On Fri, 27 Oct 2000, Warren Vanichuk wrote:
>
> Greetings.
>
> I am writting up a function in PL/pgSQL to automate a couple of multi-table
> updates, and I have a question.
>
> I need to check to see if the data is already in the database, and if it is,
> perform and update, or if it's not, perform an insert. The lookup is
> against a primary key, so I only have to worry about 1 or 0 rows being
> returned from the select statement.
>
> I attempted something like
>
> IF SELECT id FROM overview WHERE id = 100 ...
>
> but I get an 'error near SELECT' returned from the database.
declare foo record;
begin
select into foo * from overview...
if not found
insert...
else ...
end if;
end;
