I have a function that's working for what I needed it to do, but now I need to call it for every id in a different table... and I'm not sure what the syntax should be.
Here is an example:
create or replace function test(uid integer, out vhrs integer, out phrs integer, out fhrs integer)
returns setof record as $$
begin
vhrs := uid + 1;
phrs := uid + 2;
fhrs := uid + 3;
return next;
end;
$$ language 'plpgsql';
I currently use it once, I know the id, and just call:
select * from test(42);
all is well.
But now I need to call it for every record in my employee table.
I tried:
select id, vhrs, phrs, fhrs
from employee, test(id)
I also tried an inner join, but neither work. Any hints how I might do this?
# select id, test(id) from ids;
id | test
----+---------
1 | (2,3,4)
2 | (3,4,5)
3 | (4,5,6)
(3 rows)
is this what you want? if not, maybe
# select id, (select vhrs from test(id)) as vhrs, (select phrs from test(id)) as phrs, (select fhrs from test(id)) as fhrs from ids;
note: declare your function volatility - see http://www.postgresql.org/docs/8.4/static/xfunc-volatility.html
note: in above example, a VIEW would be enough.
id | test
----+---------
1 | (2,3,4)
2 | (3,4,5)
3 | (4,5,6)
(3 rows)
is this what you want? if not, maybe
# select id, (select vhrs from test(id)) as vhrs, (select phrs from test(id)) as phrs, (select fhrs from test(id)) as fhrs from ids;
note: declare your function volatility - see http://www.postgresql.org/docs/8.4/static/xfunc-volatility.html
note: in above example, a VIEW would be enough.
--
Filip Rembiałkowski
JID,mailto:filip.rembialkowski@xxxxxxxxx
http://filip.rembialkowski.net/
