Laurenz Albe wrote:
> You have been ordered to use a partial index?
>
> > Apart from this I don't really understand why statement preparation
> > combined with parameters in functions prevent index invocation.
> > Especially since p_id_user is a parameter as well which doesn't
> > prevent the us
> > Rogatzki wrote:
> > -- Example with bad performance since index isn't used
> > explain
> > select c.id_country, sum(c.cost) as sum_cost
> > from costs c, accounting_interval a
> > where c.id_user = 123
> > and c.id_state = 1
> > and a.id = 1
> > and date(c.request) between a.p_
> Rogatzki Rainer wrote:
> > I'm having problems with the following bad performing
select-statement
> > in a trigger-function (on update before):
> >
> > ...
> > for c in
> > select id_country, sum(cost) as sum_cost
> > from c
Hello,
I'm having problems with the following bad performing select-statement
in a trigger-function (on update before):
...
for c in
select id_country, sum(cost) as sum_cost
from costs
where id_user = p_id_user
and id_state = 1
and date(request) between p_begin and p_until
