pg_disable_rules.c (2036B)
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/pg_disable_rules.c 18 * @brief Implementation of the disable_rules 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_disable_rules.h" 26 #include "pg_helper.h" 27 28 29 enum GNUNET_DB_QueryStatus 30 TEH_PG_disable_rules ( 31 void *cls, 32 const char *schema) 33 { 34 struct PostgresClosure *pg = cls; 35 struct GNUNET_PQ_QueryParam params[] = { 36 GNUNET_PQ_query_param_string (schema), 37 GNUNET_PQ_query_param_end 38 }; 39 bool found; 40 struct GNUNET_PQ_ResultSpec rs[] = { 41 GNUNET_PQ_result_spec_bool ("out_found", 42 &found), 43 GNUNET_PQ_result_spec_end 44 }; 45 enum GNUNET_DB_QueryStatus qs; 46 47 PREPARE (pg, 48 "call_exchange_drop_customization", 49 "SELECT out_found" 50 " FROM exchange_drop_customization" 51 " ($1);"); 52 qs = GNUNET_PQ_eval_prepared_singleton_select (pg->conn, 53 "call_exchange_drop_customization", 54 params, 55 rs); 56 if (qs < 0) 57 return qs; 58 if (found) 59 return GNUNET_DB_STATUS_SUCCESS_ONE_RESULT; 60 return GNUNET_DB_STATUS_SUCCESS_NO_RESULTS; 61 }