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view tests/coalesce.ur @ 1796:0de0daab5fbb

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Remove misguided type class optimization
author Adam Chlipala <adam@chlipala.net>
date Thu, 26 Jul 2012 10:04:58 -0400
parents e44be6ece475
children
line wrap: on
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table t : { A : option int }

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