On 19/11/12 11:42, Nikos Alexandris wrote:
Hi all!
Using "v.db.dropcolumn" within from latest "grass_trunk",
I wonder why the "layer" parameter in "v.db.dropcolumn" is required to be a
string as stated in an error message while trying to run a py-grass script:
--%<---
File "/geo/osgeo/src/grass_trunk/dist.x86_64-unknown-linux-
gnu/etc/python/grass/pygrass/modules/__init__.py", line 466, in __call__
self.inputs[key].value = val
File "/geo/osgeo/src/grass_trunk/dist.x86_64-unknown-linux-
gnu/etc/python/grass/pygrass/modules/__init__.py", line 182, in _set_value
raise TypeError(str_err % (self.name, self.typedesc, type(value)))
TypeError: The Parameter<layer>, require: string, get:<type 'int'> instead
-->%---
Shouldn't the "layer" parameter be simply an integer?
In GRASS7 you can name layers, which is used particularly for the direct
OGR access. As the man page for v.db.dropcolumn says:
"layer=string [required]
Layer number or name
A single vector map can be connected to multiple database tables.
This number determines which table to use. When used with direct
OGR access this is the layer name."
Moritz
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