+type constr =
+ [ `Sort of Cic.sort * main_position list
+ | `Rel of main_position list
+ | `Obj of string * position list
+ ]
+
+let constr_of_metadata: metadata -> constr = function
+ | `Sort (sort, pos) -> `Sort (sort, [pos])
+ | `Rel pos -> `Rel [pos]
+ | `Obj (uri, pos) -> `Obj (uri, [pos])
+
+ (** the name of the tables in the DB *)
+let sort_tbl_original = "refSort"
+let rel_tbl_original = "refRel"
+let obj_tbl_original = "refObj"
+let conclno_tbl_original = "no_inconcl_aux"
+let fullno_tbl_original = "no_concl_hyp"
+let hypno_tbl_original = "no_hyp"
+let name_tbl_original = "objectName"
+
+ (** the names currently used *)
+let sort_tbl_real = ref sort_tbl_original
+let rel_tbl_real = ref rel_tbl_original
+let obj_tbl_real = ref obj_tbl_original
+let conclno_tbl_real = ref conclno_tbl_original
+let fullno_tbl_real = ref fullno_tbl_original
+let hypno_tbl_real = ref hypno_tbl_original
+let name_tbl_real = ref name_tbl_original
+
+ (** the exported symbols *)
+let sort_tbl () = ! sort_tbl_real ;;
+let rel_tbl () = ! rel_tbl_real ;;
+let obj_tbl () = ! obj_tbl_real ;;
+let conclno_tbl () = ! conclno_tbl_real ;;
+let fullno_tbl () = ! fullno_tbl_real ;;
+let hypno_tbl () = ! hypno_tbl_real ;;
+let name_tbl () = ! name_tbl_real ;;
+
+ (** to use the owned tables *)
+let ownerize_tables owner =
+ sort_tbl_real := ( sort_tbl_original ^ "_" ^ owner) ;
+ rel_tbl_real := ( rel_tbl_original ^ "_" ^ owner) ;
+ obj_tbl_real := ( obj_tbl_original ^ "_" ^ owner) ;
+ conclno_tbl_real := ( conclno_tbl_original ^ "_" ^ owner) ;
+ fullno_tbl_real := ( fullno_tbl_original ^ "_" ^ owner) ;
+ hypno_tbl_real := ( hypno_tbl_original ^ "_" ^ owner) ;
+ name_tbl_real := ( name_tbl_original ^ "_" ^ owner)
+;;
+
+let library_sort_tbl = sort_tbl_original
+let library_rel_tbl = rel_tbl_original
+let library_obj_tbl = obj_tbl_original
+let library_conclno_tbl = conclno_tbl_original
+let library_fullno_tbl = fullno_tbl_original
+let library_hypno_tbl = hypno_tbl_original
+let library_name_tbl = name_tbl_original
+
+let are_tables_ownerized () =
+ sort_tbl () <> library_sort_tbl
+