| Aggregate (cost=3.13..3.14 rows=1 width=8) |
| -> Hash Join (cost=1.46..3.12 rows=1 width=0) |
| Hash Cond: (c.id = uc.comment_id) |
| -> Seq Scan on tbl_comments c (cost=0.00..1.48 rows=46 width=4) |
| Filter: is_system |
| -> Hash (cost=1.45..1.45 rows=1 width=4) |
| -> Seq Scan on tbl_unread_comments uc (cost=0.00..1.45 rows=1 width=4) |
| Filter: ((NOT is_read) AND (remind_user_id = 5493)) |