| From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
|---|---|
| To: | Martijn van Oosterhout <kleptog(at)cupid(dot)suninternet(dot)com> |
| Cc: | Ian Harding <iharding(at)pakrat(dot)com>, pgsql-general(at)postgresql(dot)org |
| Subject: | Re: Re: Loading optimization |
| Date: | 2001-01-11 18:48:29 |
| Message-ID: | 200101111848.NAA26404@candle.pha.pa.us |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-general |
> Also, in our case, clustering by a single index is not really sufficient.
> Within a single bill we would like to cluster the items by service. I was
> thinking or writing a program that would do a pg_dump, order by columns as
> requested and then dump it back in. I would've done it except that
> Postgresql won't use the fact that it's sorted.
You can create an index on all the columns, do a CLUSTER, then drop the
index and create the one you need.
--
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
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Ryan Mahoney | 2001-01-11 18:56:11 | visual schema tool |
| Previous Message | Nelio Alves Pereira Filho | 2001-01-11 18:37:04 | Modeling tool / ODBC |