inspect your cast functions with:
create view showcasts as
select t.typname as source, t1.typname as target, p.proname as function,
(select case when c.castcontext = 'e'
then 'Must use Explicit Cast'
else ( select case when c.castcontext = 'i'
then 'Implicit cast for expressions and assignments'
else 'Implicit cast only for assignments'
end)
end ) as casttype
from pg_cast c, pg_type t, pg_type t1, pg_proc p
where c.castsource = t.oid and
c.casttarget = t1.oid and
c.castfunc = p.oid;
Un saludo.
Mauricio Fernandez A.
Ingeniero de Sistemas
Universidad Autonoma de Manizales
[EMAIL PROTECTED]
-----Mensaje original-----
De: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] nombre de Bruno Wolff III
Enviado el: viernes, 22 de julio de 2005 19:30
Para: [EMAIL PROTECTED]
CC: pgsql-sql@postgresql.org
Asunto: Re: [SQL] Convert numeric to money
On Fri, Jul 22, 2005 at 11:03:40 -0300,
[EMAIL PROTECTED] wrote:
> Hi.
> I have searched in mailing-list archives about converting types, but I
couldn't
> found a function or clause that convert a numeric type to money type.
> How Can I convert this types?
>
> => select '1234'::money;
> money
> ------------
> R$1.234,00
>
> => select '1234'::numeric::money;
> ERROR: cannot cast type numeric to money
>
> The problem is becouse I have a table with "numeric" field, and I need to
show
> it like "money" type (R$ 1.234,00). Is there a function to convert it???
Or is
> there a function to mask the numeric field to show like money (with
> R$x.xxx,xx)???
You probably want to use to_char to convert the numeric value to a string
which can be displayed.
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