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annotate tests/pkey.ur @ 1886:b7cd3c7c7edd

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Interpret 'table' signature items more flexibly, automatically adding (Ur) constraints to support a kind of subtyping over (SQL) constraint sets
author Adam Chlipala <adam@chlipala.net>
date Mon, 04 Nov 2013 15:14:23 -0500
parents d8217b4cb617
children
rev   line source
adamc@707 1 table t : {A : int, B : int}
adamc@707 2 PRIMARY KEY (A, B)
adamc@707 3
adamc@707 4 fun main () : transaction page =
adamc@707 5 queryI (SELECT * FROM t) (fn _ => return ());
adamc@707 6 return <xml/>