QUERY PLAN
Aggregate (cost=91.77..91.78 rows=1 width=8)
-> Group (cost=91.75..91.75 rows=1 width=224)
Group Key: s.id
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=45.87..45.88 rows=1 width=4)
Sort Key: s.id
-> Seq Scan on tbl_tasks s (cost=0.00..45.86 rows=1 width=4)
Filter: (tree_path @> $0)