Re: Suggestion; "WITH VACUUM" option

From: Matthew Kirkwood <matthew(at)hairy(dot)beasts(dot)org>
To: <pgsql(at)mohawksoft(dot)com>
Cc: <tgl(at)sss(dot)pgh(dot)pa(dot)us>, <josh(at)agliodbs(dot)com>, <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Suggestion; "WITH VACUUM" option
Date: 2002-12-17 18:38:11
Message-ID: Pine.LNX.4.33.0212171823560.23261-100000@sphinx.mythic-beasts.com
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On Tue, 17 Dec 2002, mlw wrote:

> update largetable set foo=bar;
>
> Lets also assume that "largetable" has tens of millions of rows.
[..]
> On some of my databases a statement which updates all the rows is
> unworkable in PostgreSQL, on Oracle, however, there is no poblem.

.. provided you have a lot of rollback space, which is
essentially what the datafile growth here is providing.

Matthew.

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