[Qgis-developer] editing expressions defining virtual fields seems erratic

[Andreas Neumann]

Hi Janneke,

Your build is a bit older than Matthias fix - please try again with 
tomorrow's nightly build or compile yourself.

Matthias fix is at 
https://github.com/qgis/QGIS/commit/c0214bc30148b7da272917d73afc1820b78c1d3e 
(7h ago) - your build is 22h old.

Greetings,
Andreas

On 16.05.2016 21:49, Janneke van Dijk wrote:
> Hi Mathias,
> I've tried installing the dev version and I think that that worked 
> (this is what 'about' shows).
>
> QGIS version
>
> 	
>
> 2.15.0-Master
>
> 	
>
> QGIS code revision
>
> 	
>
> 3d44a1e <https://github.com/qgis/QGIS/commit/3d44a1e>
>
> Compiled against Qt
>
> 	
>
> 4.8.5
>
> 	
>
> Running against Qt
>
> 	
>
> 4.8.5
>
> Compiled against GDAL/OGR
>
> 	
>
> 2.0.2
>
> 	
>
> Running against GDAL/OGR
>
> 	
>
> 2.0.2
>
> Compiled against GEOS
>
> 	
>
> 3.5.0-CAPI-1.9.0
>
> 	
>
> Running against GEOS
>
> 	
>
> 3.5.0-CAPI-1.9.0 r4084
>
> PostgreSQL Client Version
>
> 	
>
> 9.2.4
>
> 	
>
> SpatiaLite Version
>
> 	
>
> 4.3.0
>
> QWT Version
>
> 	
>
> 5.2.3
>
> 	
>
> PROJ.4 Version
>
> 	
>
> 492
>
> QScintilla2 Version
>
> 	
>
> 2.7.2
>
> 	
>
> This copy of QGIS writes debugging output.
>
>
> I started with a new project, added the tst shapefile again, repeated 
> the process of adding the virtual fields. The problem persists. Am I 
> overlooking something?
> Thanks for your help!
> Janneke
>
> On 16/05/2016 16:05, Matthias Kuhn wrote:
>>
>>
>> On 05/16/2016 01:24 PM, Janneke van Dijk wrote:
>>> Dear list,
>>>
>>> In a polygon shapefile I'm seeing inconstistent behaviour in virtual 
>>> fields. The attached project and shapefile has reduced it to it's 
>>> simplest form: the shapefile contains two virtual fields, the first 
>>> one containing the expression 1 (integer) and the second the 
>>> expression 2 (integer). However, when I want to edit the expression 
>>> for the fields, the first field does not give a problem. For the 
>>> second field I click on the 'expression' to open the expression 
>>> builder, but the expression shown in the expression builder equals 
>>> 1. I have not been able to find any pattern in when it happens/for 
>>> what type of expressions. This example is the most simple form of 
>>> the unexpected behaviour, but I have seen it with more complicated 
>>> expressions as well. Sometimes after trying to edit one of these 
>>> 'erratic' expressions QGIS closes with a minidump being written 
>>> error message. Again, not always.
>>>
>>> Anyone have any idea why this might happen and how to work around it?
>> Fixed in master
>>>
>>> Looking forward to some thoughts...
>>> Janneke
>>>
>>>
>
>
>
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