QUERY PLAN
Sort (cost=9.47..9.48 rows=2 width=17)
Sort Key: tbl_users.name, tbl_users.id
-> Hash Join (cost=1.64..9.46 rows=2 width=17)
Hash Cond: (tbl_users.id = tbl_ledger_tickets.created_by)
-> Seq Scan on tbl_users (cost=0.00..7.44 rows=144 width=13)
-> Hash (cost=1.61..1.61 rows=2 width=4)
-> HashAggregate (cost=1.57..1.59 rows=2 width=4)
Group Key: tbl_ledger_tickets.created_by
-> Seq Scan on tbl_ledger_tickets (cost=0.00..1.48 rows=38 width=4)
Filter: ((created_by IS NOT NULL) AND (ledger_id = 1))