Line data    Source code

       1              : /*
       2              :    This file is part of TALER
       3              :    Copyright (C) 2024 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              : #include "taler/platform.h"
      17              : #include "taler/taler_pq_lib.h"
      18              : #include "pg_helper.h"
      19              : #include "pg_update_generic_suppressed.h"
      20              : 
      21              : struct Preparations
      22              : {
      23              :   /**
      24              :    * Database reconnect counter.
      25              :    */
      26              :   unsigned long long cnt;
      27              : 
      28              :   /**
      29              :    * Which DB did we do prepare for.
      30              :    */
      31              :   struct PostgresClosure *pg;
      32              : 
      33              : };
      34              : 
      35              : 
      36              : enum GNUNET_DB_QueryStatus
      37            0 : TAH_PG_update_generic_suppressed (
      38              :   void *cls,
      39              :   enum TALER_AUDITORDB_DeletableSuppressableTables table,
      40              :   uint64_t row_id,
      41              :   bool suppressed)
      42              : {
      43            0 :   struct PostgresClosure *pg = cls;
      44            0 :   struct GNUNET_PQ_QueryParam params[] = {
      45            0 :     GNUNET_PQ_query_param_uint64 (&row_id),
      46            0 :     GNUNET_PQ_query_param_bool (suppressed),
      47              :     GNUNET_PQ_query_param_end
      48              :   };
      49              :   static struct Preparations preps[
      50              :     TALER_AUDITORDB_DELETABLESUPPRESSABLE_TABLES_MAX];
      51              : 
      52            0 :   struct Preparations *prep = &preps[table];
      53            0 :   const char *table_name = TAH_PG_get_deletable_suppressable_table_name (table);
      54              :   char statement_name[256];
      55              : 
      56            0 :   GNUNET_snprintf (statement_name,
      57              :                    sizeof (statement_name),
      58              :                    "update_%s",
      59              :                    table_name);
      60            0 :   if ( (pg != prep->pg) ||
      61            0 :        (prep->cnt < pg->prep_gen) )
      62              :   {
      63              :     char sql[256];
      64            0 :     struct GNUNET_PQ_PreparedStatement ps[] = {
      65            0 :       GNUNET_PQ_make_prepare (statement_name,
      66              :                               sql),
      67              :       GNUNET_PQ_PREPARED_STATEMENT_END
      68              :     };
      69              : 
      70            0 :     GNUNET_snprintf (sql,
      71              :                      sizeof (sql),
      72              :                      "UPDATE %s SET"
      73              :                      " suppressed=$2"
      74              :                      " WHERE row_id=$1",
      75              :                      table_name);
      76            0 :     if (GNUNET_OK !=
      77            0 :         GNUNET_PQ_prepare_statements (pg->conn,
      78              :                                       ps))
      79              :     {
      80            0 :       GNUNET_break (0);
      81            0 :       return GNUNET_DB_STATUS_HARD_ERROR;
      82              :     }
      83            0 :     prep->pg = pg;
      84            0 :     prep->cnt = pg->prep_gen;
      85              :   }
      86            0 :   return GNUNET_PQ_eval_prepared_non_select (pg->conn,
      87              :                                              statement_name,
      88              :                                              params);
      89              : }