From: Arnau <arnaulist@andromeiberica.com>
To: Teemu Torma <teemu@torma.org>
Cc: pgsql-performance@postgresql.org
Subject: Re: How import big amounts of data?
Date: Thu, 29 Dec 2005 17:19:27 +0100
Message-ID: <43B40C8F.6010100@andromeiberica.com> (raw)
In-Reply-To: <200512291541.05739.teemu@torma.org>
References: <43B3B0EA.6070406@andromeiberica.com>
<200512291541.05739.teemu@torma.org>
>
> I am doing twice as big imports daily, and found the follwing method
> most efficient (other than using copy):
>
> - Use plpgsql function to do the actual insert (or update/insert if
> needed).
>
> - Inside a transaction, execute SELECT statements with maximum possible
> number of insert function calls in one go. This minimizes the number
> of round trips between the client and the server.
Thanks Teemu! could you paste an example of one of those functions? ;-)
An example of those SELECTS also would be great, I'm not sure I have
completly understood what you mean.
--
Arnau
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To: pgsql-performance@postgresql.org
Cc: arnaulist@andromeiberica.com, teemu@torma.org
Subject: Re: How import big amounts of data?
In-Reply-To: <43B40C8F.6010100@andromeiberica.com>
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