QUERY PLAN
Aggregate (cost=5795.15..5795.16 rows=1 width=8)
-> Sort (cost=5795.14..5795.14 rows=1 width=243)
Sort Key: tbl_comments.created_at DESC
-> Gather (cost=1000.00..5795.12 rows=1 width=243)
Workers Planned: 2
-> Parallel Seq Scan on tbl_comments (cost=0.00..4795.02 rows=1 width=243)
Filter: ((parent IS NULL) AND ((object_type)::text = '102'::text) AND (object_id = 198))