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Diffstat (limited to 'src/backenddb/pg_purge_instance.c')
-rw-r--r-- | src/backenddb/pg_purge_instance.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/src/backenddb/pg_purge_instance.c b/src/backenddb/pg_purge_instance.c new file mode 100644 index 00000000..74ca5613 --- /dev/null +++ b/src/backenddb/pg_purge_instance.c @@ -0,0 +1,54 @@ +/* + 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 backenddb/pg_purge_instance.c + * @brief Implementation of the purge_instance function for Postgres + * @author Iván Ávalos + */ +#include "platform.h" +#include <taler/taler_error_codes.h> +#include <taler/taler_dbevents.h> +#include <taler/taler_pq_lib.h> +#include "pg_purge_instance.h" +#include "pg_helper.h" + +/** + * Purge an instance and all associated information from our database. + * Highly likely to cause undesired data loss. Use with caution. + * + * @param cls closure + * @param merchant_id identifier of the instance + * @return database result code + */ +enum GNUNET_DB_QueryStatus +TMH_PG_purge_instance (void *cls, + const char *merchant_id) +{ + struct PostgresClosure *pg = cls; + struct GNUNET_PQ_QueryParam params[] = { + GNUNET_PQ_query_param_string (merchant_id), + GNUNET_PQ_query_param_end + }; + + check_connection (pg); + PREPARE (pg, + "purge_instance", + "DELETE FROM merchant_instances" + " WHERE merchant_instances.merchant_id = $1"); + return GNUNET_PQ_eval_prepared_non_select (pg->conn, + "purge_instance", + params); +} |