971.1.64
by Monty Taylor
Merged compress, uncompress and uncompressed_length into one plugin lib. Yay new plugin registration! |
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 |
* 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.
|
|
9 |
*
|
|
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.
|
|
14 |
*
|
|
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
|
|
18 |
*/
|
|
139.1.9
by Stewart Smith
Move compression functions (compress, uncompress and compressed_length) out into modules and fix test |
19 |
|
1241.9.36
by Monty Taylor
ZOMG. I deleted drizzled/server_includes.h. |
20 |
#include "config.h" |
1093.1.62
by Monty Taylor
Moved UDFs to slot organization. |
21 |
#include <drizzled/plugin/function.h> |
642.1.30
by Lee
move math functions to drizzled/function/math directory |
22 |
#include <drizzled/function/math/int.h> |
971.1.64
by Monty Taylor
Merged compress, uncompress and uncompressed_length into one plugin lib. Yay new plugin registration! |
23 |
#include "plugin/compression/uncompressed_length.h" |
139.1.9
by Stewart Smith
Move compression functions (compress, uncompress and compressed_length) out into modules and fix test |
24 |
|
942.1.12
by Monty Taylor
Converted udf_func into a factory. |
25 |
#include <string> |
26 |
||
27 |
using namespace std; |
|
1280.1.10
by Monty Taylor
Put everything in drizzled into drizzled namespace. |
28 |
using namespace drizzled; |
942.1.12
by Monty Taylor
Converted udf_func into a factory. |
29 |
|
139.1.9
by Stewart Smith
Move compression functions (compress, uncompress and compressed_length) out into modules and fix test |
30 |
|
31 |
int64_t Item_func_uncompressed_length::val_int() |
|
32 |
{
|
|
33 |
assert(fixed == 1); |
|
34 |
String *res= args[0]->val_str(&value); |
|
35 |
if (!res) |
|
36 |
{
|
|
37 |
null_value=1; |
|
971.6.11
by Eric Day
Removed purecov messages. |
38 |
return 0; |
139.1.9
by Stewart Smith
Move compression functions (compress, uncompress and compressed_length) out into modules and fix test |
39 |
}
|
40 |
null_value=0; |
|
41 |
if (res->is_empty()) return 0; |
|
42 |
||
43 |
/*
|
|
44 |
res->ptr() using is safe because we have tested that string is not empty,
|
|
45 |
res->c_ptr() is not used because:
|
|
46 |
- we do not need \0 terminated string to get first 4 bytes
|
|
47 |
- c_ptr() tests simbol after string end (uninitialiozed memory) which
|
|
48 |
confuse valgrind
|
|
49 |
*/
|
|
50 |
return uint4korr(res->ptr()) & 0x3FFFFFFF; |
|
51 |
}
|
|
52 |