Compare arrays for equality, ignoring order of elements

Question

I have a table with 4 array columns.. the results are like:

ids       signed_ids   new_ids   new_ids_signed
{1,2,3} | {2,1,3}    | {4,5,6} | {6,5,4}
<         


        

Answer 1

select (string_agg(a,',' order by a) = string_agg(b,',' order by b)) from (select unnest(array[1,2,3,2])::text as a,unnest(array[2,2,3,1])::text as b) A