Return multiple columns and rows from a function PostgreSQL instead of record

Question

I was reading online about function on PostgreSQL and returns results In this links:

1. SQL function return-type: TABLE vs SETOF records
2. How do I referen

Answer 1

I was able to see it as expected with this query:

SELECT * FROM brand_hierarchy (id)

Answer 2

Functions returning a table (or setof) should be used in the FROM clause:

select * 
from brand_hierarchy(1234)

Answer 3

I found this function crosstab I think it is what you're looking for https://www.postgresql.org/docs/9.3/tablefunc.html