-let pattern_ex apreamble apattern afragid =
- let c = pgc () 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*)
- let qq = "select uri from registry where uri " ^ (pattern_match apreamble apattern afragid) ^ " order by registry.uri asc" in
- (*let _ = print_endline qq in*)
- let res =
- c#exec (qq)
- in
- List.map
- (function uri -> {uri = uri ; attributes = []})
- (pgresult_to_string_list res)