[GRASS-dev] How to calculate log() in v.db.update with SQLite backend?
wenzeslaus at gmail.com
Wed Nov 19 10:12:08 PST 2014
On Wed, Nov 19, 2014 at 12:59 PM, Markus Neteler <neteler at osgeo.org> wrote:
> DBMI-SQLite driver error:
> Error in sqlite3_step():
> not authorized
> ERROR: Error while executing: 'SELECT
> Traceback (most recent call last):
> Process ended with non-zero return code 1. See errors in the (error)
> No idea what's disliked here in:
> UPDATE meuse_voronoi SET logzinc=log(zinc);
> Any hints?
Loading user defined function is not considered completely safe, so it is
disabled by default. I think this is not an issue for GRASS GIS.
You have to enable it somehow. It seems that enable_load_extension() is the
This probably have to go the C code.
Hope that helps,
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