NAME
v.db.update - Allows to assign a new value to a column in the attribute table connected to a given map
KEYWORDS
vector, database, attribute table
SYNOPSIS
v.db.update
v.db.update help
v.db.update map=string [layer=integer] column=string value=string [where=string]
Parameters:
- map=string
- Vector map for which to edit attribute table
- layer=integer
- Layer where to add column
- Default: 1
- column=string
- Column to update
- value=string
- New value to assign to the column (varchar values have to be in single quotes, ex: 'grass')
- where=string
- Condition for update (everything after the 'where' sql statement; ex: cat=1 or col1/col2>1)
DESCRIPTION
v.db.update allows to assign a new value to a column in the
attribute table connected to a given map.
NOTES
v.db.update is just a front-end to db.execute to allow easier usage.
For complex SQL UPDATE statements, db.execute should be used.
SEE ALSO
db.execute,
v.db.addcol,
v.db.addtable,
v.db.connect,
v.db.droptable,
v.db.select
AUTHOR
Moritz Lennert (mlennert@club.worldonline.be)
Last changed: $Date: 2007/03/08 13:51:30 $
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