diff options
Diffstat (limited to 'src/exchangedb/pg_select_aggregation_transient.c')
-rw-r--r-- | src/exchangedb/pg_select_aggregation_transient.c | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/src/exchangedb/pg_select_aggregation_transient.c b/src/exchangedb/pg_select_aggregation_transient.c new file mode 100644 index 000000000..f3e39c532 --- /dev/null +++ b/src/exchangedb/pg_select_aggregation_transient.c @@ -0,0 +1,67 @@ +/* + 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_val" + " ,amount_frac" + " ,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); +} |