Gordon Burditt wrote:
> [...stuff snipped...]
>
> MySQL permits (but it's not standard, and available in MySQL 4.1.0
> and later):
>
> INSERT INTO my.table (somefield) VALUES ('$someval') ON DUPLICATE
> KEY UPDATE somefield = '$someval';
>
> This is very useful for times when you want to count something (e.g.
> SPAM), and if a record doesn't exist, make one with a count of 1.
>
> I don't know whether something similar is available in PostGres.
>
> Gordon L. Burditt
In Postgres you'd probably create a server-side function to get that
effect.