On Mon, 2005-05-09 at 14:10, Tom Lane wrote:
> Simon Riggs <simon@2ndquadrant.com> writes:
> > Your original release was 7.3.3 and you have just moved to 7.3.9.
>
> Did he move to 7.3.9? I got the impression he'd only applied the
> recommended catalog change to his existing installation. But if he
> did, then you're right, it's more than likely got something to do
> with some other change in the 7.3 series.
Most of the time I've seen this happen, the change has made the query
planner do something differently, and explain analyze has shown the
problem rather quickly.