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Re: Block B-Tree concept

From: Teodor Sigaev <teodor(at)sigaev(dot)ru>
To: Bruce Momjian <bruce(at)momjian(dot)us>
Cc: Heikki Linnakangas <heikki(at)enterprisedb(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Block B-Tree concept
Date: 2006-09-26 12:29:30
Message-ID: 45191D2A.7010401@sigaev.ru (view raw or flat)
Thread:
Lists: pgsql-hackers
> Right now, if an index entry points to a dead tuple, we set a bit in 
> the index so future lookups do not access the heap.  We could set a bit 
> for block index entries that point to a page that has no live rows, and
> have vacuum remove the index entry later.

GIN don't support this feature...
-- 
Teodor Sigaev                                   E-mail: teodor(at)sigaev(dot)ru
                                                    WWW: http://www.sigaev.ru/

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