From 6991ca011b4f97d24066f82ccd09adde8a692f6a Mon Sep 17 00:00:00 2001 From: Joseph Date: Mon, 14 Nov 2022 07:35:56 -0500 Subject: remove more functions --- src/exchangedb/pg_start_deferred_wire_out.c | 59 +++++++++++++++++++++++++++++ 1 file changed, 59 insertions(+) create mode 100644 src/exchangedb/pg_start_deferred_wire_out.c (limited to 'src/exchangedb/pg_start_deferred_wire_out.c') diff --git a/src/exchangedb/pg_start_deferred_wire_out.c b/src/exchangedb/pg_start_deferred_wire_out.c new file mode 100644 index 000000000..abdc16028 --- /dev/null +++ b/src/exchangedb/pg_start_deferred_wire_out.c @@ -0,0 +1,59 @@ +/* + 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 + */ +/** + * @file exchangedb/pg_start_deferred_wire_out.c + * @brief Implementation of the start_deferred_wire_out 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_start_deferred_wire_out.h" +#include "pg_helper.h" +#include "pg_preflight.h" +#include "pg_rollback.h" + +enum GNUNET_GenericReturnValue +TEH_PG_start_deferred_wire_out (void *cls) +{ + struct PostgresClosure *pg = cls; + struct GNUNET_PQ_ExecuteStatement es[] = { + GNUNET_PQ_make_execute ( + "START TRANSACTION ISOLATION LEVEL READ COMMITTED;"), + GNUNET_PQ_make_execute ("SET CONSTRAINTS ALL DEFERRED;"), + GNUNET_PQ_EXECUTE_STATEMENT_END + }; + + if (GNUNET_SYSERR == + TEH_PG_preflight (pg)) + return GNUNET_SYSERR; + if (GNUNET_OK != + GNUNET_PQ_exec_statements (pg->conn, + es)) + { + TALER_LOG_ERROR ( + "Failed to defer wire_out_ref constraint on transaction\n"); + GNUNET_break (0); + TEH_PG_rollback (pg); + return GNUNET_SYSERR; + } + pg->transaction_name = "deferred wire out"; + GNUNET_log (GNUNET_ERROR_TYPE_INFO, + "Starting READ COMMITTED DEFERRED transaction `%s'\n", + pg->transaction_name); + return GNUNET_OK; +} -- cgit v1.2.3