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Prevent unifications of 'others' pieces in record summaries, when both pieces contain unification variables (to prevent undesired unifications)
author Adam Chlipala <adam@chlipala.net>
date Thu, 05 Jan 2012 17:10:43 -0500
parents 5d494183ca89
children
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table t : { A : int, B : float }

val q = (SELECT t.A + t.A AS X, t.B * t.B AS Y FROM t)

fun main () : transaction page =
    xml <- queryX q (fn r => <xml>{[r.X]}, {[r.Y]}<br/></xml>);
    return <xml><body>{xml}</body></xml>