A B wrote on 18.01.2009 22:43:
> From the docs: http://www.postgresql.org/docs/8.3/interactive/sql-update.html
>
> "According to the standard, the column-list syntax should allow a list
> of columns to be assigned from a single row-valued expression, such as
> a sub-select:
> UPDATE accounts SET (contact_last_name, contact_first_name) =
> (SELECT last_name, first_name FROM salesmen
> WHERE salesmen.id = accounts.sales_id);
> This is not currently implemented — the source must be a list of
> independent expressions."
>
> Is this feature going into postgresql any day soon? :-)
>
It's on the TODO list:
http://wiki.postgresql.org/wiki/Todo#UPDATE