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_Normalize`	Return a Geometry with a normal form
`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