QUERY PLAN
Sort (cost=13.66..13.67 rows=2 width=156)
Sort Key: "order"
-> Bitmap Heap Scan on tbl_departments (cost=8.31..13.65 rows=2 width=156)
Recheck Cond: (id = ANY ('{1,4}'::integer[]))
-> Bitmap Index Scan on tbl_departments_pkey (cost=0.00..8.31 rows=2 width=0)
Index Cond: (id = ANY ('{1,4}'::integer[]))