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comparison tests/relops.ur @ 244:71bafe66dbe1

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Laconic -> Ur
author Adam Chlipala <adamc@hcoop.net>
date Sun, 31 Aug 2008 08:32:18 -0400
parents tests/relops.lac@016d71e878c1
children 645d0e8da643
comparison
equal deleted inserted replaced
243:2b9dfaffb008 244:71bafe66dbe1
1 table t1 : {A : int, B : string, C : float}
2 table t2 : {A : float, D : int}
3
4 val q1 = (SELECT * FROM t1
5 UNION SELECT * FROM t1)
6 val q2 = (SELECT t1.A, t1.B FROM t1 WHERE t1.A = 0
7 INTERSECT SELECT t1.B, t1.A FROM t1 WHERE t1.B = t1.B)
8 val q3 = (SELECT t1.A, t1.B, t1.C FROM t1 WHERE t1.A = 0
9 INTERSECT SELECT * FROM t1 WHERE t1.B = 'Hello world!'
10 EXCEPT SELECT * FROM t1 WHERE t1.A < t1.A)