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             : }