From: | Rainer Bauer <usenet(at)munnin(dot)com> |
---|---|
To: | pgsql-general(at)postgresql(dot)org |
Subject: | Re: Cluster using tablespaces? |
Date: | 2007-12-02 21:19:01 |
Message-ID: | 6nu5l35fv7qqpoj75n10nkf9tvaqcinvs3@4ax.com |
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Thread: | |
Lists: | pgsql-general |
Alvaro Herrera wrote:
> Alvaro Herrera wrote:
>Probably most of the time is going into creating the new table then.
>
>If you are looking for a short-term solution to your problem, maybe the
>best is to follow the recommendation on CLUSTER ref page:
I've read that section before, but I have lots of foreign key relationships
between the tables.
Thanks Alvaro and Tom, but it seems that I will have to live with that
behaviour, until ...
>No, the ALTER TABLE/CLUSTER ON only defines what index will the table be
>clustered on in the future, but it doesn't cluster it at that time.
>Perhaps it could be improved so that if a table rewrite is going to be
>done anyway for some other reason, then make sure the rewrite uses the
>cluster order. I think it's far from trivial though.
... this has been tried.
Rainer
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