row = my_phones.find(lambda r: r.id == 3)[0] Note, .find() is a Python function, so this will indeed iterate over the rows of my_phones. If my_phones is large, it may actually be more efficient to simply issue a separate query to the database to retrieve that one record.
Anthony On Saturday, April 19, 2014 4:12:13 PM UTC-4, Kurt Jensen wrote: > How can I get a row from a DAL object if I know the associated id. > > Example: > > my_phones=db((db.prof_phone.pid==person_id)&(db.prof_phone.provider>1)). > select(db.prof_phone.ALL,db.provider.edomain, > left=db.provider.on(db.provider.id==db.prof_phone.provider),orderby > =db.prof_phone.label) > > Which gets me this object: > my_phones : > prof_phone.id prof_phone.label prof_phone.phone prof_phone.provider > provider.edomain > 2 Cell (360) 123-9876 2 > vmobl.com<http://www.google.com/url?q=http%3A%2F%2Fvmobl.com&sa=D&sntz=1&usg=AFQjCNFj8FM0kyhXWRSIG9qTH4q3sJTFPA> > 3 Wife Cell (360) 123-4567 2 > vmobl.com > > Now I want the data from the second row of the object which I know has the > prof_phone.id of 3. > > Like: Wife Cell, (360) 123-4567, vmobl.com > > How do I get that data out of the object without iterating over eveything? > > -- Resources: - http://web2py.com - http://web2py.com/book (Documentation) - http://github.com/web2py/web2py (Source code) - https://code.google.com/p/web2py/issues/list (Report Issues) --- You received this message because you are subscribed to the Google Groups "web2py-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to web2py+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
