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/pg_rollback.c
      18              :  * @brief Implementation of the rollback function for Postgres
      19              :  * @author Christian Grothoff
      20              :  */
      21              : #include "taler/platform.h"
      22              : #include "taler/taler_error_codes.h"
      23              : #include "taler/taler_dbevents.h"
      24              : #include "taler/taler_pq_lib.h"
      25              : #include "pg_rollback.h"
      26              : #include "pg_helper.h"
      27              : 
      28              : 
      29              : void
      30          372 : TEH_PG_rollback (void *cls)
      31              : {
      32          372 :   struct PostgresClosure *pg = cls;
      33          372 :   struct GNUNET_PQ_ExecuteStatement es[] = {
      34          372 :     GNUNET_PQ_make_execute ("ROLLBACK"),
      35              :     GNUNET_PQ_EXECUTE_STATEMENT_END
      36              :   };
      37              : 
      38          372 :   if (NULL == pg->transaction_name)
      39              :   {
      40          106 :     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
      41              :                 "Skipping rollback, no transaction active\n");
      42          106 :     return;
      43              :   }
      44          266 :   GNUNET_log (GNUNET_ERROR_TYPE_INFO,
      45              :               "Rolling back transaction\n");
      46          266 :   GNUNET_break (GNUNET_OK ==
      47              :                 GNUNET_PQ_exec_statements (pg->conn,
      48              :                                            es));
      49          266 :   pg->transaction_name = NULL;
      50              : }