Re: prefix btree implementation

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От Jim C. Nasby
Тема Re: prefix btree implementation
Дата
Msg-id 20051006213127.GG36108@pervasive.com
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Ответ на Re: prefix btree implementation  ("Qingqing Zhou" <zhouqq@cs.toronto.edu>)
Ответы Re: prefix btree implementation  (Bruce Momjian <pgman@candle.pha.pa.us>)
Re: prefix btree implementation  (Qingqing Zhou <zhouqq@cs.toronto.edu>)
Список pgsql-hackers
On Wed, Oct 05, 2005 at 03:40:43PM -0700, Qingqing Zhou wrote:
> We do the prefix sharing when we build up index only, never on the fly.

So are you saying that inserts of new data wouldn't make any use of
this? ISTM that greatly reduces the usefulness, though I'm not objecting
because compression during build is probably better than none at all. Is
there a technical reason compression can't be used during normal
operations?
-- 
Jim C. Nasby, Sr. Engineering Consultant      jnasby@pervasive.com
Pervasive Software      http://pervasive.com    work: 512-231-6117
vcard: http://jim.nasby.net/pervasive.vcf       cell: 512-569-9461


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