Mercurial > urweb
annotate tests/order_by.ur @ 246:3aa010e97db9
Explify tables
| author | Adam Chlipala <adamc@hcoop.net> |
|---|---|
| date | Sun, 31 Aug 2008 08:46:22 -0400 |
| parents | 71bafe66dbe1 |
| children | ee51e9d35c9b |
| rev | line source |
|---|---|
| adamc@230 | 1 table t1 : {A : int, B : string, C : float} |
| adamc@230 | 2 table t2 : {A : float, D : int} |
| adamc@230 | 3 |
| adamc@230 | 4 val q1 = (SELECT * FROM t1 ORDER BY t1.A, t1.B) |
| adamc@230 | 5 val q2 = (SELECT * FROM t1 GROUP BY t1.A ORDER BY t1.A, t1.B) |
| adamc@230 | 6 val q3 = (SELECT t1.B FROM t1 |
| adamc@230 | 7 UNION SELECT t1.B FROM t1 |
| adamc@230 | 8 ORDER BY t1.B) |
| adamc@234 | 9 |
| adamc@234 | 10 val q4 = (SELECT t1.A, t2.D, t1.A < t2.D AS Lt |
| adamc@234 | 11 FROM t1, t2 |
| adamc@234 | 12 ORDER BY Lt) |
| adamc@234 | 13 val q5 = (SELECT t1.A, t2.D, t1.A < t2.D AS Lt |
| adamc@234 | 14 FROM t1, t2 |
| adamc@234 | 15 ORDER BY t1.A, Lt, t2.D) |