Steven,
Remove the group by and it will ignore the attributes.
ogr2ogr output.shp input.shp -dialect sqlite -sql "SELECT
ST_Union(geometry) FROM input"
Regards
Luke
Steven Lutz wrote
> ...
> this is what I've come up with:
>
> |ogr2ogr output.shp input.shp -dialect sqlite -sql
> "SELECT ST_Union(geometry), dissolve_field FROM input GROUP BY
> dissolve_field"|
>
> it looks to me that it is trying to do this operation based on specific
> attribute entries but I'm looking to ignore the attribute entrie and
> make all features into one.
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