[GRASS5] SQL support/DB backends

Wolf Bergenheim wolf+grass at bergenheim.net
Tue Nov 15 08:28:47 EST 2005


On 11/15/2005 02:45 PM, Markus Neteler wrote:
> Hi Daniel, all
> 
> I have polished the examples (CSS) of
> lib/db/sqlp/description.html
> and was thinking about the limitations stated there.
> 
> Am I wrong that the limitations only apply to the
> DBF driver? Once I use Postgresql etc, shouldn't I
> get full SQL support such as provided by the DB backend?
> 

Yes. If you use SQLite or Postgres you will get the full power of SQL to
the db.* commands, since they pass the SQL to the DB backend. Atleast I
was able to do all kinds of nice avg, stddev etc when I used SQLite.

> If so, we should modify above page. If not so, we
> should also clarify it :-)

So we should modify it.

--W




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