Re: How import big amounts of data?

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От Arnau
Тема Re: How import big amounts of data?
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Msg-id 43B40C8F.6010100@andromeiberica.com
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Ответ на Re: How import big amounts of data?  (Teemu Torma <teemu@torma.org>)
Ответы Re: How import big amounts of data?  (Teemu Torma <teemu@torma.org>)
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>
> 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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