blob: abdc1602824bf319d865535e171dd8fe899db139 (
plain)
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
|
/*
This file is part of TALER
Copyright (C) 2022 Taler Systems SA
TALER 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; either version 3, or (at your option) any later version.
TALER 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
TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
*/
/**
* @file exchangedb/pg_start_deferred_wire_out.c
* @brief Implementation of the start_deferred_wire_out function for Postgres
* @author Christian Grothoff
*/
#include "platform.h"
#include "taler_error_codes.h"
#include "taler_dbevents.h"
#include "taler_pq_lib.h"
#include "pg_start_deferred_wire_out.h"
#include "pg_helper.h"
#include "pg_preflight.h"
#include "pg_rollback.h"
enum GNUNET_GenericReturnValue
TEH_PG_start_deferred_wire_out (void *cls)
{
struct PostgresClosure *pg = cls;
struct GNUNET_PQ_ExecuteStatement es[] = {
GNUNET_PQ_make_execute (
"START TRANSACTION ISOLATION LEVEL READ COMMITTED;"),
GNUNET_PQ_make_execute ("SET CONSTRAINTS ALL DEFERRED;"),
GNUNET_PQ_EXECUTE_STATEMENT_END
};
if (GNUNET_SYSERR ==
TEH_PG_preflight (pg))
return GNUNET_SYSERR;
if (GNUNET_OK !=
GNUNET_PQ_exec_statements (pg->conn,
es))
{
TALER_LOG_ERROR (
"Failed to defer wire_out_ref constraint on transaction\n");
GNUNET_break (0);
TEH_PG_rollback (pg);
return GNUNET_SYSERR;
}
pg->transaction_name = "deferred wire out";
GNUNET_log (GNUNET_ERROR_TYPE_INFO,
"Starting READ COMMITTED DEFERRED transaction `%s'\n",
pg->transaction_name);
return GNUNET_OK;
}
|
