| From: | "A(dot) Kretschmer" <andreas(dot)kretschmer(at)schollglas(dot)com> |
|---|---|
| To: | pgsql-general(at)postgresql(dot)org |
| Subject: | Re: simple limit of decimals |
| Date: | 2009-01-14 12:59:48 |
| Message-ID: | 20090114125948.GE30398@a-kretschmer.de |
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| Thread: | |
| Lists: | 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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