| From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
|---|---|
| To: | Tiago Antão <tra(at)fct(dot)unl(dot)pt> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, PostgreSQL Hackers list <pgsql-hackers(at)hub(dot)org> |
| Subject: | Re: analyze.c |
| Date: | 2000-10-15 18:23:22 |
| Message-ID: | 200010151823.OAA09258@candle.pha.pa.us |
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| Lists: | pgsql-hackers |
> BTW, you can get access to SIGMOD CDs with lots of goodies for a very low
> price (at least in 1999 it was a bargain), check out ACM membership for
> sigmod.
>
> I've been reading something about implementation of histograms, and,
> AFAIK, in practice histograms is just a cool name for no more than:
> 1. top ten with frequency for each
> 2. the same for top ten worse
> 3. average for the rest
I wonder if just increasing the number of buckets in analyze.c would
help?
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
+ If your life is a hard drive, | 830 Blythe Avenue
+ Christ can be your backup. | Drexel Hill, Pennsylvania 19026
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