Ur/Web: tests/policy.ur annotate

Parsed a WHERE clause

author	Adam Chlipala <adamc@hcoop.net>
date	Sun, 04 Apr 2010 17:11:22 -0400
parents	a75c66dd2aeb
children	7cd11380cdf1

rev	line source
adamc@1204	1 type fruit = int
adamc@1204	2 table fruit : { Id : fruit, Nam : string, Weight : float, Secret : string }
adamc@1204	3 PRIMARY KEY Id,
adamc@1204	4 CONSTRAINT Nam UNIQUE Nam
adamc@1204	5
adamc@1204	6 type order = int
adamc@1204	7 table order : { Id : order, Fruit : fruit, Qty : int, Code : int }
adamc@1204	8 PRIMARY KEY Id,
adamc@1204	9 CONSTRAINT Fruit FOREIGN KEY Fruit REFERENCES fruit(Id)
adamc@1199	10
adamc@1203	11 policy query_policy (SELECT fruit.Id, fruit.Nam, fruit.Weight FROM fruit)
adamc@1204	12 policy query_policy (SELECT order.Id, order.Fruit, order.Qty FROM order)
adamc@1200	13
adamc@1200	14 fun main () =
adamc@1204	15 x1 <- queryX (SELECT fruit.Id, fruit.Nam
adamc@1204	16 FROM fruit)
adamc@1204	17 (fn x => <xml><li>{[x.Fruit.Id]}: {[x.Fruit.Nam]}</li></xml>);
adamc@1204	18
adamc@1204	19 x2 <- queryX (SELECT fruit.Nam, order.Qty
adamc@1204	20 FROM fruit, order
adamc@1204	21 WHERE order.Fruit = fruit.Id)
adamc@1204	22 (fn x => <xml><li>{[x.Fruit.Nam]}: {[x.Order.Qty]}</li></xml>);
adamc@1200	23
adamc@1200	24 return <xml><body>
adamc@1204	25 <ul>{x1}</ul>
adamc@1204	26 <ul>{x2}</ul>
adamc@1200	27 </body></xml>

Mercurial > urweb