QUERY PLAN
Limit (cost=6381.50..6381.50 rows=1 width=157)
-> Sort (cost=6381.50..6381.50 rows=1 width=157)
Sort Key: created_at DESC
-> Gather (cost=1000.00..6381.49 rows=1 width=157)
Workers Planned: 2
-> Parallel Seq Scan on tbl_comments (cost=0.00..5381.39 rows=1 width=157)
Filter: ((parent IS NULL) AND ((object_type)::text = '20008'::text) AND (object_id = 19))