text: -- an example query
  
  CREATE TABLE geometries (name varchar, geom geometry);
  
  INSERT INTO geometries VALUES
      ('Point', 'POINT(0 0)'),
      ('Linestring', 'LINESTRING(0 0, 1 1, 2 1, 2 2)'),
      ('Polygon', 'POLYGON((0 0, 1 0, 1 1, 0 1, 0 1, 0 0))');
  
  SELECT name, ST_AsText(geom) FROM geometries;