Обсуждение: BCD format

Hi all !
I have to create a table with a BCD formatted field.
Can Postrgresql to support this field's type or I have to insert it in binary
mode???

Thanks and happy new year to all !!!

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stefari@tiscali.it wrote:

>Hi all !
>I have to create a table with a BCD formatted field.
>Can Postrgresql to support this field's type or I have to insert it in binary
>mode???
>
>
I do not believe PostgreSQL supports BCD by default. However
you could created your own type.

Sincerely,

Joshua D. Drake


>Thanks and happy new year to all !!!
>
>__________________________________________________________________
>Tiscali Adsl 2 Mega Free: l'adsl piu' veloce e' gratis!
>Naviga libero dai costi fissi con Tiscali Adsl 2 Mega Free, l'adsl Free
>piu' veloce in Italia. In piu', se ti abboni entro il 7 gennaio 2005,
>navighi gratis fino al 31 marzo. E il costo di adesione e' GRATIS.
>http://abbonati.tiscali.it/adsl/
>
>
>
>
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Consider using numeric type.
Like BCD, it will perform exact decimal arithmetic.

-----Original Message-----
From: pgsql-general-owner@postgresql.org
[mailto:pgsql-general-owner@postgresql.org] On Behalf Of
stefari@tiscali.it
Sent: Wednesday, December 29, 2004 7:32 AM
To: pgsql-general@postgresql.org
Subject: [GENERAL] BCD format

Hi all !
I have to create a table with a BCD formatted field.
Can Postrgresql to support this field's type or I have to insert it in
binary
mode???

Thanks and happy new year to all !!!

__________________________________________________________________
Tiscali Adsl 2 Mega Free: l'adsl piu' veloce e' gratis!
Naviga libero dai costi fissi con Tiscali Adsl 2 Mega Free, l'adsl Free
piu' veloce in Italia. In piu', se ti abboni entro il 7 gennaio 2005,
navighi gratis fino al 31 marzo. E il costo di adesione e' GRATIS.
http://abbonati.tiscali.it/adsl/




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TIP 7: don't forget to increase your free space map settings

stefari@tiscali.it wrote:
> Hi all !
> I have to create a table with a BCD formatted field.
> Can Postrgresql to support this field's type or I have to insert it in binary
> mode???

Have you considered using a NUMERIC field instead?  That supports
exact fixed point arithmetic, much like BCD.

And I don't think that C compilers commonly support a BCD type, so if
you emulated it, you'd be left doing quite a lot of work to make a
type that wouldn't be terribly efficient.
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