Re: batch inserts in python & libpq - Mailing list pgsql-general

From Sam Mason
Subject Re: batch inserts in python & libpq
Date
Msg-id 20090807135520.GF5407@samason.me.uk
Whole thread Raw
In response to batch inserts in python & libpq  (Scara Maccai <m_lists@yahoo.it>)
List pgsql-general
On Fri, Aug 07, 2009 at 01:37:08PM +0000, Scara Maccai wrote:
> using Java I'm able to get a 10000 inserts/sec on our server using
> batch updates (using preparedStatement.addBatch()).

I'd probably generate SQL that looks somewhat like the following:

  UPDATE foo f SET v = x.v
    FROM (VALUES (1,'hi'), (2,'bye')) x(i,v)
    WHERE f.id = x.i;

The "best" solution depends on the details of the problem though!

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

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