exchange

Base system with REST service to issue digital coins, run by the payment service provider
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pg_drop_tables.c (1901B)

      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_drop_tables.c
     18  * @brief Implementation of the drop_tables 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_drop_tables.h"
     26 #include "pg_helper.h"
     27 
     28 
     29 /**
     30  * Drop all Taler tables.  This should only be used by testcases.
     31  *
     32  * @param cls the `struct PostgresClosure` with the plugin-specific state
     33  * @return #GNUNET_OK upon success; #GNUNET_SYSERR upon failure
     34  */
     35 enum GNUNET_GenericReturnValue
     36 TEH_PG_drop_tables (void *cls)
     37 {
     38   struct PostgresClosure *pg = cls;
     39   struct GNUNET_PQ_Context *conn;
     40   enum GNUNET_GenericReturnValue ret;
     41 
     42   if (NULL != pg->conn)
     43   {
     44     GNUNET_PQ_disconnect (pg->conn);
     45     pg->conn = NULL;
     46   }
     47   conn = GNUNET_PQ_connect_with_cfg (pg->cfg,
     48                                      "exchangedb-postgres",
     49                                      NULL,
     50                                      NULL,
     51                                      NULL);
     52   if (NULL == conn)
     53     return GNUNET_SYSERR;
     54   ret = GNUNET_PQ_exec_sql (conn,
     55                             "drop");
     56   GNUNET_PQ_disconnect (conn);
     57   return ret;
     58 }