QUERY PLAN
Aggregate (cost=7127.59..7127.60 rows=1 width=8)
-> Gather (cost=1000.00..7127.58 rows=2 width=0)
Workers Planned: 2
-> Parallel Seq Scan on tbl_comments (cost=0.00..6127.38 rows=1 width=0)
Filter: (((object_type)::text = '20'::text) AND (object_id = 8922))