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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 "platform.h" 22 : #include "taler_error_codes.h" 23 : #include "taler_dbevents.h" 24 : #include "taler_pq_lib.h" 25 : #include "pg_disable_rules.h" 26 : #include "pg_helper.h" 27 : 28 : 29 : enum GNUNET_DB_QueryStatus 30 0 : TEH_PG_disable_rules ( 31 : void *cls, 32 : const char *schema) 33 : { 34 0 : struct PostgresClosure *pg = cls; 35 0 : struct GNUNET_PQ_QueryParam params[] = { 36 0 : GNUNET_PQ_query_param_string (schema), 37 : GNUNET_PQ_query_param_end 38 : }; 39 : bool found; 40 0 : struct GNUNET_PQ_ResultSpec rs[] = { 41 0 : GNUNET_PQ_result_spec_bool ("out_found", 42 : &found), 43 : GNUNET_PQ_result_spec_end 44 : }; 45 : enum GNUNET_DB_QueryStatus qs; 46 : 47 0 : PREPARE (pg, 48 : "call_exchange_drop_customization", 49 : "SELECT out_found" 50 : " FROM exchange_drop_customization" 51 : " ($1);"); 52 0 : qs = GNUNET_PQ_eval_prepared_singleton_select (pg->conn, 53 : "call_exchange_drop_customization", 54 : params, 55 : rs); 56 0 : if (qs < 0) 57 0 : return qs; 58 0 : if (found) 59 0 : return GNUNET_DB_STATUS_SUCCESS_ONE_RESULT; 60 0 : return GNUNET_DB_STATUS_SUCCESS_NO_RESULTS; 61 : }