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view tests/whiteout.ur @ 714:0f42461273cf

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CHECK constraints
author Adam Chlipala <adamc@hcoop.net>
date Thu, 09 Apr 2009 15:30:15 -0400
parents f0224c7f12bb
children
line wrap: on
line source
table t : { Chan : option (channel unit) }

fun main () : transaction page =
    ch <- channel;
    dml (INSERT INTO t (Chan) VALUES ({[Some ch]}));
    return <xml><body>Did it.</body></xml>