| Sort (cost=24406.76..24411.27 rows=1804 width=18) |
| Sort Key: c.object_type |
| -> HashAggregate (cost=24291.15..24309.19 rows=1804 width=18) |
| Group Key: c.object_type, sub.unreadcount |
| -> Hash Left Join (cost=18334.28..24119.79 rows=34273 width=10) |
| Hash Cond: ((c.object_type)::text = (sub.object_type)::text) |
| -> Hash Right Join (cost=8747.07..14433.94 rows=34273 width=2) |
| Hash Cond: (uc.comment_id = c.id) |
| Filter: ((uc.remind_user_id = 1001) OR (c.created_by = 1001)) |
| -> Seq Scan on tbl_unread_comments uc (cost=0.00..4570.88 rows=35047 width=8) |
| Filter: (remind_user_id = 1001) |
| -> Hash (cost=6078.82..6078.82 rows=153460 width=10) |
| -> Seq Scan on tbl_comments c (cost=0.00..6078.82 rows=153460 width=10) |
| Filter: is_system |
| -> Hash (cost=9586.70..9586.70 rows=41 width=10) |
| -> Subquery Scan on sub (cost=9574.01..9586.70 rows=41 width=10) |
| -> Finalize GroupAggregate (cost=9574.01..9586.29 rows=41 width=10) |
| Group Key: uc_1.object_type |
| -> Gather Merge (cost=9574.01..9585.67 rows=41 width=10) |
| Workers Planned: 1 |
| -> Partial GroupAggregate (cost=8574.00..8581.05 rows=41 width=10) |
| Group Key: uc_1.object_type |
| -> Sort (cost=8574.00..8576.21 rows=885 width=2) |
| Sort Key: uc_1.object_type |
| -> Nested Loop (cost=0.42..8530.68 rows=885 width=2) |
| -> Parallel Seq Scan on tbl_unread_comments uc_1 (cost=0.00..3324.51 rows=1073 width=6) |
| Filter: ((NOT is_read) AND (remind_user_id = 1001)) |
| -> Index Scan using tbl_comments_pkey on tbl_comments c_1 (cost=0.42..4.85 rows=1 width=4) |
| Index Cond: (id = uc_1.comment_id) |
| Filter: is_system |