X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Focaml%2Fmathql_interpreter%2Fpattern.ml;h=993617bb8b3998b8d780ed5b695705671cf47852;hb=6cd9c31edf69f619789a9802e840fbb61f4b6b40;hp=2445e1c760fdae5096914631b5a2f70c2d0a6597;hpb=6a1d05b388683befc860b48b4f2bbaf42f58a112;p=helm.git

diff --git a/helm/ocaml/mathql_interpreter/pattern.ml b/helm/ocaml/mathql_interpreter/pattern.ml
index 2445e1c76..993617bb8 100644
--- a/helm/ocaml/mathql_interpreter/pattern.ml
+++ b/helm/ocaml/mathql_interpreter/pattern.ml
@@ -1,14 +1,60 @@
+(* 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://www.cs.unibo.it/helm/.
+ *)
+
+(*
+ * implementazione del comando PATTERN
+ *)
 
 open Dbconn;;
 open Utility;;
 open Eval;;
+open Mathql_semantics;;
 
-let pattern_ex apreamble apattern ext afragid =
+let pattern_ex (apreamble, apattern, afragid) =
  let c = pgc () in
-  let r1 = c#exec "select att0 from class where att2='Object'" in
-   let res =
-    c#exec ("select att0 from t" ^ (pgresult_to_string r1) ^
-            " where att0 " ^ (pattern_match apreamble apattern ext afragid))
-   in
-    [["retVal"]] @ List.map (fun l -> [l]) (pgresult_to_string_list res)
+  (*let _ = print_string ("USE ")
+  and t = Sys.time () in*)
+  (*let r1 = helm_class_id "MathResource" in*)
+   (*let qq = "select att0 from t" ^ r1 ^ " where att0 " ^ (pattern_match apreamble apattern afragid) ^ " order by t" ^ r1 ^ ".att0 asc" in*)
+   (*PRE-CLAUDIO
+   let qq = "select uri from registry where uri " ^ (pattern_match apreamble apattern afragid) ^ " order by registry.uri asc" in
+    let result = 
+     let res =
+      c#exec (qq)
+     in
+      [["retVal"]] @ List.map (fun l -> [l]) (pgresult_to_string_list res)*)
+   let qq = "select uri from registry where uri " ^ (pattern_match (apreamble, apattern, afragid)) ^ " order by registry.uri asc" in
+print_endline qq ; flush stderr ;
+   (*let _ = print_endline qq in*)
+    let res =
+     c#exec (qq)
+    in
+(* PRE-CLAUDIO
+     (*let _ = print_endline (string_of_float (Sys.time () -. t)); flush stdout in*)
+      result*)
+     List.map
+      (function uri -> {uri = uri ; attributes = [] ; extra = ""})
+      (pgresult_to_string_list res)
 ;;