ST_Area ST_Centroid ST_Circle ST_Contains ST_ConvexHull ST_Distance ST_Envelope ST_GeomFromGeoJSON ST_GeomFromWKB ST_GeomFromWKT ST_Intersection ST_Intersects ST_Length ST_LineStringFromText ST_Point ST_PointFromText ST_PolygonFromEnvelope ST_PolygonFromText ST_Transform ST_Within