X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Focaml%2Fmathql_interpreter%2Fdbconn.ml;h=b38eabe8712f71dcae52b59177ea7f1bc24c01e1;hb=ba824e867afc3eaf081ed1a1d6526d421242a6a0;hp=db4b8fb9cf8542c05183af073b4fdfebbf886e62;hpb=0b2c5757a7d7d87adc0144f790ca5294f9433175;p=helm.git

diff --git a/helm/ocaml/mathql_interpreter/dbconn.ml b/helm/ocaml/mathql_interpreter/dbconn.ml
index db4b8fb9c..b38eabe87 100644
--- a/helm/ocaml/mathql_interpreter/dbconn.ml
+++ b/helm/ocaml/mathql_interpreter/dbconn.ml
@@ -33,26 +33,21 @@
  *)
 open MathQL;;
 
-(*
- * paramentri della connessione
- *
- * TODO: bisogna scegliere se questi parametri vengono
- * passati come argomento
- *)
-(*let connection_param = "dbname=helm";;*)
-let connection_param = "host=dotto.cs.unibo.it dbname=helm user=helm";;
+exception InvalidURI of string
+exception ConnectionFailed of string
+exception InvalidConnection
 
 (*
  * connessione al db
  *)
-let conn = ref None;;
+let conn = ref None
 
 (*
  * controllo sulla connessione
  *)
 let pgc () =
    match !conn with
-      None -> raise (MQInvalidConnection connection_param)
+      None   -> raise InvalidConnection
     | Some c -> c
 ;;
 
@@ -62,11 +57,11 @@ let pgc () =
  * TODO
  * passare i parametri della connessione come argomento di init
  *)
-let init () =
+let init connection_param =
    try (
     conn := Some (new Postgres.connection connection_param);
    ) with
-    _ -> raise (MQConnectionFailed ("init: " ^ connection_param))
+    _ -> raise (ConnectionFailed ("init: " ^ connection_param))
 ;;
 
 (*