Re: set the cost of an aggregate function

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От Jaime Casanova
Тема Re: set the cost of an aggregate function
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Msg-id 3073cc9b1002082001k7fbd40a0p168df5ae486259f4@mail.gmail.com
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Ответ на Re: set the cost of an aggregate function  (Simon Riggs <simon@2ndQuadrant.com>)
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On Thu, Dec 3, 2009 at 7:19 AM, Simon Riggs <simon@2ndquadrant.com> wrote:
>
> The answer is nobody got round to enhancing this yet and well considered
> proposals and subsequent patches would be welcome.
>

what is a well considered proposal in this area? the transition
function cost should be applied to every row cost (maybe multiplied to
cpu_operator_cost or cpu_tuple_cost) and the final function cost
should be applied just once, no?

--
Atentamente,
Jaime Casanova
Soporte y capacitación de PostgreSQL
Asesoría y desarrollo de sistemas
Guayaquil - Ecuador
Cel. +59387171157


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