Hi,

I was trying to dissolve some buffers based on a attribute in a shapefile and 
faced something weird.


I do the dissolve with ogr2ogr command line:

ogr2ogr coverage_dissolve.shp coverage.shp -dialect sqlite -sql "SELECT 
ST_Union(geometry), type FROM coverage GROUP BY type"


This works fine with GDAL 1.10.0, but when I try to do the same thing with GDAL 
2.2.2, nothing happens...


Is there a another way of doing SQL commands in gdal 2.2.2 or am I missing 
something else?


Thanks


LP
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