QUERY PLAN
Finalize GroupAggregate (cost=4044.97..4051.53 rows=25 width=10)
Group Key: object_type
-> Gather Merge (cost=4044.97..4051.16 rows=25 width=10)
Workers Planned: 1
-> Partial GroupAggregate (cost=3044.96..3048.33 rows=25 width=10)
Group Key: object_type
-> Sort (cost=3044.96..3046.00 rows=416 width=2)
Sort Key: object_type
-> Parallel Seq Scan on tbl_unread_comments (cost=0.00..3026.87 rows=416 width=2)
Filter: ((NOT is_read) AND (remind_user_id = 5295))