QUERY PLAN
GroupAggregate (cost=1000.14..5248.46 rows=1 width=12)
Group Key: uc.object_id
-> Nested Loop (cost=1000.14..5248.44 rows=1 width=4)
Join Filter: (uc.object_id = rccr.punch_away_id)
-> Nested Loop (cost=1000.14..5246.45 rows=1 width=8)
Join Filter: (uc.object_id = r.id)
-> Index Only Scan using tbl_punch_aways_pkey on tbl_punch_aways r (cost=0.14..20.69 rows=229 width=4)
-> Materialize (cost=1000.00..5215.47 rows=3 width=4)
-> Gather (cost=1000.00..5215.45 rows=3 width=4)
Workers Planned: 1
-> Parallel Seq Scan on tbl_unread_comments uc (cost=0.00..4215.15 rows=2 width=4)
Filter: ((NOT is_read) AND ((object_type)::text = '39'::text) AND (remind_user_id = 1001))
-> Seq Scan on tbl_punch_away_carbon_copy_rels rccr (cost=0.00..1.91 rows=6 width=4)
Filter: (user_id = 1001)