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 "platform.h"
      22             : #include "taler_error_codes.h"
      23             : #include "taler_dbevents.h"
      24             : #include "taler_pq_lib.h"
      25             : #include "pg_rollback.h"
      26             : #include "pg_helper.h"
      27             : 
      28             : 
      29             : void
      30         741 : TEH_PG_rollback (void *cls)
      31             : {
      32         741 :   struct PostgresClosure *pg = cls;
      33         741 :   struct GNUNET_PQ_ExecuteStatement es[] = {
      34         741 :     GNUNET_PQ_make_execute ("ROLLBACK"),
      35             :     GNUNET_PQ_EXECUTE_STATEMENT_END
      36             :   };
      37             : 
      38         741 :   if (NULL == pg->transaction_name)
      39             :   {
      40         132 :     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
      41             :                 "Skipping rollback, no transaction active\n");
      42         132 :     return;
      43             :   }
      44         609 :   GNUNET_log (GNUNET_ERROR_TYPE_INFO,
      45             :               "Rolling back transaction\n");
      46         609 :   GNUNET_break (GNUNET_OK ==
      47             :                 GNUNET_PQ_exec_statements (pg->conn,
      48             :                                            es));
      49         609 :   pg->transaction_name = NULL;
      50             : }