"Dean Gibson (DB Administrator)" <postgresql3(at)ultimeth(dot)com> writes:
> It turns out that even when I removed the CASE statement from the VIEW, the
> performance problem remained. I had to remove the conditional as well from
> the VIEW.
> cancel_date < expire_date AS canceled,
Yuck :-(
> Do you know why? I'm running 7.3.4, by the way.
7.3 is even stupider than 7.4, is why ...
In 7.3 only a view whose targetlist consists of simple column references
can be pulled up into the nullable side of an outer join.
regards, tom lane