insert_product_group.c (2509B)
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 src/backenddb/insert_product_group.c 18 * @brief Implementation of the insert_product_group function for Postgres 19 * @author Christian Grothoff 20 */ 21 #include "platform.h" 22 #include <taler/taler_error_codes.h> 23 #include <taler/taler_dbevents.h> 24 #include <taler/taler_pq_lib.h> 25 #include "merchant-database/insert_product_group.h" 26 #include "helper.h" 27 28 29 enum GNUNET_DB_QueryStatus 30 TALER_MERCHANTDB_insert_product_group (struct TALER_MERCHANTDB_PostgresContext *pg, 31 const char *instance_id, 32 const char *name, 33 const char *description, 34 uint64_t *product_group_id) 35 { 36 struct GNUNET_PQ_QueryParam params[] = { 37 GNUNET_PQ_query_param_string (instance_id), 38 GNUNET_PQ_query_param_string (name), 39 GNUNET_PQ_query_param_string (description), 40 GNUNET_PQ_query_param_end 41 }; 42 struct GNUNET_PQ_ResultSpec rs[] = { 43 GNUNET_PQ_result_spec_uint64 ("product_group_serial", 44 product_group_id), 45 GNUNET_PQ_result_spec_end 46 }; 47 48 check_connection (pg); 49 PREPARE (pg, 50 "insert_product_group", 51 "INSERT INTO merchant_product_groups" 52 "(merchant_serial" 53 ",product_group_name" 54 ",product_group_description)" 55 " SELECT merchant_serial, $2, $3" 56 " FROM merchant_instances" 57 " WHERE merchant_id=$1" 58 " ON CONFLICT DO NOTHING" 59 " RETURNING product_group_serial"); 60 61 return GNUNET_PQ_eval_prepared_singleton_select (pg->conn, 62 "insert_product_group", 63 params, 64 rs); 65 }