[GRASS5] [bug #2906] (grass) v.extract, v.overlay and database connection

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this bug's URL: http://intevation.de/rt/webrt?serial_num=2906
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Subject: v.extract, v.overlay and database connection

I have a vector map with a database connected, but when I do a query by 
atributes (v.extract) I loose this connection, I obtain a vectorial without 
database, and I want a new data base (smaller) for this new vectorial map, 
it is possible? I have tried to do v.db.connect after, I have tried also to 
do the connection in the internal files but without success...

With v.overlay I obtain a new data base (dbf) for the new map, but this dbf 
file do not have all the data (fields) of the original dbf... how can I 
obtain the same dbf table but only for the new vector map?

Thank you



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