QUERY PLAN
Limit (cost=8.27..8.31 rows=19 width=250)
-> Sort (cost=8.27..8.31 rows=19 width=250)
Sort Key: system DESC, created_at, id
-> Seq Scan on tbl_auth_items (cost=0.00..7.86 rows=19 width=250)
Filter: (visible AND (type = 1))