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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 b8558b613abd
children
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table t : { A : int }

fun main () : transaction page = return <xml><body>
  {[(SELECT t.A FROM t ORDER BY t.A DESC) : sql_query [] [] _ _]}
</body></xml>