X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Focaml%2Fmathql_interpreter%2FmQIPostgres.mli;h=afc75b051084c71fd2ad7582ed0eb117b5acec44;hb=3b22e6ed78aa7d1d076734a7e91ef6f2066a4aa9;hp=342c91eaa551e9c50a54e25ea774e6f1922aa85f;hpb=1c7fb836e2af4f2f3d18afd0396701f2094265ff;p=helm.git

diff --git a/helm/ocaml/mathql_interpreter/mQIPostgres.mli b/helm/ocaml/mathql_interpreter/mQIPostgres.mli
index 342c91eaa..afc75b051 100644
--- a/helm/ocaml/mathql_interpreter/mQIPostgres.mli
+++ b/helm/ocaml/mathql_interpreter/mQIPostgres.mli
@@ -26,10 +26,13 @@
 (*  AUTOR: Ferruccio Guidi <fguidi@cs.unibo.it>
  *)
 
-val init  : string -> Postgres.connection option
+val init  : unit -> Postgres.connection
 
-val close : Postgres.connection option -> unit
+val close : Postgres.connection -> unit
+
+val exec  : Postgres.connection -> 
+            MQITypes.table -> MQITypes.columns ->
+	    string MQITypes.con_true -> string MQITypes.con_false ->
+	    MQITypes.result * MQITypes.query
 
-val exec  : Postgres.connection option -> string -> string list list
 
-val quote : string -> string