[web2py] Re: Check for a value in a table

[lcamara]

There are lots of better ways, one would be:

count_value = db(db.table.fieldname == value)..count()
if not count_value:
    # Value isn't in db do something

Terça-feira, 18 de Setembro de 2012 11:36:11 UTC+1, Hassan Alnatour 
escreveu:
>
> Dear ALL ,
>
> How can a check if a value for a Field in a table , now in this i do this 
>
> values = []
> for i in db().select(db.table.ALL): 
>    values.append(i.Field)
>
> then i check like this :
>   if i in values:
>       . .........
>
>
> Is there a better way to do this ??
>
> Best Regards,
>
>

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