Re: 7.4beta2 vs 7.3.3

Tom Lane wrote:
> 
> Hm, it sure looks to be exactly the same plan.  The performance
> difference seems to be just that the seqscans are faster.  I surmise
> that in the 7.3 database you had a lot of dead rows, or at least a lot
> of free space.  Possibly you need to vacuum more often to keep down the
> amount of junk in the tables.

The two databases were created from scratch and the first
operation on it ( after a vacuum analyze ) was just that query.

I will try to pump up the statistic target.


Regards
Gaetano Mendola