start.c (1721B)
1 /* 2 This file is part of TALER 3 Copyright (C) 2022 Taler Systems SA 4 5 TALER is free software; you can redistribute it and/or modify it under the 6 terms of the GNU General Public License as published by the Free Software 7 Foundation; either version 3, or (at your option) any later version. 8 9 TALER is distributed in the hope that it will be useful, but WITHOUT ANY 10 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR 11 A PARTICULAR PURPOSE. See the GNU General Public License for more details. 12 13 You should have received a copy of the GNU General Public License along with 14 TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/> 15 */ 16 /** 17 * @file exchangedb/start.c 18 * @brief Implementation of the start function for Postgres 19 * @author Christian Grothoff 20 */ 21 #include "exchange-database/preflight.h" 22 #include "exchange-database/start.h" 23 #include "helper.h" 24 25 enum GNUNET_GenericReturnValue 26 TALER_EXCHANGEDB_start (struct TALER_EXCHANGEDB_PostgresContext *pg, 27 const char *name) 28 { 29 struct GNUNET_PQ_ExecuteStatement es[] = { 30 GNUNET_PQ_make_execute ("START TRANSACTION ISOLATION LEVEL SERIALIZABLE"), 31 GNUNET_PQ_EXECUTE_STATEMENT_END 32 }; 33 34 GNUNET_assert (NULL != name); 35 if (GNUNET_SYSERR == 36 TALER_EXCHANGEDB_preflight (pg)) 37 return GNUNET_SYSERR; 38 GNUNET_log (GNUNET_ERROR_TYPE_INFO, 39 "Starting transaction `%s'\n", 40 name); 41 if (GNUNET_OK != 42 GNUNET_PQ_exec_statements (pg->conn, 43 es)) 44 { 45 TALER_LOG_ERROR ("Failed to start transaction\n"); 46 GNUNET_break (0); 47 return GNUNET_SYSERR; 48 } 49 pg->transaction_name = name; 50 return GNUNET_OK; 51 }