QUERY PLAN
Finalize GroupAggregate (cost=4231.86..4233.90 rows=15 width=10)
Group Key: object_type
-> Gather Merge (cost=4231.86..4233.68 rows=14 width=10)
Workers Planned: 1
-> Partial GroupAggregate (cost=3231.85..3232.09 rows=14 width=10)
Group Key: object_type
-> Sort (cost=3231.85..3231.88 rows=14 width=2)
Sort Key: object_type
-> Parallel Seq Scan on tbl_unread_comments (cost=0.00..3231.58 rows=14 width=2)
Filter: ((NOT is_read) AND (remind_user_id = 1000))