PG_FUNCTION_INFO_V1() [16/84]

PG_FUNCTION_INFO_V1

(

LWGEOM_length_linestring

)

find the "length of a geometry" length(point) = 0 length(line) = length of line length(polygon) = 0 – could make sense to return sum(ring perimeter) uses euclidian 3d/2d length depending on input dimensions.