QUERY PLAN
Aggregate (cost=21.29..21.30 rows=1 width=48)
-> Unique (cost=21.09..21.21 rows=2 width=145)
-> Sort (cost=21.09..21.09 rows=2 width=145)
Sort Key: r.id, r.title, r.status, r.leave_type, r.leave_start, r.leave_start_type, r.leave_end, r.leave_end_type, r.next_verify_user, r.verify_at, r.next_cancel_verify_user, r.cancel_at, r.description, r.refuse_description, r.is_resubmited, r.created_by, r.created_at, r.updated_at, r.spent_day, r.cancel_description, r.leave_start_time, r.leave_end_time, r.leave_mode, r.spent_hour
-> Group (cost=21.07..21.07 rows=2 width=145)
Group Key: r.id
-> Sort (cost=21.07..21.07 rows=2 width=145)
Sort Key: r.id
-> Hash Left Join (cost=16.73..21.05 rows=2 width=145)
Hash Cond: (r.id = crvr.punch_leave_id)
-> Hash Right Join (cost=15.35..19.66 rows=2 width=145)
Hash Cond: (rvr.punch_leave_id = r.id)
-> Seq Scan on tbl_punch_leave_verify_rels rvr (cost=0.00..3.66 rows=166 width=4)
-> Hash (cost=15.33..15.33 rows=2 width=145)
-> Hash Join (cost=4.86..15.33 rows=2 width=145)
Hash Cond: (r.id = rccr.punch_leave_id)
-> Seq Scan on tbl_punch_leaves r (cost=0.00..9.63 rows=163 width=145)
-> Hash (cost=4.84..4.84 rows=2 width=4)
-> Seq Scan on tbl_punch_leave_carbon_copy_rels rccr (cost=0.00..4.84 rows=2 width=4)
Filter: (user_id = 1000)
-> Hash (cost=1.17..1.17 rows=17 width=4)
-> Seq Scan on tbl_punch_leave_cancel_verify_rels crvr (cost=0.00..1.17 rows=17 width=4)