Line data Source code
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/lookup_auditor_timestamp.c
18 : * @brief Implementation of the lookup_auditor_timestamp function for Postgres
19 : * @author Christian Grothoff
20 : */
21 : #include "taler/taler_pq_lib.h"
22 : #include "exchange-database/lookup_auditor_timestamp.h"
23 : #include "helper.h"
24 :
25 :
26 : enum GNUNET_DB_QueryStatus
27 14 : TALER_EXCHANGEDB_lookup_auditor_timestamp (
28 : struct TALER_EXCHANGEDB_PostgresContext *pg,
29 : const struct TALER_AuditorPublicKeyP *auditor_pub,
30 : struct GNUNET_TIME_Timestamp *last_date)
31 : {
32 14 : struct GNUNET_PQ_QueryParam params[] = {
33 14 : GNUNET_PQ_query_param_auto_from_type (auditor_pub),
34 : GNUNET_PQ_query_param_end
35 : };
36 14 : struct GNUNET_PQ_ResultSpec rs[] = {
37 14 : GNUNET_PQ_result_spec_timestamp ("last_change",
38 : last_date),
39 : GNUNET_PQ_result_spec_end
40 : };
41 :
42 : /* Used in #postgres_lookup_auditor_timestamp() */
43 14 : PREPARE (pg,
44 : "lookup_auditor_timestamp",
45 : "SELECT"
46 : " last_change"
47 : " FROM auditors"
48 : " WHERE auditor_pub=$1;");
49 14 : return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
50 : "lookup_auditor_timestamp",
51 : params,
52 : rs);
53 : }
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