bzr branch
http://bzr.ed.am/sqlite3cc
|
1
by edam
- initial commit |
1 |
/* |
|
2
by edam
- further initial development |
2 |
* transaction.cc |
|
1
by edam
- initial commit |
3 |
* |
4 |
* Copyright (C) 2009 Tim Marston <edam@waxworlds.org> |
|
5 |
* |
|
|
2
by edam
- further initial development |
6 |
* This file is part of sqlite3cc (hereafter referred to as "this program"). |
7 |
* See http://www.waxworlds.org/edam/software/sqlite3cc for more information. |
|
|
1
by edam
- initial commit |
8 |
* |
9 |
* This program is free software: you can redistribute it and/or modify |
|
10 |
* it under the terms of the GNU Lesser General Public License as published |
|
11 |
* by the Free Software Foundation, either version 3 of the License, or |
|
12 |
* (at your option) any later version. |
|
13 |
* |
|
14 |
* This program is distributed in the hope that it will be useful, |
|
15 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
16 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|
17 |
* GNU Lesser General Public License for more details. |
|
18 |
* |
|
19 |
* You should have received a copy of the GNU Lesser General Public License |
|
20 |
* along with this program. If not, see <http://www.gnu.org/licenses/>. |
|
21 |
*/ |
|
22 |
||
|
2
by edam
- further initial development |
23 |
#include <sqlite3cc/transaction.h> |
24 |
#include <sqlite3cc/database.h> |
|
25 |
#include <sqlite3cc/exception.h> |
|
|
3
by edam
- rewrote transaction classes and added transaction_guard |
26 |
#include <boost/thread.hpp> |
|
9
by edam
- added NEWS |
27 |
#include <boost/lexical_cast.hpp> |
|
3
by edam
- rewrote transaction classes and added transaction_guard |
28 |
|
29 |
||
30 |
sqlite::basic_transaction::basic_transaction( |
|
|
1
by edam
- initial commit |
31 |
database &database ) |
32 |
: |
|
33 |
_database( database ) |
|
34 |
{
|
|
|
3
by edam
- rewrote transaction classes and added transaction_guard |
35 |
} |
36 |
||
37 |
||
38 |
void sqlite::basic_transaction::begin() |
|
39 |
{
|
|
|
11
by edam
- update TODO |
40 |
_database.exec( "BEGIN" ); |
|
1
by edam
- initial commit |
41 |
} |
42 |
||
43 |
||
|
3
by edam
- rewrote transaction classes and added transaction_guard |
44 |
void sqlite::basic_transaction::commit() |
|
1
by edam
- initial commit |
45 |
{
|
|
11
by edam
- update TODO |
46 |
_database.exec( "COMMIT" ); |
|
1
by edam
- initial commit |
47 |
} |
48 |
||
49 |
||
|
3
by edam
- rewrote transaction classes and added transaction_guard |
50 |
void sqlite::basic_transaction::rollback() |
|
1
by edam
- initial commit |
51 |
{
|
|
11
by edam
- update TODO |
52 |
_database.exec( "ROLLBACK" ); |
|
1
by edam
- initial commit |
53 |
} |
54 |
||
55 |
||
56 |
sqlite::exclusive_transaction::exclusive_transaction( |
|
57 |
database &database ) |
|
58 |
: |
|
|
3
by edam
- rewrote transaction classes and added transaction_guard |
59 |
basic_transaction( database ) |
60 |
{
|
|
61 |
} |
|
62 |
||
63 |
||
64 |
void sqlite::exclusive_transaction::begin() |
|
65 |
{
|
|
|
11
by edam
- update TODO |
66 |
_database.exec( "BEGIN EXCLUSIVE" ); |
|
3
by edam
- rewrote transaction classes and added transaction_guard |
67 |
} |
68 |
||
69 |
||
70 |
sqlite::recursive_transaction::recursive_transaction( |
|
71 |
database &database ) |
|
72 |
: |
|
73 |
basic_transaction( database ) |
|
74 |
{
|
|
75 |
static unsigned long long i = 0; |
|
76 |
unsigned long long my_i; |
|
77 |
static boost::mutex mutex; |
|
78 |
{
|
|
79 |
boost::lock_guard< boost::mutex > lock( mutex ); |
|
80 |
my_i = i++; |
|
81 |
} |
|
82 |
_sp_name = "_" + boost::lexical_cast< std::string >( my_i++ ); |
|
83 |
} |
|
84 |
||
85 |
||
86 |
void sqlite::recursive_transaction::begin() |
|
87 |
{
|
|
|
11
by edam
- update TODO |
88 |
_database.exec( "SAVEPOINT " + _sp_name ); |
|
3
by edam
- rewrote transaction classes and added transaction_guard |
89 |
} |
90 |
||
91 |
||
92 |
void sqlite::recursive_transaction::commit() |
|
93 |
{
|
|
|
11
by edam
- update TODO |
94 |
_database.exec( "RELEASE " + _sp_name ); |
|
3
by edam
- rewrote transaction classes and added transaction_guard |
95 |
} |
96 |
||
97 |
||
98 |
void sqlite::recursive_transaction::rollback() |
|
99 |
{
|
|
|
11
by edam
- update TODO |
100 |
_database.exec( "ROLLBACK TO " + _sp_name ); |
|
3
by edam
- rewrote transaction classes and added transaction_guard |
101 |
|
102 |
// we have rolled back this transaction's savepoint, but the savepoint will |
|
103 |
// remain on the transaction stack unless we also release it |
|
|
11
by edam
- update TODO |
104 |
_database.exec( "RELEASE " + _sp_name ); |
|
1
by edam
- initial commit |
105 |
} |