do_drain_kyc_alert.c (2130B)
1 /* 2 This file is part of TALER 3 Copyright (C) 2022, 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 /** 17 * @file exchangedb/do_drain_kyc_alert.c 18 * @brief Implementation of the do_drain_kyc_alert function for Postgres 19 * @author Christian Grothoff 20 */ 21 #include "taler/taler_pq_lib.h" 22 #include "exchange-database/do_drain_kyc_alert.h" 23 #include "helper.h" 24 25 26 enum GNUNET_DB_QueryStatus 27 TALER_EXCHANGEDB_do_drain_kyc_alert (struct TALER_EXCHANGEDB_PostgresContext *pg 28 , 29 uint32_t trigger_type, 30 struct TALER_NormalizedPaytoHashP *h_payto) 31 { 32 struct GNUNET_PQ_QueryParam params[] = { 33 GNUNET_PQ_query_param_uint32 (&trigger_type), 34 GNUNET_PQ_query_param_end 35 }; 36 struct GNUNET_PQ_ResultSpec rs[] = { 37 GNUNET_PQ_result_spec_auto_from_type ("h_payto", 38 h_payto), 39 GNUNET_PQ_result_spec_end 40 }; 41 42 PREPARE (pg, 43 "do_drain_kyc_alert", 44 "DELETE FROM kyc_alerts" 45 " WHERE trigger_type=$1" 46 " AND h_payto = " 47 " (SELECT h_payto " 48 " FROM kyc_alerts" 49 " WHERE trigger_type=$1" 50 " LIMIT 1)" 51 " RETURNING h_payto;"); 52 return GNUNET_PQ_eval_prepared_singleton_select (pg->conn, 53 "do_drain_kyc_alert", 54 params, 55 rs); 56 }