QUERY PLAN
Finalize GroupAggregate (cost=4817.30..4820.10 rows=24 width=11)
Group Key: object_type
-> Gather Merge (cost=4817.30..4819.77 rows=19 width=11)
Workers Planned: 1
-> Partial GroupAggregate (cost=3817.29..3817.62 rows=19 width=11)
Group Key: object_type
-> Sort (cost=3817.29..3817.33 rows=19 width=3)
Sort Key: object_type
-> Parallel Seq Scan on tbl_unread_comments (cost=0.00..3816.88 rows=19 width=3)
Filter: ((NOT is_read) AND (remind_user_id = 1000))