select_donau_instance_by_serial.c (2005B)
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 /** 17 * @file src/backenddb/select_donau_instance_by_serial.c 18 * @brief Implementation of the select_donau_instance function for Postgres 19 * @author Bohdan Potuzhnyi 20 * @author Vlada Svirsh 21 */ 22 #include "platform.h" 23 #include <taler/taler_pq_lib.h> 24 #include "merchant-database/select_donau_instance_by_serial.h" 25 #include "helper.h" 26 27 28 enum GNUNET_DB_QueryStatus 29 TALER_MERCHANTDB_select_donau_instance_by_serial ( 30 struct TALER_MERCHANTDB_PostgresContext *pg, 31 uint64_t serial, 32 char **donau_url, 33 uint64_t *charity_id) 34 { 35 struct GNUNET_PQ_QueryParam params[] = { 36 GNUNET_PQ_query_param_uint64 (&serial), 37 GNUNET_PQ_query_param_end 38 }; 39 struct GNUNET_PQ_ResultSpec rs[] = { 40 GNUNET_PQ_result_spec_string ("donau_url", 41 donau_url), 42 GNUNET_PQ_result_spec_uint64 ("charity_id", 43 charity_id), 44 GNUNET_PQ_result_spec_end 45 }; 46 47 GNUNET_assert (NULL != pg->current_merchant_id); 48 check_connection (pg); 49 TMH_PQ_prepare_anon (pg, 50 "SELECT donau_url" 51 " ,charity_id" 52 " FROM merchant_donau_instances" 53 " WHERE donau_instances_serial = $1"); 54 55 return GNUNET_PQ_eval_prepared_singleton_select ( 56 pg->conn, 57 "", 58 params, 59 rs); 60 }