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view tests/pkeyEscape.ur @ 1886:b7cd3c7c7edd

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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 f7d9dc5d57eb
children
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table t : {A : int, B : int}
  PRIMARY KEY {{primary_key [#A] [[B = _]]}}

fun main () : transaction page =
    queryI (SELECT * FROM t) (fn _ => return ());
    return <xml/>