[GRASS-user] Attribute table disappears

[Markus Neteler]

On Tue, Sep 4, 2012 at 1:10 AM, david adam <david at quercus.org> wrote:
> I had a simple attribute table working using the sqlite driver, and had
> successfully digitized a dozen or so areas in a couple of sessions.  Now the
> table has disappeared according to various tools.

Could you please post what you tried and what these tools responded?

And could you look into your sqlite.db with "sqlitemanager" or likewise
to verify its content?

>  I have only one layer in
> my map area.  when I try to add a table so I can rebuild my data, addtable
> complains that there is already a link to a table from layer 1,

Please post the output of
v.db.connect -p yourmap
v.info -c yourmap

> so I cannot
> start over.  Any suggestions for how to proceed (and how to avoid this in
> the future) would be appreciated.
> Version is 6.4.2 under fedora 16 64-bit.

[GRASS 6.4.3 will come with an improved SQLite backend, however, I
 am surprised that a table would disappear in 6.4.2]

Markus