Re: [HACKERS] Datatype MONEY

On Mon, 13 Dec 1999, Jan Wieck wrote:

> text *numeric_to_char(Numeric num, format text)
> {
> char *numstr;
> int32 scale;
>
> ... /* calculate the wanted number of digits */
> ... /* after DP in scale depending on format */
>
> numstr = numeric_out(numeric_round(num, scale));
> }
>
> There will be "scale" number of digits after the DP, which is
> missing if scale is zero. The value will be correct rouded
> and/or zero padded at the end.
>
> Wouldn't that be enough for you?

My answer :-)

test=> select numeric_to_char(545454.98, '"der Preis: "L999G999D99');
numeric_to_char
------------------------
der Preis: DM 545.454,98
(1 row)

> Well, you must work on the string only and cannot read it
> into a float internally, but with the above preprocessing, it
> should be fairly simple.

Yes, I good understend your previous letter(s). Formatting routine in
to_char() is independent on datetype and for all use string.

(IMHO numeric is very interesting type and not has 16-decimal limitation as
float8, it is good, good, good...

Again Thank!
Karel

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