Edit geometries

The following functions are available to edit geometries:

Function	Description
ST_AddPoint	Add a point to a Geometry
ST_CollectionExtract	Filter a Geometry with its dimension
ST_Densify	Insert extra vertices along the line segments of a Geometry
ST_FlipCoordinates	Flip the X and Y coordinates of a Geometry
ST_ForcePolygonCW	Forces (Multi)Polygons to use a clockwise orientation
ST_ForcePolygonCCW	Forces (Multi)Polygons to use a counter-clockwise orientation
ST_Normalize	Return a Geometry with a normal form
ST_RemoveDuplicatedCoordinates	Remove duplicated coordinates from a Geometry
ST_RemoveHoles	Remove a Geometry’s holes
ST_RemovePoints	Return a Geometry with vertices less
ST_RemoveRepeatedPoints	Remove repeated points from a Geometry
ST_Reverse	Reverse the vertex order of a Geometry