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Diffstat (limited to 'src/exchangedb/pg_lookup_wire_timestamp.c')
-rw-r--r-- | src/exchangedb/pg_lookup_wire_timestamp.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/src/exchangedb/pg_lookup_wire_timestamp.c b/src/exchangedb/pg_lookup_wire_timestamp.c new file mode 100644 index 000000000..19e915d48 --- /dev/null +++ b/src/exchangedb/pg_lookup_wire_timestamp.c @@ -0,0 +1,56 @@ +/* + 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_wire_timestamp.c + * @brief Implementation of the lookup_wire_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_wire_timestamp.h" +#include "pg_helper.h" + + +enum GNUNET_DB_QueryStatus +TEH_PG_lookup_wire_timestamp (void *cls, + const char *payto_uri, + struct GNUNET_TIME_Timestamp *last_date) +{ + struct PostgresClosure *pg = cls; + struct GNUNET_PQ_QueryParam params[] = { + GNUNET_PQ_query_param_string (payto_uri), + GNUNET_PQ_query_param_end + }; + struct GNUNET_PQ_ResultSpec rs[] = { + GNUNET_PQ_result_spec_timestamp ("last_change", + last_date), + GNUNET_PQ_result_spec_end + }; + + + PREPARE (pg, + "lookup_wire_timestamp", + "SELECT" + " last_change" + " FROM wire_accounts" + " WHERE payto_uri=$1;"); + return GNUNET_PQ_eval_prepared_singleton_select (pg->conn, + "lookup_wire_timestamp", + params, + rs); +} |