1 (* Copyright (C) 2005, HELM Team.
3 * This file is part of HELM, an Hypertextual, Electronic
4 * Library of Mathematics, developed at the Computer Science
5 * Department, University of Bologna, Italy.
7 * HELM is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version 2
10 * of the License, or (at your option) any later version.
12 * HELM is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with HELM; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
22 * For details, see the HELM World-Wide-Web page,
23 * http://cs.unibo.it/helm/.
28 type dbd = Mysql.dbd option
29 type result = Mysql.result option
37 | GENERIC_ERROR of string
40 let profiler = HExtlib.profile "mysql"
43 not (Helm_registry.get_opt_default Helm_registry.bool
44 ~default:false "db.nodb")
46 let quick_connect ?host ?database ?port ?password ?user () =
47 profiler.HExtlib.profile
49 if use_real_db () then
50 (Some (Mysql.quick_connect ?host ?database ?port ?password ?user ()))
55 let disconnect = function
57 | Some dbd -> profiler.HExtlib.profile Mysql.disconnect dbd
60 profiler.HExtlib.profile Mysql.escape s
67 Some (profiler.HExtlib.profile (Mysql.exec dbd) s)
68 with Mysql.Error _ -> raise Error
74 let map f = Mysql.map res ~f in
75 profiler.HExtlib.profile map f
81 let iter f = Mysql.iter res ~f in
82 profiler.HExtlib.profile iter f
85 | None -> GENERIC_ERROR "Mysql.Connection_error"
87 match Mysql.errno dbd with
88 | Mysql.No_such_table -> No_such_table
89 | Mysql.Table_exists_error -> Table_exists_error
90 | Mysql.Dup_keyname -> Dup_keyname
91 | Mysql.No_such_table -> No_such_table
92 | Mysql.No_such_index -> No_such_index
93 | Mysql.Bad_table_error -> Bad_table_error
94 | _ -> GENERIC_ERROR "Mysql_generic_error"