QUERY PLAN
Aggregate (cost=15.22..15.23 rows=1 width=8)
-> Sort (cost=15.20..15.21 rows=1 width=159)
Sort Key: tbl_object_change_logs.created_at DESC
-> Seq Scan on tbl_object_change_logs (cost=0.00..15.19 rows=1 width=159)
Filter: ((object_id = 1) AND (object_type = '10'::smallint))