[GRASS-user] sqlite error using v.patch -a -e in GRASS 7.0

[Moritz Lennert]

On 13/06/12 13:38, Marti Christian wrote:
> All the maps I append have cat columns starting with a value of 1. As
> far as I understand, v.patch -e -a adds all the elements in the table
> of the map to be appended to the table of the patched map with new
> values for 'cat', so I do not understand how this possibly could not
> be unique.

I don't know where you got that idea, but AFAIK, v.patch does not touch 
category numbers. If you have a risk of overlapping category numbers, 
you have to run v.category before you can run v.patch.

Moritz