[gdal-dev] How to extract field domains from a gdb

[Even Rouault]

Hi,

I don't think we have a ready-made utility for that, so you'll have to 
write code using the field domain API: 
https://gdal.org/doxygen/classOGRCodedFieldDomain.html and 
https://gdal.org/doxygen/classGDALDataset.html#a64d001fa0fe53c6aa51e983ca14bad39

With GDAL master, it might also be easier to use the -json output of 
ogrinfo :

$ ogrinfo -json autotest/ogr/data/filegdb/Domains.gdb

[...}

   "domains":{
     "MedianType":{
       "description":"Road median types.",
       "type":"coded",
       "fieldType":"Integer",
       "fieldSubType":"Int16",
       "splitPolicy":"default value",
       "mergePolicy":"default value",
       "codedValues":{
         "0":"None",
         "1":"Cement"
       }
     },
     "RoadSurfaceType":{
       "description":"The road surface type",
       "type":"coded",
       "fieldType":"Integer",
       "splitPolicy":"default value",
       "mergePolicy":"default value",
       "codedValues":{
         "1":"Asphalt",
         "2":"Gravel",
         "3":"Oiled Sand",
         "4":"Dirt"
       }
     },
     "SpeedLimit":{
       "description":"The maximun speed of the road",
       "type":"range",
       "fieldType":"Integer",
       "fieldSubType":"Int16",
       "splitPolicy":"default value",
       "mergePolicy":"default value",
       "minValue":40,
       "minValueIncluded":true,
       "maxValue":100,
       "maxValueIncluded":true
     }
   },


I can be imagine that a "Save as" context menu entry in QGIS would be a 
cool enhancement.

Even


Le 17/01/2023 à 16:30, Totò Fiandaca a écrit :
> QGIS with gdal 3.6+ reads and writes gdb,
> how can I export field domains to dbf/csv tables?
>
> In the QGIS Browser I see the domains and I would like to export them 
> in tables with at least two fields: code, description
>
> -- 
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