pg_select_unit.h (1474B)
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 backenddb/pg_select_unit.h 18 * @brief implementation of the select_unit function for Postgres 19 * @author Bohdan Potuzhnyi 20 */ 21 #ifndef PG_SELECT_UNIT_H 22 #define PG_SELECT_UNIT_H 23 24 #include <taler/taler_util.h> 25 #include <taler/taler_json_lib.h> 26 #include "taler_merchantdb_plugin.h" 27 28 /** 29 * Lookup a measurement unit by identifier. 30 * 31 * @param cls closure 32 * @param instance_id instance owning the unit 33 * @param unit_id symbolic identifier 34 * @param[out] ud unit details on success; may be NULL to test for existence 35 * @return database result code 36 */ 37 enum GNUNET_DB_QueryStatus 38 TMH_PG_select_unit (void *cls, 39 const char *instance_id, 40 const char *unit_id, 41 struct TALER_MERCHANTDB_UnitDetails *ud); 42 43 #endif