On fre, 2009-08-21 at 20:07 -0400, Tom Lane wrote: > As of SQL99 it's supposed to be legal if you're grouping by a primary key > (or some other cases where the other columns can be proved functionally > dependent on the grouping columns, but that's the most useful one). > We haven't got round to implementing that, but I'm not sure that it > would make the Drupal code work anyway. Are they actually writing to > spec here, or just doing whatever mysql will let them? > > BTW, I was under the impression there already *was* a TODO entry about > improving our standards compliance in this area. I can't find it in > the list right now, though.
I added "Add support for functional dependencies" just now, with a comment how this relates to GROUP BY. -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
