+(* 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/.
+ *)
+
+(*
+ * implementazione del comando PATTERN
+ *)
open Dbconn;;
open Utility;;
open Eval;;
-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 r1 = helm_class_id "MathResource" in
+ let qq = "select att0 from t" ^ r1 ^ " where att0 " ^ (pattern_match apreamble apattern afragid) in
+ (*let _ = print_endline qq in*)
+ let res =
+ c#exec (qq)
+ in
+ [["retVal"]] @ List.map (fun l -> [l]) (pgresult_to_string_list res)
;;