On Thu, Jan 10, 2013 at 5:32 AM, Andrzej Zawadzki <zawa...@wp.pl> wrote:
>
> Why that's happens? All configurations are identical. Only engine is
> different.

Could you post explain (analyze, buffers) instead of just explain?
Also, if you temporarily set enable_seqscan=off on 9.2, what plan do
you then get?

Cheers,

Jeff


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