| Sort (cost=23686.90..23688.71 rows=725 width=18) |
| Sort Key: c.object_type |
| -> HashAggregate (cost=23645.21..23652.46 rows=725 width=18) |
| Group Key: c.object_type, sub.unreadcount |
| -> Hash Left Join (cost=17853.73..23478.32 rows=33377 width=10) |
| Hash Cond: ((c.object_type)::text = (sub.object_type)::text) |
| -> Hash Right Join (cost=8454.14..13978.31 rows=33377 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..4443.69 rows=34469 width=8) |
| Filter: (remind_user_id = 1001) |
| -> Hash (cost=5891.65..5891.65 rows=147399 width=10) |
| -> Seq Scan on tbl_comments c (cost=0.00..5891.65 rows=147399 width=10) |
| Filter: is_system |
| -> Hash (cost=9399.28..9399.28 rows=25 width=10) |
| -> Subquery Scan on sub (cost=9389.08..9399.28 rows=25 width=10) |
| -> Finalize GroupAggregate (cost=9389.08..9399.03 rows=25 width=10) |
| Group Key: uc_1.object_type |
| -> Gather Merge (cost=9389.08..9398.66 rows=25 width=10) |
| Workers Planned: 1 |
| -> Partial GroupAggregate (cost=8389.07..8395.84 rows=25 width=10) |
| Group Key: uc_1.object_type |
| -> Sort (cost=8389.07..8391.24 rows=869 width=2) |
| Sort Key: uc_1.object_type |
| -> Nested Loop (cost=0.42..8346.65 rows=869 width=2) |
| -> Parallel Seq Scan on tbl_unread_comments uc_1 (cost=0.00..3231.58 rows=1062 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..4.82 rows=1 width=4) |
| Index Cond: (id = uc_1.comment_id) |
| Filter: is_system |