view tests/pkey.ur @ 1394:d328983dc5a6

Allow subqueries to reference aggregate-only columns of free tables; treat non-COUNT aggregate functions as possibly returning NULL
author Adam Chlipala <adam@chlipala.net>
date Sat, 15 Jan 2011 14:53:13 -0500
parents d8217b4cb617
children
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table t : {A : int, B : int}
  PRIMARY KEY (A, B)

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