QUERY PLAN
Aggregate (cost=10.12..10.13 rows=1 width=8)
-> Sort (cost=9.82..9.87 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..9.39 rows=20 width=524)
Filter: (visible AND (type = 1))