| From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Zeugswetter Andreas SB SD <ZeugswetterA(at)spardat(dot)at>, Jeff Davis <jdavis-pgsql(at)empires(dot)org>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Why hash indexes suck |
| Date: | 2004-06-10 04:05:59 |
| Message-ID: | 200406100405.i5A45xB13358@candle.pha.pa.us |
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| Lists: | pgsql-hackers |
Tom Lane wrote:
> Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
> > Added to TODO:
> > * Order heap pointers on hash index pages by hash value and ctid
>
> [blink] This seems to miss out on the actual point of the thread (hash
> bucket size shouldn't be a disk page) in favor of an entirely
> unsupported sub-suggestion.
Yes, I was unsure of the text myself. I have changed it to:
* Allow hash buckets to fill disk pages, rather than being
sparse
If we sorted the keys, how do we insert new entries efficiently?
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
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