Line data    Source code

       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         1382 : TALER_EXCHANGEDB_start (struct TALER_EXCHANGEDB_PostgresContext *pg,
      27              :                         const char *name)
      28              : {
      29         1382 :   struct GNUNET_PQ_ExecuteStatement es[] = {
      30         1382 :     GNUNET_PQ_make_execute ("START TRANSACTION ISOLATION LEVEL SERIALIZABLE"),
      31              :     GNUNET_PQ_EXECUTE_STATEMENT_END
      32              :   };
      33              : 
      34         1382 :   GNUNET_assert (NULL != name);
      35         1382 :   if (GNUNET_SYSERR ==
      36         1382 :       TALER_EXCHANGEDB_preflight (pg))
      37            0 :     return GNUNET_SYSERR;
      38         1382 :   GNUNET_log (GNUNET_ERROR_TYPE_INFO,
      39              :               "Starting transaction `%s'\n",
      40              :               name);
      41         1382 :   if (GNUNET_OK !=
      42         1382 :       GNUNET_PQ_exec_statements (pg->conn,
      43              :                                  es))
      44              :   {
      45            0 :     TALER_LOG_ERROR ("Failed to start transaction\n");
      46            0 :     GNUNET_break (0);
      47            0 :     return GNUNET_SYSERR;
      48              :   }
      49         1382 :   pg->transaction_name = name;
      50         1382 :   return GNUNET_OK;
      51              : }