QUERY PLAN
Limit (cost=91.76..91.77 rows=1 width=200)
InitPlan 1 (returns $0)
-> Aggregate (cost=45.86..45.87 rows=1 width=32)
-> Seq Scan on tbl_tasks s_1 (cost=0.00..42.89 rows=1189 width=13)
Filter: (tree_path IS NOT NULL)
-> Sort (cost=45.89..45.89 rows=1 width=200)
Sort Key: s.status, s.end_at, s.created_at DESC
-> Group (cost=45.87..45.88 rows=1 width=200)
Group Key: s.id
-> Sort (cost=45.87..45.88 rows=1 width=200)
Sort Key: s.id
-> Seq Scan on tbl_tasks s (cost=0.00..45.86 rows=1 width=200)
Filter: ((parent_id IS NULL) AND (tree_path @> $0))