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-rw-r--r--src/exchangedb/pg_select_aggregation_transient.c66
1 files changed, 66 insertions, 0 deletions
diff --git a/src/exchangedb/pg_select_aggregation_transient.c b/src/exchangedb/pg_select_aggregation_transient.c
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+/*
+ 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_select_aggregation_transient.c
+ * @brief Implementation of the select_aggregation_transient 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_select_aggregation_transient.h"
+#include "pg_helper.h"
+
+
+enum GNUNET_DB_QueryStatus
+TEH_PG_select_aggregation_transient (
+ void *cls,
+ const struct TALER_PaytoHashP *h_payto,
+ const struct TALER_MerchantPublicKeyP *merchant_pub,
+ const char *exchange_account_section,
+ struct TALER_WireTransferIdentifierRawP *wtid,
+ struct TALER_Amount *total)
+{
+ struct PostgresClosure *pg = cls;
+ struct GNUNET_PQ_QueryParam params[] = {
+ GNUNET_PQ_query_param_auto_from_type (h_payto),
+ GNUNET_PQ_query_param_auto_from_type (merchant_pub),
+ GNUNET_PQ_query_param_string (exchange_account_section),
+ GNUNET_PQ_query_param_end
+ };
+ struct GNUNET_PQ_ResultSpec rs[] = {
+ TALER_PQ_RESULT_SPEC_AMOUNT ("amount",
+ total),
+ GNUNET_PQ_result_spec_auto_from_type ("wtid_raw",
+ wtid),
+ GNUNET_PQ_result_spec_end
+ };
+ /* Used in #postgres_select_aggregation_transient() */
+ PREPARE (pg,
+ "select_aggregation_transient",
+ "SELECT"
+ " amount"
+ " ,wtid_raw"
+ " FROM aggregation_transient"
+ " WHERE wire_target_h_payto=$1"
+ " AND merchant_pub=$2"
+ " AND exchange_account_section=$3;");
+ return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
+ "select_aggregation_transient",
+ params,
+ rs);
+}