Tom Lane writes:
> Vlad Arkhipov <arhipov(at)dc(dot)baikal(dot)ru> writes:
>
>> I've just discovered a problem with quite simple query. It's really
>> confusing me.
>> Postgresql 8.3.1, random_page_cost=1.1. All tables were analyzed before
>> query.
>>
>
> What have you got effective_cache_size set to?
>
> regards, tom lane
>
>
1024M