I want to update a column with the value of another column. I am using v.db.update.
The docs say that I can update a column with the value of another column by specifying that column in the value field. In fact, if I put the names of numeric columns, this works fine (e.g., v.db.update map=myvector layer=1 column=summary value=col3 + col4). But if I do something like this for a string column, I simply get the string of the name of the column (e.g., v.db.update map=myvector layer=1 column=summary value=col5 put "col5" into the summary column, NOT the strings that are STORED in col5). Are the docs wrong or is this a bug? I'm working with GRASS 7 Michael _____________________ C. Michael Barton Visiting Scientist, Integrated Science Program National Center for Atmospheric Research & University Consortium for Atmospheric Research 303-497-2889 (voice) Director, Center for Social Dynamics & Complexity Professor of Anthropology, School of Human Evolution & Social Change Arizona State University www: http://www.public.asu.edu/~cmbarton, http://csdc.asu.edu<http://csdc.asu.edu/>
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