| Sort (cost=23658.20..23659.95 rows=700 width=18) |
| Sort Key: c.object_type |
| -> HashAggregate (cost=23618.12..23625.12 rows=700 width=18) |
| Group Key: c.object_type, sub.unreadcount |
| -> Hash Left Join (cost=17790.11..23448.57 rows=33911 width=10) |
| Hash Cond: ((c.object_type)::text = (sub.object_type)::text) |
| -> Hash Right Join (cost=8485.57..14041.54 rows=33911 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..4467.15 rows=35360 width=8) |
| Filter: (remind_user_id = 1001) |
| -> Hash (cost=5930.98..5930.98 rows=146927 width=10) |
| -> Seq Scan on tbl_comments c (cost=0.00..5930.98 rows=146927 width=10) |
| Filter: is_system |
| -> Hash (cost=9304.23..9304.23 rows=25 width=10) |
| -> Subquery Scan on sub (cost=9294.32..9304.23 rows=25 width=10) |
| -> Finalize GroupAggregate (cost=9294.32..9303.98 rows=25 width=10) |
| Group Key: uc_1.object_type |
| -> Gather Merge (cost=9294.32..9303.60 rows=25 width=10) |
| Workers Planned: 1 |
| -> Partial GroupAggregate (cost=8294.31..8300.78 rows=25 width=10) |
| Group Key: uc_1.object_type |
| -> Sort (cost=8294.31..8296.38 rows=830 width=2) |
| Sort Key: uc_1.object_type |
| -> Nested Loop (cost=0.42..8254.07 rows=830 width=2) |
| -> Parallel Seq Scan on tbl_unread_comments uc_1 (cost=0.00..3248.68 rows=1024 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..4.89 rows=1 width=4) |
| Index Cond: (id = uc_1.comment_id) |
| Filter: is_system |