Re: simple limit of decimals - Mailing list pgsql-general

From A. Kretschmer
Subject Re: simple limit of decimals
Date
Msg-id 20090114125948.GE30398@a-kretschmer.de
Whole thread Raw
In response to simple limit of decimals  (pere roca <peroc79@gmail.com>)
Responses Re: simple limit of decimals
List pgsql-general
In response to pere roca :
>
> hi all,
>
> I update a column based on a division over two real values. It causes a huge
> number of decimals that I wanna to limit.
>
> UPDATE point_pol SET taxa_record = ((SELECT ((CASE WHEN numtax>0 THEN
> numtax/numreg ELSE 1 END))) where userid='hello'
>
> taxa_record values are  real and with real I cannot limit the decimals.
> I tried to apply a round in the sql sentence but complains that  round must
> be applied to a single value each time.

Tray:

UPDATE point_pol SET taxa_record = round(((SELECT ((CASE WHEN numtax>0
THEN numtax/numreg ELSE 1 END))),2) ...


to round to 2 decimal places.


Andreas
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Andreas Kretschmer
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