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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_prefligth.h
* @brief implementation of the prefligth function for Postgres
* @author Christian Grothoff
*/
#ifndef PG_PREFLIGHT_H
#define PG_PREFLIGHT_H
#include "taler_util.h"
#include "taler_json_lib.h"
#include "taler_exchangedb_plugin.h"
/**
* Do a pre-flight check that we are not in an uncommitted transaction.
* If we are, try to commit the previous transaction and output a warning.
* Does not return anything, as we will continue regardless of the outcome.
*
* @param cls the `struct PostgresClosure` with the plugin-specific state
* @return #GNUNET_OK if everything is fine
* #GNUNET_NO if a transaction was rolled back
* #GNUNET_SYSERR on hard errors
*/
enum GNUNET_GenericReturnValue
TEH_PG_preflight (void *cls);
#endif
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