QUERY PLAN
GroupAggregate (cost=4367.00..4374.68 rows=1 width=12)
Group Key: uc.object_id
-> Nested Loop (cost=4367.00..4374.67 rows=1 width=4)
-> Gather Merge (cost=4366.71..4366.87 rows=1 width=8)
Workers Planned: 1
-> Merge Join (cost=3366.70..3366.74 rows=1 width=8)
Merge Cond: (uc.object_id = rccr.reimbursement_id)
-> Sort (cost=3358.46..3358.47 rows=5 width=4)
Sort Key: uc.object_id
-> Parallel Seq Scan on tbl_unread_comments uc (cost=0.00..3358.40 rows=5 width=4)
Filter: ((NOT is_read) AND ((object_type)::text = '20'::text) AND (remind_user_id = 5016))
-> Sort (cost=8.25..8.25 rows=2 width=4)
Sort Key: rccr.reimbursement_id
-> Seq Scan on tbl_reimbursement_carbon_copy_rels rccr (cost=0.00..8.24 rows=2 width=4)
Filter: (user_id = 5016)
-> Index Scan using tbl_reimbursements_pkey on tbl_reimbursements r (cost=0.28..7.80 rows=1 width=4)
Index Cond: (id = uc.object_id)
Filter: (status <> 0)