QUERY PLAN
Finalize GroupAggregate (cost=4266.58..4273.11 rows=25 width=10)
Group Key: object_type
-> Gather Merge (cost=4266.58..4272.73 rows=25 width=10)
Workers Planned: 1
-> Partial GroupAggregate (cost=3266.57..3269.91 rows=25 width=10)
Group Key: object_type
-> Sort (cost=3266.57..3267.60 rows=412 width=2)
Sort Key: object_type
-> Parallel Seq Scan on tbl_unread_comments (cost=0.00..3248.68 rows=412 width=2)
Filter: ((NOT is_read) AND (remind_user_id = 5295))