From 6991ca011b4f97d24066f82ccd09adde8a692f6a Mon Sep 17 00:00:00 2001
From: Joseph <Joseph.xu@efrei.net>
Date: Mon, 14 Nov 2022 07:35:56 -0500
Subject: remove more functions

---
 src/exchangedb/pg_lookup_auditor_timestamp.c | 57 ++++++++++++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100644 src/exchangedb/pg_lookup_auditor_timestamp.c

(limited to 'src/exchangedb/pg_lookup_auditor_timestamp.c')

diff --git a/src/exchangedb/pg_lookup_auditor_timestamp.c b/src/exchangedb/pg_lookup_auditor_timestamp.c
new file mode 100644
index 000000000..3a4bd6bed
--- /dev/null
+++ b/src/exchangedb/pg_lookup_auditor_timestamp.c
@@ -0,0 +1,57 @@
+/*
+   This file is part of TALER
+   Copyright (C) 2022 Taler Systems SA
+
+   TALER is free software; you can redistribute it and/or modify it under the
+   terms of the GNU General Public License as published by the Free Software
+   Foundation; either version 3, or (at your option) any later version.
+
+   TALER is distributed in the hope that it will be useful, but WITHOUT ANY
+   WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+   A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License along with
+   TALER; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+/**
+ * @file exchangedb/pg_lookup_auditor_timestamp.c
+ * @brief Implementation of the lookup_auditor_timestamp function for Postgres
+ * @author Christian Grothoff
+ */
+#include "platform.h"
+#include "taler_error_codes.h"
+#include "taler_dbevents.h"
+#include "taler_pq_lib.h"
+#include "pg_lookup_auditor_timestamp.h"
+#include "pg_helper.h"
+
+
+enum GNUNET_DB_QueryStatus
+TEH_PG_lookup_auditor_timestamp (
+  void *cls,
+  const struct TALER_AuditorPublicKeyP *auditor_pub,
+  struct GNUNET_TIME_Timestamp *last_date)
+{
+  struct PostgresClosure *pg = cls;
+  struct GNUNET_PQ_QueryParam params[] = {
+    GNUNET_PQ_query_param_auto_from_type (auditor_pub),
+    GNUNET_PQ_query_param_end
+  };
+  struct GNUNET_PQ_ResultSpec rs[] = {
+    GNUNET_PQ_result_spec_timestamp ("last_change",
+                                     last_date),
+    GNUNET_PQ_result_spec_end
+  };
+
+      /* Used in #postgres_lookup_auditor_timestamp() */
+  PREPARE (pg,
+           "lookup_auditor_timestamp",
+           "SELECT"
+           " last_change"
+           " FROM auditors"
+           " WHERE auditor_pub=$1;");
+  return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
+                                                   "lookup_auditor_timestamp",
+                                                   params,
+                                                   rs);
+}
-- 
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