val get_links_from_section : Dbi.connection -> int -> string -> string list
val update_links_for_page : Dbi.connection -> int -> string -> unit
val insert_link : Dbi.connection -> int -> string -> string -> unit
val get_links_from_section : Dbi.connection -> int -> string -> string list
val update_links_for_page : Dbi.connection -> int -> string -> unit
val insert_link : Dbi.connection -> int -> string -> string -> unit