Re: function calls optimization

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От
Andres Freund
Тема
Re: function calls optimization
Дата
Msg-id
067303FD-BA50-4036-A097-2E179D190FFD@anarazel.de
Ответ на
function calls optimization (Andrzej Barszcz)
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Дерево обсуждения
function calls optimization Andrzej Barszcz <abusinf@gmail.com>
Re: function calls optimization Andres Freund <andres@anarazel.de>
Re: function calls optimization Tom Lane <tgl@sss.pgh.pa.us>
Re: function calls optimization Andres Freund <andres@anarazel.de>
Re: function calls optimization Tom Lane <tgl@sss.pgh.pa.us>
Re: function calls optimization Andres Freund <andres@anarazel.de>
Re: function calls optimization Tom Lane <tgl@sss.pgh.pa.us>
Re: function calls optimization Jim Finnerty <jfinnert@amazon.com>
Re: function calls optimization Andres Freund <andres@anarazel.de>
Re: function calls optimization Andrzej Barszcz <abusinf@gmail.com>
Re: function calls optimization Andres Freund <andres@anarazel.de>
Re: function calls optimization Andrzej Barszcz <abusinf@gmail.com>
Re: function calls optimization Andy Fan <zhihui.fan1213@gmail.com>
Re: function calls optimization Andrzej Barszcz <abusinf@gmail.com>
Re: function calls optimization Andres Freund <andres@anarazel.de>
Re: function calls optimization Andreas Karlsson <andreas@proxel.se> 
Hi, 

On October 31, 2019 7:06:13 AM PDT, Andrzej Barszcz  wrote:
>Hi
>
>I almost finished patch optimizing non volatile function calls.
>
>select f(t.n) from t where f(t.n) > 10 and f(t.n) < 100;  needs 3 calls
>of
>f() for each tuple,
>after applying patch only 1.
>
>Any pros and cons  ?

Depends on the actual way of implementing this proposal. Think we need more details than what you idea here.

Andres
-- 
Sent from my Android device with K-9 Mail. Please excuse my brevity.
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