Обсуждение: Invalid mem alloc request on function

Getting following error when running the pg_routing function. The text value consists over 1.8gig is there something I can tweak to handle the large size in function? ERROR: invalid memory alloc request size 1080000000 CONTEXT: PL/=pgSQL function pgr_xxxx(text,anyarray,boolean) line 3 at RETURN QUERY B