QUERY PLAN
Unique (cost=133.60..133.61 rows=1 width=4)
-> Sort (cost=133.60..133.60 rows=1 width=4)
Sort Key: s.created_by
-> Nested Loop (cost=0.28..133.59 rows=1 width=4)
-> Seq Scan on tbl_reimbursement_settle_rels rsr (cost=0.00..125.29 rows=1 width=4)
Filter: (user_id = 1000)
-> Index Scan using tbl_reimbursements_pkey on tbl_reimbursements s (cost=0.28..8.30 rows=1 width=8)
Index Cond: (id = rsr.reimbursement_id)