QUERY PLAN
Sort (cost=98.11..98.12 rows=1 width=192)
Sort Key: s.created_at DESC
InitPlan 1 (returns $0)
-> Aggregate (cost=47.49..47.50 rows=1 width=32)
-> Seq Scan on tbl_tasks s_1 (cost=0.00..44.39 rows=1239 width=13)
Filter: (tree_path IS NOT NULL)
-> Group (cost=50.59..50.60 rows=1 width=192)
Group Key: s.id
-> Sort (cost=50.59..50.60 rows=1 width=192)
Sort Key: s.id
-> Seq Scan on tbl_tasks s (cost=0.00..50.59 rows=1 width=192)
Filter: ((tree_path @> $0) AND (parent_id = 1755))