QUERY PLAN
Limit (cost=6252.87..6252.88 rows=1 width=159)
-> Sort (cost=6252.87..6252.88 rows=1 width=159)
Sort Key: created_at DESC
-> Gather (cost=1000.00..6252.86 rows=1 width=159)
Workers Planned: 2
-> Parallel Seq Scan on tbl_comments (cost=0.00..5252.76 rows=1 width=159)
Filter: ((parent IS NULL) AND ((object_type)::text = '1'::text) AND (object_id = 3942))