--!syntax_pg select 1 between 2 and 4,3 between 2 and 4,5 between 2 and 4,3 between 4 and 2, null::int4 between 2 and 4,1 between null::int4 and 4,1 between 4 and null::int4,1 between 0 and null::int4, null between null and null; select 3 between symmetric 4 and 2, 3 between symmetric 0 and 2, null::int4 between symmetric 4 and 2, 3 between symmetric null::int4 and 2, 3 between symmetric 2 and null::int4;