| Aggregate (cost=5891.68..5891.69 rows=1 width=8) |
| -> Sort (cost=5891.66..5891.66 rows=1 width=243) |
| Sort Key: tbl_comments.created_at DESC |
| -> Seq Scan on tbl_comments (cost=0.00..5891.65 rows=1 width=243) |
| Filter: ((parent IS NULL) AND (object_type IS NULL) AND (object_id IS NULL)) |