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/*
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.c
* @brief Implementation of the start 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_preflight.h"
#include "pg_start.h"
#include "pg_helper.h"
enum GNUNET_GenericReturnValue
TEH_PG_start (void *cls,
const char *name)
{
struct PostgresClosure *pg = cls;
struct GNUNET_PQ_ExecuteStatement es[] = {
GNUNET_PQ_make_execute ("START TRANSACTION ISOLATION LEVEL SERIALIZABLE"),
GNUNET_PQ_EXECUTE_STATEMENT_END
};
GNUNET_assert (NULL != name);
if (GNUNET_SYSERR ==
TEH_PG_preflight (pg))
return GNUNET_SYSERR;
GNUNET_log (GNUNET_ERROR_TYPE_INFO,
"Starting transaction `%s'\n",
name);
if (GNUNET_OK !=
GNUNET_PQ_exec_statements (pg->conn,
es))
{
TALER_LOG_ERROR ("Failed to start transaction\n");
GNUNET_break (0);
return GNUNET_SYSERR;
}
pg->transaction_name = name;
return GNUNET_OK;
}
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