QUERY PLAN
Finalize GroupAggregate (cost=4825.34..4826.16 rows=47 width=11)
Group Key: object_type
-> Sort (cost=4825.34..4825.46 rows=47 width=11)
Sort Key: object_type
-> Gather (cost=4818.86..4824.03 rows=47 width=11)
Workers Planned: 1
-> Partial HashAggregate (cost=3818.86..3819.33 rows=47 width=11)
Group Key: object_type
-> Parallel Seq Scan on tbl_unread_comments (cost=0.00..3812.59 rows=1255 width=3)
Filter: ((NOT is_read) AND (remind_user_id = 1001))