Re: Need for rebuilding index after many deletions?

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От philip@adhesivemedia.com (Philip Hallstrom)
Тема Re: Need for rebuilding index after many deletions?
Дата
Msg-id 200008041900.MAA48145@illiad.adhesivemedia.com
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Ответ на Need for rebuilding index after many deletions?  (Patrick Robin <Patrick.Robin@disney.com>)
Ответы Re: Re: Need for rebuilding index after many deletions?  (Tom Lane <tgl@sss.pgh.pa.us>)
Список pgsql-general
I could be wrong, but you also need the -a (analyze) option to vacuum to
have it "re-think" it's lookup strategies, right?
In article <am.pgsql.general.965411449.47605@illiad.adhesivemedia.com>,
Jeffrey A. Rhines <jrhines@email.com> wrote:
>If you're worried about performance, a vacuum should do the trick,
>right?
>
>Jeff
>
>Patrick Robin wrote:
>>
>> Hi all,
>>
>>    With Postgres 6.5.2,  if a table has undergone several row deletions,
>> does it make sense/ is it needed  to rebuild the index?  Would this be
>> accomplished by
>> dropping it and then recreating it?


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