Re: benchmarking the query planner

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От Euler Taveira de Oliveira
Тема Re: benchmarking the query planner
Дата
Msg-id 4942B128.3020706@timbira.com
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Ответ на Re: benchmarking the query planner  ("Robert Haas" <robertmhaas@gmail.com>)
Ответы Re: benchmarking the query planner  ("Robert Haas" <robertmhaas@gmail.com>)
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Robert Haas escreveu:
>> Which raises the issue, if we could get better statistics by passing
>> the whole table, why not do that when VACUUM ANALYZE is run?
> 
> I think the reason is "because the next autovacuum would undo it".
> 
Ok, but even if autovacuum will undo it, almost-static-dataset would benefit
from this feature because (i) autovacuum won't often trigger this table or
(ii) you disabled the autovacuum on that table.

> Perhaps a table-level option to scan the whole table instead of
> estimating would be appropriate?
> 
ANALYZE FULL foo ?


--  Euler Taveira de Oliveira http://www.timbira.com/


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