QUERY PLAN
Finalize GroupAggregate (cost=4819.82..4827.35 rows=47 width=11)
Group Key: object_type
-> Gather Merge (cost=4819.82..4826.64 rows=47 width=11)
Workers Planned: 1
-> Partial GroupAggregate (cost=3819.81..3821.35 rows=47 width=11)
Group Key: object_type
-> Sort (cost=3819.81..3820.17 rows=142 width=3)
Sort Key: object_type
-> Parallel Seq Scan on tbl_unread_comments (cost=0.00..3814.74 rows=142 width=3)
Filter: ((NOT is_read) AND (remind_user_id = 5085))