PostgreSQL driver in GRASS

# example for connecting to a PostgreSQL server:
db.connect driver=pg database="host=myserver.itc.it,dbname=mydb"
db.login user=myname pass=secret
db.connect -p
db.tables -p

echo "
 ALTER TABLE mytable ADD ID integer;
 CREATE SEQUENCE mytable_seq;
 UPDATE mytabe SET ID = nextval('mytable_seq');
 DROP SEQUENCE mytable_seq;
" | db.execute

\h copy
COPY t1 FROM 'filename' USING DELIMITERS ',';

CREATE TABLE test
(
 id serial NOT NULL,
 mytime timestamp DEFAULT now(),
 text varchar,
 wkb_geometry geometry,
 CONSTRAINT test_pkey PRIMARY KEY (id)
) WITHOUT OIDS;

# insert value
INSERT INTO test (text, wkb_geometry)
 VALUES ('Name',geometryFromText('POLYGON((600000 200000,650000
 200000,650000 250000,600000 250000,600000 200000))',-1));

# register geometry column
select AddGeometryColumn ('postgis', 'test', 'geometry', -1, 'GEOMETRY', 2);

v.in.ogr dsn="PG:host=localhost dbname=postgis user=neteler" layer=test \
         output=test type=boundary,centroid
v.db.select test
v.info -t test