pg_delete_category.c (1912B)
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 backenddb/pg_delete_category.c 18 * @brief Implementation of the delete_category 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 "pg_delete_category.h" 26 #include "pg_helper.h" 27 28 29 enum GNUNET_DB_QueryStatus 30 TMH_PG_delete_category (void *cls, 31 const char *instance_id, 32 uint64_t category_id) 33 { 34 struct PostgresClosure *pg = cls; 35 struct GNUNET_PQ_QueryParam params[] = { 36 GNUNET_PQ_query_param_string (instance_id), 37 GNUNET_PQ_query_param_uint64 (&category_id), 38 GNUNET_PQ_query_param_end 39 }; 40 41 check_connection (pg); 42 PREPARE (pg, 43 "delete_category", 44 "DELETE" 45 " FROM merchant_categories" 46 " WHERE merchant_serial=" 47 " (SELECT merchant_serial " 48 " FROM merchant_instances" 49 " WHERE merchant_id=$1)" 50 " AND category_serial=$2"); 51 return GNUNET_PQ_eval_prepared_non_select (pg->conn, 52 "delete_category", 53 params); 54 }