+} /* c_psql_exec_query_params */
+
+static PGresult *c_psql_exec_query_noparams (c_psql_database_t *db,
+ c_psql_query_t *query)
+{
+ return PQexec (db->conn, query->query);
+} /* c_psql_exec_query_noparams */
+
+static int c_psql_exec_query (c_psql_database_t *db, int idx)
+{
+ c_psql_query_t *query;
+ PGresult *res;
+
+ int rows, cols;
+ int i;
+
+ if (idx >= db->queries_num)
+ return -1;
+
+ query = db->queries[idx];
+
+ if (3 <= db->proto_version)
+ res = c_psql_exec_query_params (db, query);
+ else if (0 == query->params_num)
+ res = c_psql_exec_query_noparams (db, query);
+ else {
+ log_err ("Connection to database \"%s\" does not support parameters "
+ "(protocol version %d) - cannot execute query \"%s\".",
+ db->database, db->proto_version, query->name);
+ return -1;
+ }