Module type Netcgi_dbi.DBI_DRIVER

module type DBI_DRIVER = sig .. end

type connection 

val connect : ?host:string ->
       ?port:string ->
       ?user:string ->
       ?password:string -> string -> connection

val close : connection -> unit

val closed : connection -> bool

val commit : connection -> unit

val ping : connection -> bool

val rollback : connection -> unit