2014/1/24 Andreas Neumann <a.neum...@carto.net> > Hi, > > I have problems with NULL values and GetFeatureInfo requests. They > appear as "0" if the data-type is numeric, instead of "NULL" or an empty > string. >
It is probably unrelated, but I've found a similar problem handling empty values, it seems like in several parts of the core, QString.isEmpty is tested instead of QString.isNull. I mean, at least for request parameters, they should be trated as three-state: (null, empty string and a string with not-zero length). I've opened a bug for this and I've patched the core but I don't even dare to propose a PR since it touches the innermost features of QGIS core. this is the ticket http://hub.qgis.org/issues/9321 -- Alessandro Pasotti w3: www.itopen.it
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