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/*
This file is part of TALER
Copyright (C) 2023 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 auditordb/pg_update_balance.c
* @brief Implementation of the update_balance 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_update_balance.h"
#include "pg_helper.h"
enum GNUNET_DB_QueryStatus
TAH_PG_update_balance (
void *cls,
const char *balance_key,
const struct TALER_Amount *balance_amount,
...)
{
struct PostgresClosure *pg = cls;
unsigned int cnt = 1;
va_list ap;
va_start (ap,
balance_amount);
while (NULL != va_arg (ap,
const char *))
{
cnt++;
(void) va_arg (ap,
const struct TALER_Amount *);
}
va_end (ap);
{
const char *keys[cnt];
struct TALER_Amount amounts[cnt];
unsigned int off = 1;
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_array_ptrs_string (cnt,
keys,
pg->conn),
TALER_PQ_query_param_array_amount (cnt,
amounts,
pg->conn),
GNUNET_PQ_query_param_end
};
enum GNUNET_DB_QueryStatus qs;
keys[0] = balance_key;
amounts[0] = *balance_amount;
va_start (ap,
balance_amount);
while (off < cnt)
{
keys[off] = va_arg (ap,
const char *);
amounts[off] = *va_arg (ap,
const struct TALER_Amount *);
off++;
}
GNUNET_assert (NULL == va_arg (ap,
const char *));
va_end (ap);
PREPARE (pg,
"auditor_balance_update",
"UPDATE auditor_balances"
" SET balance_value.val=data.val"
" ,balance_value.frac=data.frac"
" FROM ("
" SELECT *"
" FROM UNNEST (CAST($1 AS TEXT[]),"
" CAST($2 AS taler_amount[]))"
" AS t(key,val,frac)"
" ) AS data"
" WHERE auditor_balances.balance_key=data.key;");
qs = GNUNET_PQ_eval_prepared_non_select (pg->conn,
"auditor_balance_update",
params);
GNUNET_PQ_cleanup_query_params_closures (params);
return qs;
}
}
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