| From: | Alvaro Herrera <alvherre(at)commandprompt(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Kevin Grittner <Kevin(dot)Grittner(at)wicourts(dot)gov>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: RAM-only temporary tables |
| Date: | 2008-11-06 17:16:20 |
| Message-ID: | 20081106171620.GM5520@alvh.no-ip.org |
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| Thread: | |
| Lists: | pgsql-hackers |
Tom Lane wrote:
> One place that I've always wanted to look at was suppressing the
> creation of a btree metapage until there's some useful data in the
> table. We managed to avoid creating a root page until there's data,
> but at the time avoiding the metapage seemed too invasive. (Admittedly,
> though, if one assumes that your real world case does involve putting
> some data in the tables, this wouldn't actually save anything...)
Agreed on the parenthised comment -- it'd be just benchmark
optimization.
--
Alvaro Herrera http://www.CommandPrompt.com/
PostgreSQL Replication, Consulting, Custom Development, 24x7 support
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