Ur/Web: demo/more/grid0.ur annotate

Interpret 'table' signature items more flexibly, automatically adding (Ur) constraints to support a kind of subtyping over (SQL) constraint sets

author	Adam Chlipala <adam@chlipala.net>
date	Mon, 04 Nov 2013 15:14:23 -0500
parents	f0afe61a6f8b
children

rev	line source
adamc@1039	1 open Dbgrid
adamc@1039	2
adamc@1039	3 sequence s
adamc@1039	4 table t : {Id : int, A : int}
adamc@1039	5 PRIMARY KEY Id
adamc@1039	6
adamc@1039	7 open Make(struct
adamc@1039	8 val tab = t
adamc@1039	9 con key = [Id = _]
adamc@1039	10
adamc@1039	11 val raw = {Id = {New = nextval s,
adamc@1039	12 Inj = _},
adamc@1039	13 A = {New = return 0,
adamc@1039	14 Inj = _}}
adamc@1039	15
adam@1304	16 val cols = {Id = Direct.readOnly [#Id] "Id" Direct.int,
adam@1304	17 A = Direct.editable [#A] "A" Direct.int}
adamc@1039	18
adamc@1039	19 val aggregates = {}
adamc@1039	20
adamc@1039	21 val pageLength = None
adamc@1039	22 end)
adamc@1039	23
adamc@1039	24 fun main () =
adamc@1039	25 grid <- grid;
adamc@1039	26 set (showSelection grid) True;
adamc@1039	27 return <xml>
adamc@1039	28 <head>
adamc@1039	29 <link rel="stylesheet" type="text/css" href="../../grid.css"/>
adamc@1039	30 </head>
adamc@1039	31 <body onload={sync grid}>
adamc@1039	32 {render grid}
adamc@1039	33 </body>
adamc@1039	34 </xml>

Mercurial > urweb