Hi,
> Thanks for respone.
> The index scan was a little bit faster for id=1 and faster for id=99.
>
> Which settings shoud I change for this? cpu_index_tuple_cost ,
> cpu_operator_cost, cpu_tuple_cost?
You should lower random_page_cost to make the planner choose an index
scan vs sequential scan.
Best regards
--
Matteo Beccati
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