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'UPDATE OR INSERT' command - Mailing list pgsql-sql

From Jeff Kowalczyk
Subject 'UPDATE OR INSERT' command
Date
Msg-id pan.2004.07.15.18.20.54.67962@yahoo.com
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Responses Re: 'UPDATE OR INSERT' command  (Bruno Wolff III <bruno@wolff.to>)
Re: 'UPDATE OR INSERT' command  (Stephen Frost <sfrost@snowman.net>)
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Is there a postgresql SQL idiom to perform an UPDATE, which becomes an
INSERT if the primary key does not exist?

I'm not sure I *should* use it in my application, I just want to know if
it can be done. Thanks.

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