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view tests/coalesce.ur @ 1651:dfc854e478bb

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Error messages about applying 'dynClass' to tags that don't like it
author Adam Chlipala <adam@chlipala.net>
date Sat, 31 Dec 2011 13:31:00 -0500
parents e44be6ece475
children
line wrap: on
line source
table t : { A : option int }

fun main () : transaction page =
    queryX (SELECT COALESCE(t.A, 13)
            FROM t)
    (fn r => <xml>{[r.1]},</xml>)