Thanks Anthony and Massimo. It all works now! On Thursday, 27 June 2013 00:42:26 UTC+8, Anthony wrote: > > 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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