QUERY PLAN
Aggregate (cost=68.37..68.38 rows=1 width=8)
-> Sort (cost=60.50..61.81 rows=525 width=238)
Sort Key: r.created_at DESC
-> HashAggregate (cost=31.53..36.78 rows=525 width=238)
Group Key: r.id
-> Hash Right Join (cost=21.81..30.21 rows=525 width=12)
Hash Cond: (rvr.erp_ticket_change_log_id = r.id)
-> Seq Scan on tbl_erp_ticket_change_log_handlers rvr (cost=0.00..7.27 rows=427 width=4)
-> Hash (cost=15.25..15.25 rows=525 width=12)
-> Seq Scan on tbl_erp_ticket_change_logs r (cost=0.00..15.25 rows=525 width=12)