<listitem>
<para>This is a set-returning function (SRF).
- It returns a set of
- <link linkend="geometry_dump">geometry_dump</link>
- rows, formed by a geometry (geom) and an array
- of integers (path). When the input geometry
- is a simple type (POINT,LINESTRING,POLYGON)
+ It returns a set of geometry_dump rows, formed
+ by a geometry (geom) and an array of integers (path).
+ When the input geometry is a simple type
+ (POINT,LINESTRING,POLYGON)
a single record will be returned with an empty
path array and the input geometry as geom.
When the input geometry is a collection or multi