Re: GISTSTATE is too large
| От | Zhihong Yu |
|---|---|
| Тема | Re: GISTSTATE is too large |
| Дата | |
| Msg-id | CALNJ-vR3jqpyG958iV4Hm2SHqQ3p8EkUGntcXU8rnQ3kp3yPVg@mail.gmail.com обсуждение исходный текст |
| Ответ на | Re: GISTSTATE is too large (Andreas Karlsson <andreas@proxel.se>) |
| Список | pgsql-hackers |
On Sun, May 30, 2021 at 6:14 AM Andreas Karlsson <andreas@proxel.se> wrote:
On 4/26/21 12:20 AM, Andres Freund wrote:
> It seems pretty clear that this should be changed to be something more
> like
>
> [...]
>
> with initGISTstate allocating based on
> IndexRelationGetNumberOfKeyAttributes() instead of using a constant.
>
> And then subsequently change GIST_COL_STATE to embed the
> FunctionCallInfo, rather than initializiing them on the stack for every
> call.
>
>
> I'm not planning on doing this work, but I thought it's sensible to send
> to the list anyway.
I did the first part since it seemed easy enough and an obvious win for
all workloads.
Andreas
Hi,
Minor comment:
+ Oid supportCollation;
Collations -> Collation
The field used to be an array. Now it is one Oid.
Cheers
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