disable_rules.c (1954B)
1 /* 2 This file is part of TALER 3 Copyright (C) 2025 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/disable_rules.c 18 * @brief Implementation of the disable_rules function for Postgres 19 * @author Christian Grothoff 20 */ 21 #include "taler/taler_pq_lib.h" 22 #include "exchange-database/disable_rules.h" 23 #include "helper.h" 24 25 26 enum GNUNET_DB_QueryStatus 27 TALER_EXCHANGEDB_disable_rules ( 28 struct TALER_EXCHANGEDB_PostgresContext *pg, 29 const char *schema) 30 { 31 struct GNUNET_PQ_QueryParam params[] = { 32 GNUNET_PQ_query_param_string (schema), 33 GNUNET_PQ_query_param_end 34 }; 35 bool found; 36 struct GNUNET_PQ_ResultSpec rs[] = { 37 GNUNET_PQ_result_spec_bool ("out_found", 38 &found), 39 GNUNET_PQ_result_spec_end 40 }; 41 enum GNUNET_DB_QueryStatus qs; 42 43 PREPARE (pg, 44 "call_exchange_drop_customization", 45 "SELECT out_found" 46 " FROM exchange_drop_customization" 47 " ($1);"); 48 qs = GNUNET_PQ_eval_prepared_singleton_select (pg->conn, 49 "call_exchange_drop_customization", 50 params, 51 rs); 52 if (qs < 0) 53 return qs; 54 if (found) 55 return GNUNET_DB_STATUS_SUCCESS_ONE_RESULT; 56 return GNUNET_DB_STATUS_SUCCESS_NO_RESULTS; 57 }