Returns the area of the surface if it is a polygon or multi-polygon.

Returns the area of the given column For "geometry" type area is in SRID units.

Return the Well-Known Binary (WKB) representation of the geometry/geography without SRID meta data.

Return the Well-Known Text (WKT) representation of the geometry with SRID meta data.

Return the geometry as a GeoJSON element.

Return the geometry as a GML version 2 or 3 element.

Return the geometry as a KML element with default version=2 and precision=15.

Return the geometry as a KML element.

Return the Degrees, Minutes, Seconds representation of the given point.

Returns a Geometry in SVG path data given a geometry or geography object.

Return the Well-Known Text (WKT) representation of the geometry/geography without SRID metadata.

Return a GeoHash representation of the geometry.

ST_Intersects — Returns TRUE if the Geometries/Geography "spatially intersect in 2D" - (share any portion of space) and FALSE if they don't (they are Disjoint).

Within returns true if the given shape is completely inside the given column.

TODO Shapes implement both the Compiles interface and dbType (which is not exported but probably should be).