QUERY PLAN
Limit (cost=23.59..23.60 rows=1 width=428)
-> Sort (cost=23.59..23.60 rows=1 width=428)
Sort Key: s.created_at DESC
-> HashAggregate (cost=23.57..23.58 rows=1 width=428)
Group Key: s.id
-> Hash Right Join (cost=11.82..23.50 rows=26 width=408)
Hash Cond: (turs.task_group_id = s.id)
-> Seq Scan on tbl_task_group_user_relationships turs (cost=0.00..7.83 rows=483 width=4)
-> Hash (cost=11.77..11.77 rows=4 width=408)
-> Hash Right Join (cost=5.08..11.77 rows=4 width=408)
Hash Cond: (thrs.task_group_id = s.id)
-> Seq Scan on tbl_task_group_head_of_relationships thrs (cost=0.00..5.70 rows=370 width=4)
-> Hash (cost=5.06..5.06 rows=1 width=408)
-> Seq Scan on tbl_task_groups s (cost=0.00..5.06 rows=1 width=408)
Filter: (client_id = 982)