Dear Markus,
it works using sqlite as database provider both in GRASS 6.4.4 and GRASS
7.0.0 R.C.2,
i was not aware that GRASS overrides the sqlite limitation "cannot drop
column", really a nice feature to have,
thank you very much,
Roy.
Il 14/02/2015 17.44, Markus Neteler ha scritto:
On Sat, Feb 14, 2015 at 4:00 PM, Roy <[email protected]> wrote:
grass.run_command('v.extract', input='idro', output='canal_idro', where='des
= canal', overwrite='True')
#################################################################################
maybe i'm missing the correct sintiax of the "where" clause because i only
get a buffer overflow as result,
You need to quote the text string "canal", i.e. where='des = "canal"'
Here a NC dataset example
grass.run_command('v.extract', input='roadsmajor', output='nc55',
where='ROAD_NAME = "NC-55"', overwrite='True')
HTH,
Markus
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