Re: pg_dump and insert multi-rows option

From: Cédric Villemain <cedric(dot)villemain(at)dalibo(dot)com>
To: pgsql-hackers(at)postgresql(dot)org
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Subject: Re: pg_dump and insert multi-rows option
Date: 2007-09-04 17:11:17
Message-ID: 200709041911.22021.cedric.villemain@dalibo.com
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Le mardi 4 septembre 2007, Tom Lane a écrit :
> =?utf-8?q?C=C3=A9dric_Villemain?= <cedric(dot)villemain(at)dalibo(dot)com> writes:
> > In order to make some trivial test, I have start patching pg_dump to
> > get=20 insert using multi-rows (like --inserts option).
>
> Why? COPY is faster and won't have issues for very large numbers of
> rows.

Well, I can only make a new ask.
Why is there the --inserts and --attribute-inserts options ?

As copy is very fast, I find fast (in front of simple insert) the multi-rows
inserts. For a very small test I had 20, 30 and 440 seconds to restore
respectively copy, mutiinserts and inserts.

>
> regards, tom lane
>
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Cédric Villemain
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