copyright (C) 2008 Sun Microsystems
|
|
5 |
*
|
|
6 |
* Authors:
|
|
7 |
*
|
|
8 |
* Jay Pipes <jay.pipes@sun.com>
|
|
9 |
*
|
|
10 |
* This program is free software; you can redistribute it and/or modify
|
|
11 |
* it under the terms of the GNU General Public License as published by
|
|
12 |
* the Free Software Foundation; either version 2 of the License, or
|
|
13 |
* (at your option) any later version.
|
|
14 |
*
|
|
15 |
* This program is distributed in the hope that it will be useful,
|
|
16 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
17 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
18 |
* GNU General Public License for more details.
|
|
19 |
*
|
|
20 |
* You should have received a copy of the GNU General Public License
|
|
21 |
* along with this program; if not, write to the Free Software
|
|
22 |
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
23 |
*/
|
|
24 |
||
25 |
/**
|
|
26 |
* @file
|
|
27 |
*
|
|
28 |
* Implementation of SQL index hints
|
|
29 |
*/
|
|
|
1241.9.1
by Monty Taylor
Removed global.h. Fixed all the headers. |
30 |
#include "config.h" |
|
934.2.2
by Jay Pipes
Forgot to add the new files... |
31 |
#include "drizzled/sql_string.h" |
32 |
#include "drizzled/session.h" |
|
33 |
#include "drizzled/index_hint.h" |
|
|
1130.3.23
by Monty Taylor
Removed more server_includes.h from headers. |
34 |
#include "drizzled/sql_table.h" |
|
934.2.2
by Jay Pipes
Forgot to add the new files... |
35 |
|
|
1280.1.10
by Monty Taylor
Put everything in drizzled into drizzled namespace. |
36 |
namespace drizzled |
37 |
{
|
|
38 |
||
|
934.2.2
by Jay Pipes
Forgot to add the new files... |
39 |
/*
|
40 |
* Names of the index hints (for error messages). Keep in sync with
|
|
41 |
* index_hint_type
|
|
42 |
*/
|
|
43 |
const char *index_hint_type_name[] = |
|
44 |
{
|
|
45 |
"IGNORE INDEX"
|
|
46 |
, "USE INDEX" |
|
47 |
, "FORCE INDEX" |
|
48 |
};
|
|
49 |
||
50 |
/**
|
|
51 |
* Print an index hint
|
|
52 |
*
|
|
53 |
* Prints out the USE|FORCE|IGNORE index hint.
|
|
54 |
*
|
|
55 |
* @param Session pointer
|
|
56 |
* @param[out] Appends the index hint here
|
|
57 |
*/
|
|
58 |
void Index_hint::print(Session *session, String *str) |
|
59 |
{
|
|
60 |
str->append(STRING_WITH_LEN(index_hint_type_name[type])); |
|
61 |
str->append(STRING_WITH_LEN(" (")); |
|
62 |
if (key_name.length) |
|
63 |
{
|
|
64 |
if (session && is_primary_key_name(key_name.str)) |
|
65 |
str->append(is_primary_key_name(key_name.str)); |
|
66 |
else
|
|
67 |
str->append_identifier(key_name.str, key_name.length); |
|
68 |
}
|
|
69 |
str->append(')'); |
|
70 |
}
|
|
|
1280.1.10
by Monty Taylor
Put everything in drizzled into drizzled namespace. |
71 |
|
72 |
} /* namespace drizzled */ |