QUERY PLAN
Sort (cost=101.31..101.31 rows=1 width=192)
Sort Key: s.target_completed_at, s.created_at DESC
InitPlan 1 (returns $0)
-> Aggregate (cost=47.59..47.60 rows=1 width=32)
-> Seq Scan on tbl_tasks s_1 (cost=0.00..47.49 rows=40 width=13)
Filter: ((tree_path IS NOT NULL) AND (status = '0'::smallint))
-> Group (cost=53.69..53.70 rows=1 width=192)
Group Key: s.id
-> Sort (cost=53.69..53.70 rows=1 width=192)
Sort Key: s.id
-> Seq Scan on tbl_tasks s (cost=0.00..53.68 rows=1 width=192)
Filter: ((tree_path @> $0) AND (status = '0'::smallint) AND (parent_id = 1596))