From 003594fd2ed4739b9f1fdc8df350615fdc11a3f7 Mon Sep 17 00:00:00 2001 From: Adam Chlipala Date: Sun, 31 Aug 2008 15:47:32 -0400 Subject: Monoize relops --- tests/relops.ur | 22 +++++++++++++++++++++- 1 file changed, 21 insertions(+), 1 deletion(-) (limited to 'tests/relops.ur') diff --git a/tests/relops.ur b/tests/relops.ur index c9fca0cc..b876c482 100644 --- a/tests/relops.ur +++ b/tests/relops.ur @@ -7,4 +7,24 @@ val q2 = (SELECT t1.A, t1.B FROM t1 WHERE t1.A = 0 INTERSECT SELECT t1.B, t1.A FROM t1 WHERE t1.B = t1.B) val q3 = (SELECT t1.A, t1.B, t1.C FROM t1 WHERE t1.A = 0 INTERSECT SELECT * FROM t1 WHERE t1.B = 'Hello world!' - EXCEPT SELECT * FROM t1 WHERE t1.A < t1.A) + EXCEPT SELECT * FROM t1 WHERE t1.A < t1.A + UNION SELECT * FROM t1 WHERE t1.A > t1.A) + +datatype list a = Nil | Cons of a * list a + +val r1 : transaction (list {A : int, B : string, C : float}) = + query q3 + (fn fs acc => return (Cons (fs.T1, acc))) + Nil + +val r2 : transaction string = + ls <- r1; + return (case ls of + Nil => "Problem" + | Cons ({B = b, ...}, _) => b) + +val main : unit -> transaction page = fn () => + s <- r2; + return + {cdata s} + -- cgit v1.2.3