QUERY PLAN
Limit (cost=42.65..42.67 rows=10 width=396)
-> Sort (cost=42.65..42.88 rows=95 width=396)
Sort Key: s.created_at DESC
-> HashAggregate (cost=38.93..40.59 rows=95 width=396)
Group Key: s.id
-> Hash Right Join (cost=14.34..36.15 rows=1112 width=376)
Hash Cond: (turs.task_group_id = s.id)
-> Seq Scan on tbl_task_group_user_relationships turs (cost=0.00..8.13 rows=513 width=4)
-> Hash (cost=11.76..11.76 rows=206 width=376)
-> Hash Right Join (cost=7.14..11.76 rows=206 width=376)
Hash Cond: (thrs.task_group_id = s.id)
-> Seq Scan on tbl_task_group_head_of_relationships thrs (cost=0.00..4.06 rows=206 width=4)
-> Hash (cost=5.95..5.95 rows=95 width=376)
-> Seq Scan on tbl_task_groups s (cost=0.00..5.95 rows=95 width=376)