From: | Christopher Browne <cbbrowne(at)acm(dot)org> |
---|---|
To: | pgsql-general(at)postgresql(dot)org |
Subject: | Re: COPY TO order |
Date: | 2004-04-10 20:44:25 |
Message-ID: | m3ekqvbm1i.fsf@wolfe.cbbrowne.com |
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Lists: | pgsql-general |
Centuries ago, Nostradamus foresaw when clodoaldo_pinto(at)yahoo(dot)com(dot)br (Clodoaldo Pinto Neto) would write:
> How to make sure COPY TO writes the table lines to the file in the same order
> they were inserted?
You probably want to rewrite PostgreSQL then.
> I'm producing html pages in pl/pgsql and using COPY TO to write then
> to file. Occasionaly, about once in 7 or 9, the lines are copied to
> the file out of the order they were inserted in the table.
If you need to maintain data in some order, then you need to add a key
field that indicates that ordering, and use ORDER BY in order to
select the data in that order.
That will involve not using COPY TO.
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