| From: | "Mikheev, Vadim" <vmikheev(at)SECTORBASE(dot)COM> |
|---|---|
| To: | "'Bruce Momjian'" <pgman(at)candle(dot)pha(dot)pa(dot)us> |
| Cc: | "'Hiroshi Inoue'" <Inoue(at)tpf(dot)co(dot)jp>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Ryan Bradetich <ryan_bradetich(at)hp(dot)com>, pgsql-sql(at)postgresql(dot)org |
| Subject: | RE: Use of index in 7.0 vs 6.5 |
| Date: | 2000-05-25 16:12:32 |
| Message-ID: | 8F4C99C66D04D4118F580090272A7A23018C02@SECTORBASE1 |
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| Lists: | pgsql-sql |
> > Oracle has index keys distribution page... And we have near empty
> > meta-page for each index AM... And backend reads this page for
> > each insert...
>
> That certainly would make sense. We have hesitated to gather more
> statistics because of the time involved. Fuller statistics
> on just the
> indexed columns could be a big win and be done fairly quickly because
> the rows are already sorted in the index.
So, add new item to TODO -:)
(I'm sure that I've told about index keys distribution page already -
I become tired to say about the same more and more -:))
Vadim
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