QUERY PLAN
Aggregate (cost=41.43..41.44 rows=1 width=48)
-> Unique (cost=40.50..41.05 rows=10 width=207)
-> Sort (cost=40.50..40.53 rows=10 width=207)
Sort Key: r.id, r.title, r.status, r.travel_start, r.travel_start_type, r.travel_end, r.travel_end_type, r.next_verify_user, r.verify_at, r.next_cancel_verify_user, r.cancel_at, r.description, r.project_id, r.client_id, r.refuse_description, r.is_resubmited, r.created_by, r.created_at, r.updated_at, r.spent_day, r.cancel_description
-> Group (cost=40.24..40.34 rows=10 width=207)
Group Key: r.id
-> Merge Left Join (cost=40.24..40.31 rows=10 width=207)
Merge Cond: (r.id = crvr.punch_travel_id)
-> Sort (cost=39.22..39.25 rows=10 width=207)
Sort Key: r.id
-> Hash Left Join (cost=3.40..39.06 rows=10 width=207)
Hash Cond: (r.id = rvr.punch_travel_id)
-> Hash Join (cost=1.70..37.22 rows=10 width=207)
Hash Cond: (rccr.punch_travel_id = r.id)
-> Seq Scan on tbl_punch_travel_carbon_copy_rels rccr (cost=0.00..35.50 rows=10 width=4)
Filter: (user_id = 1000)
-> Hash (cost=1.31..1.31 rows=31 width=207)
-> Seq Scan on tbl_punch_travels r (cost=0.00..1.31 rows=31 width=207)
-> Hash (cost=1.31..1.31 rows=31 width=4)
-> Seq Scan on tbl_punch_travel_verify_rels rvr (cost=0.00..1.31 rows=31 width=4)
-> Sort (cost=1.02..1.02 rows=1 width=4)
Sort Key: crvr.punch_travel_id
-> Seq Scan on tbl_punch_travel_cancel_verify_rels crvr (cost=0.00..1.01 rows=1 width=4)