1 (* Copyright (C) 2000, 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/.
26 (* AUTOR: Ferruccio Guidi <fguidi@cs.unibo.it>
29 type flag = Galax | Postgres | Queries | Result | Source | Times | Warn
31 val string_of_flags : flag list -> string
32 val flags_of_string : string -> flag list
36 val init : ?flags:(flag list) -> ?log:(string -> unit) -> unit -> handle
37 val close : handle -> unit
38 val connected : handle -> bool
39 val exec : handle -> (MQITypes.query -> unit) ->
40 MQITypes.table -> MQITypes.columns ->
41 string MQITypes.con_true -> string MQITypes.con_false ->
44 val init_if_connected : ?flags:(flag list) -> ?log:(string -> unit) -> unit -> handle
46 (* The following functions allow to read the handle internal fields.
47 * For exclusive use of the interpreter.
50 val log : handle -> string -> unit
51 val set : handle -> flag -> bool
52 val flags : handle -> flag list
53 val tables : handle -> MathQL.path -> MQIMap.pg_tables
54 val field : handle -> MathQL.path -> string -> string
55 val resolve : handle -> string -> string