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view tests/coalesce.ur @ 2197:6eae499c56cb

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New .urp directive: jsFile
author Adam Chlipala <adam@chlipala.net>
date Sat, 05 Dec 2015 12:04:06 -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>)