Hi functionalities like sqrt() or log() are not available in base SQLite, then you have to install an extension
See v.db.update manual page and this wiki: https://grasswiki.osgeo.org/wiki/Build_SQLite_extension_on_Linux HTH, Vero El vie., 8 mar. 2019 05:22, Frank David <frank.da...@geophom.fr> escribió: > Hello, > > How Is it possible to calculate a sqrt from attribut fields to fill > another field, like : > > v.db.update map=myvector column=field2 query_column=sqrt(field1) > > Or is there any trick ? > > Thank you > > Frank > _______________________________________________ > grass-user mailing list > grass-user@lists.osgeo.org > https://lists.osgeo.org/mailman/listinfo/grass-user
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