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annotate tests/update.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 0aee86b8a6d6
children
rev   line source
adamc@300 1 table t1 : {A : int, B : string, C : float, D : bool}
adamc@300 2
adamc@300 3 fun main () : transaction page =
adamc@310 4 () <- dml (UPDATE t1 SET B = 'Hi', C = 12.34 WHERE A = 5);
adamc@300 5 return <html><body>Updated.</body></html>