view tests/aborter2.ur @ 2001:16f5f136a807

uw_register_transactional() can return error codes
author Adam Chlipala <adam@chlipala.net>
date Thu, 17 Apr 2014 17:41:24 -0400
parents 7009b0ac1501
children
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line source
table t : { X : int }

fun main () : transaction page =
    v <- query (SELECT * FROM t)
         (fn r (_ : int) => return (error <xml>Shot down!</xml>))
         0;
    return <xml>Result: {[v]}</xml>