[QGIS-trac] Re: [Quantum GIS] #1462: PostGIS layer loaded via Python is not saved correct in qgs project file

[Quantum GIS]

#1462: PostGIS layer loaded via Python is not saved correct in qgs project file
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        Reporter:  hdus                                       |         Owner:  jef          
            Type:  bug                                        |        Status:  new          
        Priority:  critical: causes crash or data corruption  |     Milestone:  Version 1.0.0
       Component:  Project Loading / Saving                   |       Version:  HEAD         
      Resolution:                                             |      Keywords:               
Platform_version:                                             |      Platform:  All          
        Must_fix:  No                                         |   Status_info:  0            
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Comment (by jef):

 I tried to run your code in the python console.  When try to save I get

 {{{
 NotImplementedError: QgsVectorLayer.writeSymbology() is abstract and must
 be overridden
 }}}

 I still need to investigate why there's python code fired at all at that
 point, but if I replace

 {{{
 vlayer = QgsVectorLayer(uri.uri(), layerName, "postgres")
 QgsMapLayerRegistry.instance().addMapLayer(vlayer)
 }}}

 with

 {{{
 iface.addVectorLayer(uri.uri(), layerName, "postgres")
 }}}

 everything is fine again.

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Ticket URL: <http://trac.osgeo.org/qgis/ticket/1462#comment:1>
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