2 This file is part of GNUnet
3 Copyright (C) 2017 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.
17 * @brief functions to execute plain SQL statements (PostGres)
18 * @author Christian Grothoff
21 #include "gnunet_util_lib.h"
22 #include "gnunet_pq_lib.h"
26 * Create a `struct GNUNET_PQ_ExecuteStatement` where errors are fatal.
28 * @param sql actual SQL statement
29 * @return initialized struct
31 struct GNUNET_PQ_ExecuteStatement
32 GNUNET_PQ_make_execute (const char *sql)
34 struct GNUNET_PQ_ExecuteStatement es = {
36 .ignore_errors = GNUNET_NO
44 * Create a `struct GNUNET_PQ_ExecuteStatement` where errors should
47 * @param sql actual SQL statement
48 * @return initialized struct
50 struct GNUNET_PQ_ExecuteStatement
51 GNUNET_PQ_make_try_execute (const char *sql)
53 struct GNUNET_PQ_ExecuteStatement es = {
55 .ignore_errors = GNUNET_YES
63 * Request execution of an array of statements @a es from Postgres.
65 * @param connection connection to execute the statements over
66 * @param es #GNUNET_PQ_PREPARED_STATEMENT_END-terminated array of prepared
68 * @return #GNUNET_OK on success (modulo statements where errors can be ignored)
69 * #GNUNET_SYSERR on error
72 GNUNET_PQ_exec_statements (PGconn *connection,
73 const struct GNUNET_PQ_ExecuteStatement *es)
75 for (unsigned int i=0; NULL != es[i].sql; i++)
79 result = PQexec (connection,
81 if ( (GNUNET_NO == es[i].ignore_errors) &&
82 (PGRES_COMMAND_OK != PQresultStatus (result)) )
84 GNUNET_log_from (GNUNET_ERROR_TYPE_ERROR,
86 "Failed to execute `%s': %s/%s/%s/%s/%s",
88 PQresultErrorField (result,
89 PG_DIAG_MESSAGE_PRIMARY),
90 PQresultErrorField (result,
91 PG_DIAG_MESSAGE_DETAIL),
92 PQresultErrorMessage (result),
93 PQresStatus (PQresultStatus (result)),
94 PQerrorMessage (connection));
104 /* end of pq/pq_exec.c */