Mercurial > urweb
annotate demo/batchG.ur @ 1886:b7cd3c7c7edd
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 | a44daa674810 |
children |
rev | line source |
---|---|
adamc@650 | 1 table t : {Id : int, A : string, B : float} |
adamc@708 | 2 PRIMARY KEY Id |
adamc@650 | 3 |
adamc@782 | 4 open BatchFun.Make(struct |
adamc@782 | 5 val tab = t |
adamc@782 | 6 val title = "BatchG" |
adamc@782 | 7 val cols = {A = BatchFun.string "A", |
adamc@782 | 8 B = BatchFun.float "B"} |
adamc@782 | 9 end) |