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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_gc.c
* @brief Implementation of the gc 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_gc.h"
#include "pg_helper.h"
enum GNUNET_GenericReturnValue
TEH_PG_gc (void *cls)
{
struct PostgresClosure *pg = cls;
struct GNUNET_TIME_Absolute now = GNUNET_TIME_absolute_get ();
struct GNUNET_TIME_Absolute long_ago;
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_absolute_time (&long_ago),
GNUNET_PQ_query_param_absolute_time (&now),
GNUNET_PQ_query_param_end
};
struct GNUNET_PQ_Context *conn;
enum GNUNET_GenericReturnValue ret;
/* Keep wire fees for 10 years, that should always
be enough _and_ they are tiny so it does not
matter to make this tight */
long_ago = GNUNET_TIME_absolute_subtract (
now,
GNUNET_TIME_relative_multiply (
GNUNET_TIME_UNIT_YEARS,
10));
{
struct GNUNET_PQ_ExecuteStatement es[] = {
GNUNET_PQ_make_try_execute ("SET search_path TO exchange;"),
GNUNET_PQ_EXECUTE_STATEMENT_END
};
struct GNUNET_PQ_PreparedStatement ps[] = {
/* Used in #postgres_gc() */
GNUNET_PQ_make_prepare ("run_gc",
"CALL"
" exchange_do_gc"
" ($1,$2);"),
GNUNET_PQ_PREPARED_STATEMENT_END
};
conn = GNUNET_PQ_connect_with_cfg (pg->cfg,
"exchangedb-postgres",
NULL,
es,
ps);
}
if (NULL == conn)
return GNUNET_SYSERR;
ret = GNUNET_OK;
if (0 > GNUNET_PQ_eval_prepared_non_select (conn,
"run_gc",
params))
ret = GNUNET_SYSERR;
GNUNET_PQ_disconnect (conn);
return ret;
}
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