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Re: Slow query after upgrade from 8.2 to 8.4



Kaloyan Iliev Iliev <kaloyan@xxxxxxxxx> writes:
> We recently upgrade our server from PG8.2 to 8.4.
> ...
> Here I will post explain analyze. If you think it is necessary I will 
> post the exact query:
> http://explain.depesz.com/s/J0O

Yeah, you need to show the query.  It looks like the performance problem
is stemming from a lot of subselects, but it's not clear why 8.4 would
be handling those worse than 8.2.

			regards, tom lane

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