Re: bulk inserts

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От Sam Mason
Тема Re: bulk inserts
Дата
Msg-id 20090929160437.GQ5407@samason.me.uk
обсуждение исходный текст
Ответ на Re: bulk inserts  (Alan Hodgson <ahodgson@simkin.ca>)
Ответы Re: bulk inserts  (Alan Hodgson <ahodgson@simkin.ca>)
Re: bulk inserts  (Tom Lane <tgl@sss.pgh.pa.us>)
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On Tue, Sep 29, 2009 at 08:45:55AM -0700, Alan Hodgson wrote:
> On Tuesday 29 September 2009, Sam Mason <sam@samason.me.uk> wrote:
> > it's faster is because
> > parsing CSV data is easier than parsing SQL.
> >
> > At least I think that's the only difference; anybody know better?
>
> I think a big reason is also that the client can stream the data without
> waiting for a network round trip ack on every statement.

I don't think so.  I'm pretty sure you can send multiple statements in a
single round trip.  libpq is defined to work in such cases anyway:

  http://www.postgresql.org/docs/current/static/libpq-exec.html

--
  Sam  http://samason.me.uk/

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