Matthias Teege <matthias@mteege.de> writes:
> Are unions in views implemented in the current version (7.x)?
No. This is currently planned for 7.2, maybe six months or so from now.
There are a lot of things that do work better in 7.0 than 6.5, though,
so I think it's worth your trouble to upgrade. Dunno whether you must
update PHP at the same time or not.
regards, tom lane