delete_unit.c (2456B)
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 <http://www.gnu.org/licenses/> 15 */ 16 /** 17 * @file src/backenddb/delete_unit.c 18 * @brief Implementation of the delete_unit function for Postgres 19 * @author Bohdan Potuzhnyi 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/delete_unit.h" 26 #include "helper.h" 27 28 29 enum GNUNET_DB_QueryStatus 30 TALER_MERCHANTDB_delete_unit (struct TALER_MERCHANTDB_PostgresContext *pg, 31 const char *instance_id, 32 const char *unit_id, 33 bool *no_instance, 34 bool *no_unit, 35 bool *builtin_conflict) 36 { 37 struct GNUNET_PQ_QueryParam params[] = { 38 GNUNET_PQ_query_param_string (instance_id), 39 GNUNET_PQ_query_param_string (unit_id), 40 GNUNET_PQ_query_param_end 41 }; 42 struct GNUNET_PQ_ResultSpec rs[] = { 43 GNUNET_PQ_result_spec_bool ("out_no_instance", 44 no_instance), 45 GNUNET_PQ_result_spec_bool ("out_no_unit", 46 no_unit), 47 GNUNET_PQ_result_spec_bool ("out_builtin_conflict", 48 builtin_conflict), 49 GNUNET_PQ_result_spec_end 50 }; 51 enum GNUNET_DB_QueryStatus qs; 52 53 check_connection (pg); 54 PREPARE (pg, 55 "delete_unit", 56 "SELECT" 57 " out_no_instance" 58 " ,out_no_unit" 59 " ,out_builtin_conflict" 60 " FROM merchant_do_delete_unit($1,$2);"); 61 qs = GNUNET_PQ_eval_prepared_singleton_select (pg->conn, 62 "delete_unit", 63 params, 64 rs); 65 GNUNET_PQ_cleanup_query_params_closures (params); 66 return qs; 67 }