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13 Affero General Public License for more details.
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19 * @file pq/pq_prepare.c
20 * @brief functions to connect to libpq (PostGres)
21 * @author Christian Grothoff
24 #include "gnunet_util_lib.h"
25 #include "gnunet_pq_lib.h"
29 * Create a `struct GNUNET_PQ_PreparedStatement`.
31 * @param name name of the statement
32 * @param sql actual SQL statement
33 * @param num_args number of arguments in the statement
34 * @return initialized struct
36 struct GNUNET_PQ_PreparedStatement
37 GNUNET_PQ_make_prepare (const char *name,
39 unsigned int num_args)
41 struct GNUNET_PQ_PreparedStatement ps = {
44 .num_arguments = num_args
52 * Request creation of prepared statements @a ps from Postgres.
54 * @param connection connection to prepare the statements for
55 * @param ps #GNUNET_PQ_PREPARED_STATEMENT_END-terminated array of prepared
57 * @return #GNUNET_OK on success,
58 * #GNUNET_SYSERR on error
61 GNUNET_PQ_prepare_statements (PGconn *connection,
62 const struct GNUNET_PQ_PreparedStatement *ps)
64 for (unsigned int i=0;NULL != ps[i].name;i++)
68 GNUNET_log_from (GNUNET_ERROR_TYPE_DEBUG,
70 "Preparing SQL statement `%s' as `%s'\n",
73 ret = PQprepare (connection,
78 if (PGRES_COMMAND_OK != PQresultStatus (ret))
80 GNUNET_log_from (GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
82 _("PQprepare (`%s' as `%s') failed with error: %s\n"),
85 PQerrorMessage (connection));
95 /* end of pq/pq_prepare.c */