Mercurial > urweb
diff lib/ur/listPair.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 | 1c2f335297b7 |
children | 5c30eea7aa78 |