QUERY PLAN
Aggregate (cost=9.88..9.89 rows=1 width=8)
-> Sort (cost=9.58..9.63 rows=20 width=524)
Sort Key: tbl_auth_items.system DESC, tbl_auth_items.created_at, tbl_auth_items.id
-> Seq Scan on tbl_auth_items (cost=0.00..9.15 rows=20 width=524)
Filter: (visible AND (type = 1))