QUERY PLAN
Finalize GroupAggregate (cost=4041.79..4042.22 rows=25 width=10)
Group Key: object_type
-> Sort (cost=4041.79..4041.85 rows=25 width=10)
Sort Key: object_type
-> Gather (cost=4038.46..4041.21 rows=25 width=10)
Workers Planned: 1
-> Partial HashAggregate (cost=3038.46..3038.71 rows=25 width=10)
Group Key: object_type
-> Parallel Seq Scan on tbl_unread_comments (cost=0.00..3033.33 rows=1025 width=2)
Filter: ((NOT is_read) AND (remind_user_id = 1001))