2 This file is part of GNUnet
3 Copyright (C) 2017, 2019 GNUnet e.V.
5 GNUnet is free software: you can redistribute it and/or modify it
6 under the terms of the GNU Affero General Public License as published
7 by the Free Software Foundation, either version 3 of the License,
8 or (at your option) any later version.
10 GNUnet is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Affero General Public License for more details.
15 You should have received a copy of the GNU Affero General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>.
18 SPDX-License-Identifier: AGPL3.0-or-later
22 * @brief functions to execute plain SQL statements (PostGres)
23 * @author Christian Grothoff
30 * Create a `struct GNUNET_PQ_ExecuteStatement` where errors are fatal.
32 * @param sql actual SQL statement
33 * @return initialized struct
35 struct GNUNET_PQ_ExecuteStatement
36 GNUNET_PQ_make_execute (const char *sql)
38 struct GNUNET_PQ_ExecuteStatement es = {
40 .ignore_errors = GNUNET_NO
48 * Create a `struct GNUNET_PQ_ExecuteStatement` where errors should
51 * @param sql actual SQL statement
52 * @return initialized struct
54 struct GNUNET_PQ_ExecuteStatement
55 GNUNET_PQ_make_try_execute (const char *sql)
57 struct GNUNET_PQ_ExecuteStatement es = {
59 .ignore_errors = GNUNET_YES
67 * Request execution of an array of statements @a es from Postgres.
69 * @param db database to execute the statements with
70 * @param es #GNUNET_PQ_PREPARED_STATEMENT_END-terminated array of prepared
72 * @return #GNUNET_OK on success (modulo statements where errors can be ignored)
73 * #GNUNET_SYSERR on error
76 GNUNET_PQ_exec_statements (struct GNUNET_PQ_Context *db,
77 const struct GNUNET_PQ_ExecuteStatement *es)
79 for (unsigned int i = 0; NULL != es[i].sql; i++)
83 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
84 "Running statement `%s' on %p\n",
87 result = PQexec (db->conn,
89 if ((GNUNET_NO == es[i].ignore_errors) &&
90 (PGRES_COMMAND_OK != PQresultStatus (result)))
92 GNUNET_log_from (GNUNET_ERROR_TYPE_ERROR,
94 "Failed to execute `%s': %s/%s/%s/%s/%s",
96 PQresultErrorField (result,
97 PG_DIAG_MESSAGE_PRIMARY),
98 PQresultErrorField (result,
99 PG_DIAG_MESSAGE_DETAIL),
100 PQresultErrorMessage (result),
101 PQresStatus (PQresultStatus (result)),
102 PQerrorMessage (db->conn));
104 return GNUNET_SYSERR;
112 /* end of pq/pq_exec.c */