view tests/pkey.ur @ 1469:a354b306f948

Explain how to signal an error in a commit handler
author Adam Chlipala <adam@chlipala.net>
date Tue, 31 May 2011 09:14:03 -0400
parents d8217b4cb617
children
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table t : {A : int, B : int}
  PRIMARY KEY (A, B)

fun main () : transaction page =
    queryI (SELECT * FROM t) (fn _ => return ());
    return <xml/>