[gdal-dev] GML duplicated FID

[jratike80]

Hi,

It would be interesting to know how you manage to generate duplicate fids
with Geoserver but perhaps it is better to discuss about that in
geoserver-users.

-Jukka Rahkonen-


Martin Landa wrote
> Hi all,
> 
> I have an issue with GML generated by GeoServer. There are features
> with duplicated FID:
> 
> ```
> OGRFeature(lucas_view):36
>   gml_id (String) = lucas_view.fid--269ff1b9_177af2abc34_-36e6
>   point_id (Integer) = 45502976
>   nuts0 (String) = CZ
>   POINT (4550000 2976000)
> OGRFeature(lucas_view):36
>   gml_id (String) = lucas_view.fid--269ff1b9_177af2abc34_-36e5
>   point_id (Integer) = 45542918
>   nuts0 (String) = CZ
>   POINT (4554000 2918000)
> ```
> 
> This is a reason why converting such data into GPKG (using
> CopyLayer()) fails with:
> 
> ```
> ERROR 1: failed to execute insert : UNIQUE constraint failed: layer.fid
> ```
> 
> Is there any way to force the GML driver to generate a unique FID
> instead of guessing from  gml_id?
> 
> Thanks in advance, Martin
> 
> -- 
> Martin Landa
> http://geo.fsv.cvut.cz/gwiki/Landa
> http://gismentors.cz/mentors/landa
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