postgis -  functions -  public.linestringfromwkb

Description

Function properties

Usage

result = public.linestringfromwkb();

Code

CREATE FUNCTION linestringfromwkb(bytea, integer) RETURNS geometry
    AS $_$
    SELECT CASE WHEN geometrytype(GeomFromWKB($1, $2)) = 'LINESTRING'
    THEN GeomFromWKB($1, $2)
    ELSE NULL END
    $_$
    LANGUAGE sql IMMUTABLE STRICT;