libsqlite3x  2007.10.18
sqlite3x_transaction.cpp
1 /*
2  Copyright (C) 2004-2005 Cory Nelson
3 
4  This software is provided 'as-is', without any express or implied
5  warranty. In no event will the authors be held liable for any damages
6  arising from the use of this software.
7 
8  Permission is granted to anyone to use this software for any purpose,
9  including commercial applications, and to alter it and redistribute it
10  freely, subject to the following restrictions:
11 
12  1. The origin of this software must not be misrepresented; you must not
13  claim that you wrote the original software. If you use this software
14  in a product, an acknowledgment in the product documentation would be
15  appreciated but is not required.
16  2. Altered source versions must be plainly marked as such, and must not be
17  misrepresented as being the original software.
18  3. This notice may not be removed or altered from any source distribution.
19 
20  CVS Info :
21  $Author: sgbeal $
22  $Date: 2007/02/25 23:59:06 $
23  $Revision: 1.4 $
24 */
25 
26 #include <sqlite3.h>
27 #include "sqlite3x.hpp"
28 
29 namespace sqlite3x {
30 
31 sqlite3_transaction::sqlite3_transaction(sqlite3_connection &con, bool start) : con(con),intrans(false) {
32  if(start) begin();
33 }
34 
36  if(intrans) {
37  try {
38  rollback();
39  }
40  catch(...) {
41  return;
42  }
43  }
44 }
45 
47  con.executenonquery("begin");
48  intrans=true;
49 }
50 
52  con.executenonquery("commit");
53  intrans=false;
54 }
55 
57  con.executenonquery("rollback");
58  intrans=false;
59 }
60 
61 }
~sqlite3_transaction()
If destructed before commit() is called, rollback() is called.
This namespace encapsulates a C++ API wrapper for sqlite3 databases.
Definition: sqlite3x.hpp:120
Represents a connection to an sqlite3 database.
Definition: sqlite3x.hpp:148
void commit()
Commits a transaction.
void begin()
Starts a transaction.
void executenonquery(const std::string &sql)
Executes a command which is assumed to have a single step and a void result.
void rollback()
Rolls back a transaction with a commit.