On Thu, Oct 27, 2011 at 09:46:11AM -0300, Martin Dobias wrote: > On Thu, Oct 27, 2011 at 5:28 AM, Nathan Woodrow <[email protected]> wrote: > > Thanks Andreas. Glad you like it. > >>> Question 1: the output preview of the label does not seem to work when I > >>> use a field - is there something I need to >>do to enable it? I would > >>> expect > >>> it to pull in the first record or some random record to retrieve values? > > > > Ah yes there seems to be a bug with grabbing the first record with some data > > sources. I get the top feature using layer.featureAt(0) but for some reason > > not all providers return a record at this index. Writing a patch now. > > That is because not all data providers use ids in interval [0,N-1]. > For example, postgres provider uses the column with primary key as ID > - so the values may be arbitrary. It is better to do a select() > followed by just one nextFeature().
Would it make sense to abstract provider-specific IDs so that the [0, N-1] range holds for everyone ? --strk; () Free GIS & Flash consultant/developer /\ http://strk.keybit.net/services.html _______________________________________________ Qgis-developer mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/qgis-developer
