pg_expire_purse.c (2263B)
1 /* 2 This file is part of TALER 3 Copyright (C) 2022 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 exchangedb/pg_expire_purse.c 18 * @brief Implementation of the expire_purse function for Postgres 19 * @author Christian Grothoff 20 */ 21 #include "taler/taler_pq_lib.h" 22 #include "taler/exchange-database/expire_purse.h" 23 #include "helper.h" 24 25 26 enum GNUNET_DB_QueryStatus 27 TALER_EXCHANGEDB_expire_purse ( 28 struct TALER_EXCHANGEDB_PostgresContext *pg, 29 struct GNUNET_TIME_Absolute start_time, 30 struct GNUNET_TIME_Absolute end_time) 31 { 32 struct GNUNET_TIME_Absolute now = GNUNET_TIME_absolute_get (); 33 struct GNUNET_PQ_QueryParam params[] = { 34 GNUNET_PQ_query_param_absolute_time (&start_time), 35 GNUNET_PQ_query_param_absolute_time (&end_time), 36 GNUNET_PQ_query_param_absolute_time (&now), 37 GNUNET_PQ_query_param_end 38 }; 39 bool found = false; 40 struct GNUNET_PQ_ResultSpec rs[] = { 41 GNUNET_PQ_result_spec_bool ("found", 42 &found), 43 GNUNET_PQ_result_spec_end 44 }; 45 enum GNUNET_DB_QueryStatus qs; 46 47 48 PREPARE (pg, 49 "call_expire_purse", 50 "SELECT " 51 " out_found AS found" 52 " FROM exchange_do_expire_purse" 53 " ($1,$2,$3);"); 54 55 qs = GNUNET_PQ_eval_prepared_singleton_select (pg->conn, 56 "call_expire_purse", 57 params, 58 rs); 59 if (qs < 0) 60 return qs; 61 GNUNET_assert (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT == qs); 62 return found 63 ? GNUNET_DB_STATUS_SUCCESS_ONE_RESULT 64 : GNUNET_DB_STATUS_SUCCESS_NO_RESULTS; 65 }