Re: pgsql is 75 times faster with my new index scan
| От | Bruce Momjian |
|---|---|
| Тема | Re: pgsql is 75 times faster with my new index scan |
| Дата | |
| Msg-id | 200010171205.IAA15969@candle.pha.pa.us обсуждение |
| Ответ на | pgsql is 75 times faster with my new index scan (devik@cdi.cz) |
| Список | pgsql-hackers |
> > > I doubt everyone would like trading query speed for insert/update > > > speed plus index size > > > > If he is scanning through the entire index, he could do a sequential > > scan of the table, grab all the tid transaction status values, and use > > those when viewing the index. No need to store/update the transaction > > status in the index that way. > > Huh ? How ? It is how you do it now. Do you expect > load several milion transaction statuses into memory, > then scan index and lookup these values ? > Missed I something ? > devik > > Not sure. I figured they were pretty small values. -- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610) 853-3000+ If your life is a hard drive, | 830 Blythe Avenue + Christ can be your backup. | Drexel Hill, Pennsylvania19026
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