QUERY PLAN
Aggregate (cost=7.40..7.41 rows=1 width=8)
-> Sort (cost=7.24..7.27 rows=11 width=201)
Sort Key: r.created_at DESC
-> HashAggregate (cost=6.94..7.05 rows=11 width=201)
Group Key: r.id
-> Hash Left Join (cost=4.58..6.91 rows=12 width=12)
Hash Cond: (r.id = crvr.punch_leave_id)
-> Hash Right Join (cost=3.31..5.57 rows=12 width=12)
Hash Cond: (rvr.punch_leave_id = r.id)
-> Seq Scan on tbl_punch_leave_verify_rels rvr (cost=0.00..1.99 rows=99 width=4)
-> Hash (cost=3.17..3.17 rows=11 width=16)
-> Seq Scan on tbl_punch_leaves r (cost=0.00..3.17 rows=11 width=16)
Filter: (created_by = 1000)
-> Hash (cost=1.12..1.12 rows=12 width=4)
-> Seq Scan on tbl_punch_leave_cancel_verify_rels crvr (cost=0.00..1.12 rows=12 width=4)