annotate tests/relops.lac @ 234:82409ef72019
SELECTed expressions in ORDER BY
| author |
Adam Chlipala <adamc@hcoop.net> |
| date |
Thu, 28 Aug 2008 11:49:38 -0400 |
| parents |
016d71e878c1 |
| children |
|
| rev |
line source |
|
adamc@229
|
1 table t1 : {A : int, B : string, C : float}
|
|
adamc@229
|
2 table t2 : {A : float, D : int}
|
|
adamc@229
|
3
|
|
adamc@229
|
4 val q1 = (SELECT * FROM t1
|
|
adamc@229
|
5 UNION SELECT * FROM t1)
|
|
adamc@229
|
6 val q2 = (SELECT t1.A, t1.B FROM t1 WHERE t1.A = 0
|
|
adamc@229
|
7 INTERSECT SELECT t1.B, t1.A FROM t1 WHERE t1.B = t1.B)
|
|
adamc@229
|
8 val q3 = (SELECT t1.A, t1.B, t1.C FROM t1 WHERE t1.A = 0
|
|
adamc@229
|
9 INTERSECT SELECT * FROM t1 WHERE t1.B = 'Hello world!'
|
|
adamc@229
|
10 EXCEPT SELECT * FROM t1 WHERE t1.A < t1.A)
|
