QUERY PLAN
Aggregate (cost=95.51..95.52 rows=1 width=8)
-> Sort (cost=95.49..95.50 rows=1 width=224)
Sort Key: s.status, s.end_at, s.created_at DESC
InitPlan 1 (returns $0)
-> Aggregate (cost=47.73..47.74 rows=1 width=32)
-> Seq Scan on tbl_tasks s_1 (cost=0.00..44.58 rows=1258 width=13)
Filter: (tree_path IS NOT NULL)
-> Group (cost=47.73..47.74 rows=1 width=224)
Group Key: s.id
-> Sort (cost=47.73..47.74 rows=1 width=18)
Sort Key: s.id
-> Seq Scan on tbl_tasks s (cost=0.00..47.73 rows=1 width=18)
Filter: ((parent_id IS NULL) AND (tree_path @> $0))