X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Focaml%2Fmathql_interpreter%2FmQIProperty.ml;h=60a003a3213891a8391da74fb550e0ee72a622b3;hb=97c2d258a5c524eb5c4b85208899d80751a2c82f;hp=be559adc7f107bb7dda849d4ebb7a4480c252bde;hpb=1c7fb836e2af4f2f3d18afd0396701f2094265ff;p=helm.git

diff --git a/helm/ocaml/mathql_interpreter/mQIProperty.ml b/helm/ocaml/mathql_interpreter/mQIProperty.ml
index be559adc7..60a003a32 100644
--- a/helm/ocaml/mathql_interpreter/mQIProperty.ml
+++ b/helm/ocaml/mathql_interpreter/mQIProperty.ml
@@ -27,7 +27,6 @@
  *)
 
 module M = MathQL
-module P = MQIPostgres
 module C = MQIConn
 module U = MQIUtil
 module A = MQIMap
@@ -53,51 +52,6 @@ let cl_print l =
    in
    List.iter c_print l
 
-(* PostgreSQL backend  ******************************************************)
-
-let pg_query h table cols ct cfl =
-   let exec q = 
-      if C.set h C.Log then C.log h (q ^ "\n");
-      P.exec (C.pgc h) q 
-   in
-   let rec iter f sep = function
-      | []           -> ""
-      | [head]       -> f head 
-      | head :: tail -> f head ^ sep ^ iter f sep tail
-   in
-   let pg_cols = iter (fun x -> x) ", " cols in
-   let pg_msval v = iter P.quote ", " v in
-   let pg_con (pat, col, v) = 
-      if col <> "" then 
-         let f s = col ^ " ~ " ^ P.quote ("^" ^ s ^ "$") in
-         if pat then "(" ^ iter f " or " v ^ ")"
-	 else match v with 
-	    | [s] -> col ^ " = " ^ (P.quote s)     
-	    | v   -> col ^ " in (" ^ pg_msval v ^ ")"
-      else "true"
-   in
-   let pg_cons l = iter pg_con " and " l in
-   let pg_cons_not l = "not (" ^ pg_cons l ^ ")" in
-   let pg_cons_not_l ll = iter pg_cons_not " and " ll in
-   let pg_where = match ct, cfl with
-      | [], []  -> ""
-      | lt, []  -> " where " ^ pg_cons lt
-      | [], llf -> " where " ^ pg_cons_not_l llf
-      | lt, llf -> " where " ^ pg_cons lt ^ " and " ^ pg_cons_not_l llf
-   in
-   if cols = [] then
-      let r = exec ("select count (source) from " ^ table ^ pg_where) in
-      match r with
-         | [[s]] when int_of_string s > 0 -> [[]]
-	 | _                              -> []
-   else
-      exec ("select " ^ pg_cols ^ " from " ^ table ^ pg_where ^ 
-            " order by " ^ List.hd cols ^ " asc")
-
-(* Galax backend  ***********************************************************)
-
-let gx_query h table cols ct cfl = not_supported "Galax"
-
 (* Common functions  ********************************************************)
 
 let pg_result distinct subj el res =
@@ -129,9 +83,9 @@ let exec_single h mc ct cfl el table =
    let cons_false = List.map mk_con cfl in
    let other_cols = List.map (fun (p, _) -> conv p) el in 
    let cols = if first = "" then other_cols else first :: other_cols in
-   let low_level = if C.set h C.Galax then gx_query else pg_query in
-   let result = low_level h (C.resolve h table) cols cons_true cons_false in
-   pg_result false first el result 
+   let out q = if C.set h C.Queries then C.log h (q ^ "\n") in
+   let r = C.exec h out (C.resolve h table) cols cons_true cons_false in
+   pg_result false first el r
    
 let deadline = 100
 
@@ -145,13 +99,3 @@ let exec h refine mc ct cfl el =
       | _                                                 ->
          exec_single h mc ct cfl el table
    in exec_aux ct	 
-
-(* funzioni vecchie  ********************************************************)
-
-let pg_name h s = 
-   let q = "select id from registry where uri = " ^ P.quote s in
-   match P.exec h q with
-      | [[id]] -> "t" ^ id
-      | _      -> ""
-
-let get_id b = if b then ["B"] else ["F"]