
# example for connecting to a PostgreSQL server: db.connect driver=pg database="host=myserver.osgeo.org,dbname=mydb" # password is asked interactively if not specified: db.login user=myname [pass=secret] db.connect -p db.tables -p
db.execute sql="ALTER TABLE mytable ADD ID integer"
db.execute sql="CREATE SEQUENCE mytable_seq"
db.execute sql="UPDATE mytable SET ID = nextval('mytable_seq')"
db.execute sql="DROP SEQUENCE mytable_seq"
\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
Database management in GRASS GIS
Help pages for database modules
SQL support in GRASS GIS
Last changed: $Date: 2012-09-12 06:22:50 -0700 (Wed, 12 Sep 2012) $