Re: simple limit of decimals

2009/1/14 A. Kretschmer <andreas.kretschmer@schollglas.com>:
> In response to pere roca :
>>
>>   dear Andreas,
>>
>>   thanks for the answer; yes, round should be the first, but it gives an
>> error:  Function round(real, integer) does not exists
>
> UPDATE point_pol SET taxa_record = round(((SELECT ((CASE WHEN numtax>0
> THEN numtax/numreg ELSE 1 END)))::numeric,2) ...
>

An example of triki round:

postgres=# select round((9.88888::real)::numeric,2);
 round
-------
  9.89
(1 row)

postgres=#



> sorry, my fault, i forgot the CAST.
>
>
> Andreas
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> Andreas Kretschmer
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 Postgresql Support & Admin