Ur/Web: tests/crud.urs annotate

Allow subqueries to reference aggregate-only columns of free tables; treat non-COUNT aggregate functions as possibly returning NULL

author	Adam Chlipala <adam@chlipala.net>
date	Sat, 15 Jan 2011 14:53:13 -0500
parents	1fb318c17546
children

rev	line source
adamc@352	1 con colMeta = fn t_formT :: (Type * Type) =>
adamc@352	2 {Nam : string,
adamc@352	3 Show : t_formT.1 -> xbody,
adamc@352	4 Widget : nm :: Name -> xml form [] [nm = t_formT.2],
adamc@352	5 WidgetPopulated : nm :: Name -> t_formT.1
adamc@371	6 -> xml form [] [nm = t_formT.2],
adamc@352	7 Parse : t_formT.2 -> t_formT.1,
adamc@352	8 Inject : sql_injectable t_formT.1}
adamc@346	9 con colsMeta = fn cols :: {(Type * Type)} => $(mapT2T colMeta cols)
adamc@326	10
adamc@362	11 val int : string -> colMeta (int, string)
adamc@362	12 val float : string -> colMeta (float, string)
adamc@362	13 val string : string -> colMeta (string, string)
adamc@362	14 val bool : string -> colMeta (bool, bool)
adamc@362	15
adamc@325	16 functor Make(M : sig
adamc@352	17 con cols :: {(Type * Type)}
adamc@352	18 constraint [Id] ~ cols
adamc@706	19 table tab : ([Id = int] ++ mapT2T fstTT cols)
adamc@325	20
adamc@352	21 val title : string
adamc@325	22
adamc@352	23 val cols : colsMeta cols
adamc@352	24 end) : sig
adamc@352	25 val main : unit -> transaction page
adamc@325	26 end

Mercurial > urweb