Re: Precision and scale of numeric column reported as value

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От Alvaro Herrera
Тема Re: Precision and scale of numeric column reported as value
Дата
Msg-id 20050323212505.GB5487@dcc.uchile.cl
обсуждение исходный текст
Ответ на Re: Precision and scale of numeric column reported as value  (Sergio Lob <Sergio_Lob@iwaysoftware.com>)
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On Wed, Mar 23, 2005 at 04:13:22PM -0500, Sergio Lob wrote:
> Precision is the number of total digits in the number. Scale is the
> number of  fractional digits.
> For instance, a column defined as NUMERIC(10,3)  should return
> precision=10, scale=3. The error only occurs for a column defined as
> NUMERIC  (without precision or scale specified). Presumably, there is a
> default precision and scale assigned to the column by postgreSQL, which
> is not -1.

That assumption is wrong.  There is no default.

--
Alvaro Herrera (<alvherre[@]dcc.uchile.cl>)
"La primera ley de las demostraciones en vivo es: no trate de usar el sistema.
Escriba un guión que no toque nada para no causar daños." (Jakob Nielsen)

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