from gluon.dal import Expression

Anthony

On Wednesday, June 26, 2013 11:53:34 AM UTC-4, Calvin wrote:
>
> Not sure why it says my previous reply has been deleted but here it is 
> again:
>
> Hi Massimo
>
>
> I am not familiar with the method you suggested but when I tried it, I got 
> the following error:
>
>
> print db(Expression(db,"business_view.loc && 
> ST_MakeEnvelope(42.179139323652443, 141.20906066894531, 42.307520083522473, 
> 143.34776306152344)")).select().as_list()
>
> NameError: global name 'Expression' is not defined
>
>
> In any case, in the non-working example that I tried, I was trying to use 
> the bounding box operator in postgis, which is not currently available in 
> the DAL... With the approach I suggested, I managed to get it to work 
> without issues.
>
>

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