Mercurial > urweb
annotate tests/selexp.ur @ 416:679b2fbbd4d0
Counter demo
| author | Adam Chlipala <adamc@hcoop.net> |
|---|---|
| date | Thu, 23 Oct 2008 11:59:48 -0400 |
| parents | 71bafe66dbe1 |
| children |
| rev | line source |
|---|---|
| adamc@233 | 1 table t1 : {A : int, B : string, C : float} |
| adamc@233 | 2 table t2 : {A : float, D : int} |
| adamc@233 | 3 |
| adamc@233 | 4 val q1 = (SELECT 0 AS Zero FROM t1) |
| adamc@233 | 5 val q2 = (SELECT t1.A < t2.D AS Lt FROM t1, t2) |
| adamc@233 | 6 val q3 = (SELECT t1.A < t2.D AS Lt, t1.A, t2.D, t1.C = t2.A AS Eq FROM t1, t2) |