QUERY PLAN
GroupAggregate (cost=1000.14..4382.17 rows=1 width=12)
Group Key: uc.object_id
-> Nested Loop (cost=1000.14..4382.16 rows=1 width=4)
Join Filter: (uc.object_id = rccr.punch_repair_id)
-> Nested Loop (cost=1000.14..4375.98 rows=1 width=8)
Join Filter: (uc.object_id = r.id)
-> Index Only Scan using tbl_punch_repairs_pkey on tbl_punch_repairs r (cost=0.14..18.88 rows=225 width=4)
-> Materialize (cost=1000.00..4353.73 rows=1 width=4)
-> Gather (cost=1000.00..4353.73 rows=1 width=4)
Workers Planned: 1
-> Parallel Seq Scan on tbl_unread_comments uc (cost=0.00..3353.63 rows=1 width=4)
Filter: ((NOT is_read) AND ((object_type)::text = '38'::text) AND (remind_user_id = 1000))
-> Seq Scan on tbl_punch_repair_carbon_copy_rels rccr (cost=0.00..6.16 rows=1 width=4)
Filter: (user_id = 1000)