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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 eac1974924bb
children
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line source
fun printer () = Test.foo

fun effect () =
  Test.print;
  return <xml><body>
    <button value="Remote" onclick={printer ()}/>
    <button value="Local" onclick={Test.bar "Hoho"}/>
    <button value="Either" onclick={Test.print}/>
  </body></xml>

fun xact () =
  Test.transactional;
  return <xml><body>
    All good.
  </body></xml>

fun xact2 () =
  Test.transactional;
  error <xml>Failure</xml>;
  return <xml><body>
    All gooder.
  </body></xml>

fun main () = return <xml><body>
  {[Test.out (Test.frob (Test.create "Hello ") "world!")]}
  <form><submit action={effect}/></form>
  <form><submit action={xact}/></form>
  <form><submit action={xact2}/></form>
</body></xml>