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 src/backenddb/delete_instance.c
      18              :  * @brief Implementation of the delete_instance function for Postgres
      19              :  * @author Iván Ávalos
      20              :  */
      21              : #include "platform.h"
      22              : #include <taler/taler_pq_lib.h>
      23              : #include "merchant-database/delete_instance.h"
      24              : #include "helper.h"
      25              : 
      26              : 
      27              : /**
      28              :  * Purge an instance and all associated information from our database.
      29              :  * Highly likely to cause undesired data loss. Use with caution.
      30              :  *
      31              :  * @param pg database context
      32              :  * @param merchant_id identifier of the instance
      33              :  * @return database result code
      34              :  */
      35              : enum GNUNET_DB_QueryStatus
      36           15 : TALER_MERCHANTDB_delete_instance (
      37              :   struct TALER_MERCHANTDB_PostgresContext *pg,
      38              :   const char *merchant_id)
      39              : {
      40           15 :   struct GNUNET_PQ_QueryParam params[] = {
      41           15 :     GNUNET_PQ_query_param_string (merchant_id),
      42              :     GNUNET_PQ_query_param_end
      43              :   };
      44              : 
      45           15 :   PREPARE (pg,
      46              :            "delete_instance",
      47              :            "DELETE FROM merchant.merchant_instances"
      48              :            " WHERE merchant_id = $1");
      49           15 :   return GNUNET_PQ_eval_prepared_non_select (pg->conn,
      50              :                                              "delete_instance",
      51              :                                              params);
      52              : }