[GRASS-user] v.dissolve - is this a bug?

[Nikos Alexandris]

Richard Chirgwin:

> > In running v.dissolve within a script, I am getting an intermittent
> > failure:
> > 
> > ERROR: key column must be integer or string
> > 
> > Here's the script spot that fails (but only sometimes)
> > 
> > v.db.addtable MAP
> > v.db.addcol MAP columns="Dissolve int"

Markus N:
 
> At this point, please run
> v.info -c MAP
 
> and report here.
 
> > v.db.update MAP column=Dissolve value=1
> > v.dissolve MAP output=DISSOLVE column=Dissolve

> > The killer is that it isn't reliable - sometimes it works, sometimes it
> > fails, and I can't tell why!

> Always on the same machine, the same binary and the same map?

Markus, Richard,

in the past I witnessed some strange randomness myself. Can't find the post 
anymore (where Markus was referring to Heisenberg or someone's 
uncertainty theory?).

Cheers, Nikos