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(). Martin _______________________________________________ Qgis-developer mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/qgis-developer
