Alan Roberto Romaniuc <romaniuc@klais.com.br> writes:
> Where I live, We have a numeric like ####,### , but postgres default
> is a dot (like ####.###).
> How can I change that?
I believe the output of to_char() is locale-dependent. The regular
display is not (and shouldn't be, IMHO, because it would make
dump/reload too chancy).
regards, tom lane