select_aggregation_transient.c (2431B)
1 /* 2 This file is part of TALER 3 Copyright (C) 2022 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/select_aggregation_transient.c 18 * @brief Implementation of the select_aggregation_transient function for Postgres 19 * @author Christian Grothoff 20 */ 21 #include "taler/taler_error_codes.h" 22 #include "taler/taler_pq_lib.h" 23 #include "exchange-database/select_aggregation_transient.h" 24 #include "helper.h" 25 26 27 enum GNUNET_DB_QueryStatus 28 TALER_EXCHANGEDB_select_aggregation_transient ( 29 struct TALER_EXCHANGEDB_PostgresContext *pg, 30 const struct TALER_FullPaytoHashP *h_payto, 31 const struct TALER_MerchantPublicKeyP *merchant_pub, 32 const char *exchange_account_section, 33 struct TALER_WireTransferIdentifierRawP *wtid, 34 struct TALER_Amount *total) 35 { 36 struct GNUNET_PQ_QueryParam params[] = { 37 GNUNET_PQ_query_param_auto_from_type (h_payto), 38 GNUNET_PQ_query_param_auto_from_type (merchant_pub), 39 GNUNET_PQ_query_param_string (exchange_account_section), 40 GNUNET_PQ_query_param_end 41 }; 42 struct GNUNET_PQ_ResultSpec rs[] = { 43 TALER_PQ_RESULT_SPEC_AMOUNT ("amount", 44 total), 45 GNUNET_PQ_result_spec_auto_from_type ("wtid_raw", 46 wtid), 47 GNUNET_PQ_result_spec_end 48 }; 49 50 PREPARE (pg, 51 "select_aggregation_transient", 52 "SELECT" 53 " amount" 54 " ,wtid_raw" 55 " FROM aggregation_transient" 56 " WHERE wire_target_h_payto=$1" 57 " AND merchant_pub=$2" 58 " AND exchange_account_section=$3;"); 59 return GNUNET_PQ_eval_prepared_singleton_select (pg->conn, 60 "select_aggregation_transient", 61 params, 62 rs); 63 }