QUERY PLAN
Sort (cost=97.80..97.80 rows=1 width=200)
Sort Key: s.target_completed_at, s.created_at DESC
InitPlan 1 (returns $0)
-> Aggregate (cost=45.95..45.96 rows=1 width=32)
-> Seq Scan on tbl_tasks s_1 (cost=0.00..45.86 rows=35 width=13)
Filter: ((tree_path IS NOT NULL) AND (status = '0'::smallint))
-> Group (cost=51.82..51.83 rows=1 width=200)
Group Key: s.id
-> Sort (cost=51.82..51.82 rows=1 width=200)
Sort Key: s.id
-> Seq Scan on tbl_tasks s (cost=0.00..51.81 rows=1 width=200)
Filter: ((tree_path @> $0) AND (status = '0'::smallint) AND (parent_id = 1596))