X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=helm%2Focaml%2Fmathql_interpreter%2FmQIConn.mli;fp=helm%2Focaml%2Fmathql_interpreter%2FmQIConn.mli;h=35c8b3ef002087b54a86de8c5ddfbaa99261cfde;hp=0000000000000000000000000000000000000000;hb=792b5d29ebae8f917043d9dd226692919b5d6ca1;hpb=a14a8c7637fd0b95e9d4deccb20c6abc98e8f953

diff --git a/helm/ocaml/mathql_interpreter/mQIConn.mli b/helm/ocaml/mathql_interpreter/mQIConn.mli
new file mode 100644
index 000000000..35c8b3ef0
--- /dev/null
+++ b/helm/ocaml/mathql_interpreter/mQIConn.mli
@@ -0,0 +1,65 @@
+(* Copyright (C) 2000, HELM Team.
+ * 
+ * This file is part of HELM, an Hypertextual, Electronic
+ * Library of Mathematics, developed at the Computer Science
+ * Department, University of Bologna, Italy.
+ * 
+ * HELM is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ * 
+ * HELM is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with HELM; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ * MA  02111-1307, USA.
+ * 
+ * For details, see the HELM World-Wide-Web page,
+ * http://cs.unibo.it/helm/.
+ *)
+
+(*  AUTOR: Ferruccio Guidi <fguidi@cs.unibo.it>
+ *)
+
+type connection = MySQL_C    of HMysql.dbd
+                | Postgres_C of Postgres.connection
+		| No_C
+                  
+type flag = Galax | Postgres | Queries | Result | Source | Times | Warn
+
+type handle = {
+   log : string -> unit; (* logging function        *)
+   set : flag list;      (* options                 *)
+   pgc : connection;     (* PG connection           *)
+   pgm : MQIMap.pg_map;  (* PG conversion function  *)
+   pga : MQIMap.pg_alias (* PG table aliases        *)
+}
+
+val string_of_flags : flag list -> string
+val flags_of_string : string -> flag list
+
+val init      : ?flags:(flag list) -> ?log:(string -> unit) -> unit -> handle
+val close     : handle -> unit
+val connected : handle -> bool
+val exec      : handle -> (MQITypes.query -> unit) ->  
+                MQITypes.table -> MQITypes.columns ->
+                string MQITypes.con_true -> string MQITypes.con_false -> 
+	        MQITypes.result
+
+val init_if_connected : ?flags:(flag list) -> ?log:(string -> unit) -> unit -> handle
+
+(* The following functions allow to read the handle internal fields. 
+ * For exclusive use of the interpreter.  
+ *)
+
+val log     : handle -> string -> unit
+val set     : handle -> flag -> bool   
+val flags   : handle -> flag list  
+val tables  : handle -> MathQL.path -> MQIMap.pg_tables
+val field   : handle -> MathQL.path -> string -> string
+val resolve : handle -> string -> string