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Interpret 'table' signature items more flexibly, automatically adding (Ur) constraints to support a kind of subtyping over (SQL) constraint sets
author Adam Chlipala <adam@chlipala.net>
date Mon, 04 Nov 2013 15:14:23 -0500
parents 2b312f6d4007
children
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table lower : { A : string }

fun main () : transaction page =
    all <- queryX1 (SELECT *
                    FROM lower
                    WHERE lower(lower.A) LIKE '%foo')
                   (fn r => <xml>{[r.A]}<br/></xml>);
    return <xml><body>
      {all}
    </body></xml>