[GRASS-user] empty values from v.what.vect

Markus Neteler neteler at osgeo.org
Tue Jul 23 14:35:29 PDT 2013

On Thu, Jul 4, 2013 at 10:21 AM, manuel.martin
<manuel.martin at orleans.inra.fr> wrote:
> Dear all,
> i am using the d.what.vect function in order to update the "smu" field of
> the attribute table of a vector map named "rmqs_to_million", from the values
> of the field "SMU" of the third layer (attribute table) of a vector map
> called "million".

What DB backend do you use? You see that with:

v.db.connect -p rmqs_to_million

> The type of both the smu and the SMU fieds is integer
> But when I look at the rmqs_to_million attribute table, the smu field is
> empty.

I suspect that the used DB backend does not distinguish between lower
and upper case. The best would be to rename one column.


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