Hi Régis, I used the time I had while doing an exam supervision today to investigate this. If you have the possibility to validate the pull request, that would be great.
https://github.com/qgis/QGIS/pull/2207 Cheers, Matthias On 07/09/2015 04:03 PM, Régis Haubourg wrote: > Hi all, > > we discovered quite a nasty issue here, probably here for a long time but I > could'nt reproduce it correctly before. > > With postgis tables or views, when numeric fields (tested with int, real and > numeric) bears null values, and also 0 values, NULLs and zeroes are mixed > randomly, at some zoom or pan levels only! > > we got aware of this because of rendering rules : > -With categorized renderer, styling and labeing change, which is more than > weird. > -With graduated renderer, features simply disappear because NULL values > can't be rendered in a class because it requires numeric values. > > But that seems to come from provider since we have a nice effect on > attribute table: > -We clearly see those value changes in attribute tables > -When filtering attribute table on visible features in mapcanvas extent, > those renderer with NULL just don't appear! > > > See the video here : http://youtu.be/kDip8wEeXxU?hd=1 > <http://youtu.be/kDip8wEeXxU?hd=1> > > reproduced on 2.8.2 too, but not on 2.6.1. > > Not putting it as a blocker, because it seems a rare use case, but certainly > a "must fix", and probably deserves backports. > > Cheers > > Régis > > Ticket will be filed, when redmine will be fixed ;-) > > > > -- > View this message in context: > http://osgeo-org.1560.x6.nabble.com/NULL-and-zeroes-get-mixed-in-postgis-provider-tp5215064.html > Sent from the Quantum GIS - Developer mailing list archive at Nabble.com. > _______________________________________________ > Qgis-developer mailing list > Qgis-developer@lists.osgeo.org > http://lists.osgeo.org/mailman/listinfo/qgis-developer _______________________________________________ Qgis-developer mailing list Qgis-developer@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-developer
