Minimal PostGIS example

postgis_example.sql

/*
Minimal example used to test that PostGIS extention is installed on Postgres.
Run with: psql -U $USERNAME -d $GEODB -p $PORT -f postgis_example.sql
Should return:
'''
 id |   geometry
----+--------------
  2 | POINT(30 30)
(1 row)
'''
*/

CREATE TABLE test_pt
(
	id 	SERIAL PRIMARY KEY,
	geom 	GEOMETRY
);

CREATE TABLE test_poly
(
	id 	SERIAL PRIMARY KEY,
	geom 	GEOMETRY
);

INSERT INTO test_pt(geom) VALUES ('POINT (0 0)'), ('POINT (30 30)');

INSERT INTO test_poly(geom) VALUES ('POLYGON ((30 10, 40 40, 20 40, 10 20, 30 10))');

SELECT test_pt.id, ST_AsText(test_pt.geom) FROM test_pt, test_poly WHERE ST_Intersects(test_pt.geom, test_poly.geom);

DROP TABLE test_pt, test_poly;