Re: [GENERAL] Joins and links
От | Bruce Momjian |
---|---|
Тема | Re: [GENERAL] Joins and links |
Дата | |
Msg-id | 199907051636.MAA05541@candle.pha.pa.us обсуждение исходный текст |
Ответ на | Re: [GENERAL] Joins and links (David Warnock <david@sundayta.co.uk>) |
Список | pgsql-general |
> Bruce, > > Thanks for your informative messages. > > > Well, sometimes it is better to have control over when this happens. > > What is why cluster is nice, and we don't have time to add dynamic > > cluster right now. > > I personally would not see it as a high priority. > > My only reason for suggesting it was as a possible way to help provide > more performance for Leon without adding the full record number support > that he was asking for. > In fact, you were mentioning that inserting into the middle is slow, but that sequential adding to the end is good, but in fact, heap already does this, doesn't it? I guess if you only add occasionally, it is OK. Also, our no-over-write table structure had a tendency to mess up that ordering because updated rows do not go into the same place as the original row. -- Bruce Momjian | http://www.op.net/~candle maillist@candle.pha.pa.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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