select_unit.h (1636B)
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/include/merchant-database/select_unit.h 18 * @brief implementation of the select_unit function for Postgres 19 * @author Bohdan Potuzhnyi 20 */ 21 #ifndef MERCHANT_DATABASE_SELECT_UNIT_H 22 #define MERCHANT_DATABASE_SELECT_UNIT_H 23 24 #include <taler/taler_util.h> 25 #include <taler/taler_json_lib.h> 26 #include "merchantdb_lib.h" 27 28 29 struct TALER_MERCHANTDB_PostgresContext; 30 /** 31 * Lookup a measurement unit by identifier. 32 * 33 * @param pg database context 34 * @param instance_id instance owning the unit 35 * @param unit_id symbolic identifier 36 * @param[out] ud unit details on success; may be NULL to test for existence 37 * @return database result code 38 */ 39 enum GNUNET_DB_QueryStatus 40 TALER_MERCHANTDB_select_unit (struct TALER_MERCHANTDB_PostgresContext *pg, 41 const char *instance_id, 42 const char *unit_id, 43 struct TALER_MERCHANTDB_UnitDetails *ud); 44 45 #endif