| From: | Bruce Momjian <bruce(at)momjian(dot)us> |
|---|---|
| To: | Teodor Sigaev <teodor(at)sigaev(dot)ru> |
| 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 12:32:59 |
| Message-ID: | 200609261232.k8QCWxN07210@momjian.us |
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| Lists: | pgsql-hackers |
Teodor Sigaev wrote:
> > 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...
I think block indexes would only be for btrees.
--
Bruce Momjian bruce(at)momjian(dot)us
EnterpriseDB http://www.enterprisedb.com
+ If your life is a hard drive, Christ can be your backup. +
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