makepolygon - Linestring TEXT interiors
:memory: #use in-memory database
SELECT ST_MakePolygon(GeomFromText('LINESTRING(1 1, 1 20, 20 20, 20 1, 1 1)', 4326), 'alpha');
1 # rows (not including the header row)
1 # columns
ST_MakePolygon(GeomFromText('LINESTRING(1 1, 1 20, 20 20, 20 1, 1 1)', 4326), 'alpha');
(NULL)