Обсуждение: cluster questions

Cluster has to sort the whole table (or do an index scan) and reorganize the
data in the table. Does it do this by copying the data? Is that effectively
the same as a vacuum full as far as the resulting space usage?

In 7.4 does the new cluster support change this?

--
greg

On Sat, 21 Feb 2003, Greg Stark wrote:

> Cluster has to sort the whole table (or do an index scan) and reorganize the
> data in the table. Does it do this by copying the data?

Yes,.

> Is that effectively
> the same as a vacuum full as far as the resulting space usage?

Yes.

cjs
--
Curt Sampson  <cjs@cynic.net>   +81 90 7737 2974   http://www.netbsd.org
    Don't you know, in this new Dark Age, we're all light.  --XTC