exchange

Base system with REST service to issue digital coins, run by the payment service provider
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pg_create_tables.c (2624B)

      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_create_tables.c
     18  * @brief Implementation of the create_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_create_tables.h"
     26 #include "pg_helper.h"
     27 
     28 
     29 enum GNUNET_GenericReturnValue
     30 TEH_PG_create_tables (void *cls,
     31                       bool support_partitions,
     32                       uint32_t num_partitions)
     33 {
     34   struct PostgresClosure *pg = cls;
     35   struct GNUNET_PQ_Context *conn;
     36   enum GNUNET_GenericReturnValue ret;
     37   struct GNUNET_PQ_QueryParam params[] = {
     38     support_partitions
     39     ? GNUNET_PQ_query_param_uint32 (&num_partitions)
     40     : GNUNET_PQ_query_param_null (),
     41     GNUNET_PQ_query_param_end
     42   };
     43   struct GNUNET_PQ_ExecuteStatement es[] = {
     44     GNUNET_PQ_make_try_execute ("SET search_path TO exchange;"),
     45     GNUNET_PQ_EXECUTE_STATEMENT_END
     46   };
     47 
     48   conn = GNUNET_PQ_connect_with_cfg (pg->cfg,
     49                                      "exchangedb-postgres",
     50                                      "exchange-",
     51                                      es,
     52                                      NULL);
     53   if (NULL == conn)
     54     return GNUNET_SYSERR;
     55   ret = GNUNET_PQ_exec_sql (conn,
     56                             "procedures");
     57   GNUNET_break (GNUNET_OK == ret);
     58   if (GNUNET_OK == ret)
     59   {
     60     struct GNUNET_PQ_Context *tconn;
     61 
     62     tconn = pg->conn;
     63     pg->prep_gen++;
     64     pg->conn = conn;
     65     PREPARE (pg,
     66              "create_tables",
     67              "SELECT"
     68              " exchange_do_create_tables"
     69              " ($1::INTEGER);");
     70     pg->conn = tconn;
     71     if (0 >
     72         GNUNET_PQ_eval_prepared_non_select (conn,
     73                                             "create_tables",
     74                                             params))
     75     {
     76       GNUNET_break (0);
     77       ret = GNUNET_SYSERR;
     78     }
     79   }
     80   GNUNET_PQ_disconnect (conn);
     81   return ret;
     82 }