annotate demo/batchFun.urs @ 1428:58c9c039582a

Deal with Postgres's wonky type-changing for nullable columns of views
author Adam Chlipala <adam@chlipala.net>
date Fri, 25 Feb 2011 15:46:29 -0500
parents bb3fc575cfe7
children
rev   line source
adamc@1002 1 con colMeta = fn (db :: Type, state :: Type) =>
adamc@650 2 {Nam : string,
adamc@1002 3 Show : db -> xbody,
adamc@1002 4 Inject : sql_injectable db,
adamc@650 5
adamc@1002 6 NewState : transaction state,
adamc@1002 7 Widget : state -> xbody,
adamc@1002 8 ReadState : state -> transaction db}
adamc@650 9 con colsMeta = fn cols :: {(Type * Type)} => $(map colMeta cols)
adamc@650 10
adamc@650 11 val int : string -> colMeta (int, source string)
adamc@650 12 val float : string -> colMeta (float, source string)
adamc@650 13 val string : string -> colMeta (string, source string)
adamc@650 14
adamc@650 15 functor Make(M : sig
adamc@650 16 con cols :: {(Type * Type)}
adamc@650 17 constraint [Id] ~ cols
adamc@650 18 val fl : folder cols
adamc@650 19
adamc@706 20 table tab : ([Id = int] ++ map fst cols)
adamc@650 21
adamc@650 22 val title : string
adamc@650 23
adamc@650 24 val cols : colsMeta cols
adamc@650 25 end) : sig
adamc@650 26 val main : unit -> transaction page
adamc@650 27 end