GROUP BY but get all values from other column

Question

I\'\'ll explain what I need to do on example. First of all, we have a simple table like this one, named table:

id | name
===+=====
1  | foo
1  | bar         


        

Answer 1

For Postgres use string_agg()

select id, 
       string_agg(name, ',' order by name) as name_list
from the_table
group by id
order by id;