postgis -  functions -  public.st_polyfromtext

Description

Function properties

Usage

result = public.st_polyfromtext();

Code

CREATE FUNCTION st_polyfromtext(text) RETURNS geometry
    AS $_$
    SELECT CASE WHEN geometrytype(GeomFromText($1)) = 'POLYGON'
    THEN GeomFromText($1)
    ELSE NULL END
    $_$
    LANGUAGE sql IMMUTABLE STRICT;