* MA 02111-1307, USA.
*
* For details, see the HELM World-Wide-Web page,
- * http://cs.unibo.it/helm/.
+ * http://www.cs.unibo.it/helm/.
*)
(*
* output: string list list; lista su cui e' stato eseguito il
* comando USE/USED BY
*)
-let use_ex alist asvar usek =
- let _ = print_string ("USE ")
- and t = Unix.time () in
- let result =
- let c = pgc ()
- in
- [ (List.hd alist) @ [asvar] ]
- @
+let get_prop_id prop =
+ if prop="refObj" then "F"
+ else if prop="backPointer" then "B"
+ else assert false
+ ;;
+
+
+let relation_ex rop path rset attl =
+ let usek = get_prop_id (List.hd path) in
+
+let _ = print_string ("RELATION "^usek)
+and t = Sys.time () in
+let result =
+ let c = pgc () in
Sort.list
- (fun l m -> List.hd l < List.hd m)
+ (fun (uri1-> uri1 < uri2)
(List.fold_left
- (fun parziale xres ->
- (*let r1 = helm_property_id usek
- and r2 = helm_property_id "position"
- and r3 = helm_property_id "occurrence"
- in
- let qq = "select distinct t" ^ r3 ^ ".att1, t" ^ r2 ^ ".att1 " ^
- "from t" ^ r3 ^ ", t" ^ r2 ^ ", t" ^ r1 ^ " " ^
- "where " ^ "t" ^ r1 ^ ".att0 = '" ^ (List.hd xres) ^ "' and t" ^ r1 ^
- ".att1 = t" ^ r2 ^ ".att0 and t" ^ r1 ^ ".att1 = t" ^ r3 ^
- ".att0 order by t" ^ r3 ^ ".att1 asc"*)
- let tv = pgresult_to_string (c#exec ("select id from registry where uri='" ^ (List.hd xres) ^ "'")) in
- let qq = "select uri, context from t" ^ tv ^ " where back_for='" ^ usek ^ "'"
+ (fun parziale (uri,aset)->
+ print_string uri ;
+ let tv =
+ pgresult_to_string
+ (c#exec ("select id from registry where uri='" ^ uri ^ "'"))
+ in
+ let qq =
+ "select uri, context from t" ^ tv ^ " where prop_id='" ^ usek ^
+ "' order by uri asc"
in
let res = c#exec qq in
(List.map
- (fun l -> [List.hd l] @ List.tl xres @ List.tl l)
- res#get_list
- )
- @
+ (function
+ [uri;context] -> {S.uri = uri ; S.attributes = [asvar, context] ; S.extra = ""}
+ | _ -> assert false
+ ) res#get_list
+ ) @
parziale
- )
- []
- (List.tl alist)
+ ) [] rset
)
- in
- let _ = print_endline (string_of_float (Unix.time () -. t)); flush stdout in
+in
+print_string (" = " ^ string_of_int (List.length result) ^ ": ") ;
+print_endline (string_of_float (Sys.time () -. t) ^ "s") ;
+flush stdout ;
result
;;