| Sort (cost=25790.69..25795.95 rows=2107 width=18) |
| Sort Key: c.object_type |
| -> HashAggregate (cost=25653.30..25674.37 rows=2107 width=18) |
| Group Key: c.object_type, sub.unreadcount |
| -> Hash Left Join (cost=19362.24..25467.32 rows=37196 width=10) |
| Hash Cond: ((c.object_type)::text = (sub.object_type)::text) |
| -> Hash Right Join (cost=9227.80..15226.79 rows=37196 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..4812.54 rows=37127 width=8) |
| Filter: (remind_user_id = 1001) |
| -> Hash (cost=6392.31..6392.31 rows=163079 width=10) |
| -> Seq Scan on tbl_comments c (cost=0.00..6392.31 rows=163079 width=10) |
| Filter: is_system |
| -> Hash (cost=10133.91..10133.91 rows=43 width=11) |
| -> Subquery Scan on sub (cost=10120.36..10133.91 rows=43 width=11) |
| -> Finalize GroupAggregate (cost=10120.36..10133.48 rows=43 width=11) |
| Group Key: uc_1.object_type |
| -> Gather Merge (cost=10120.36..10132.83 rows=43 width=11) |
| Workers Planned: 1 |
| -> Partial GroupAggregate (cost=9120.35..9127.98 rows=43 width=11) |
| Group Key: uc_1.object_type |
| -> Sort (cost=9120.35..9122.75 rows=961 width=3) |
| Sort Key: uc_1.object_type |
| -> Nested Loop (cost=0.42..9072.74 rows=961 width=3) |
| -> Parallel Seq Scan on tbl_unread_comments uc_1 (cost=0.00..3501.26 rows=1158 width=7) |
| Filter: ((NOT is_read) AND (remind_user_id = 1001)) |
| -> Index Scan using tbl_comments_pkey on tbl_comments c_1 (cost=0.42..4.81 rows=1 width=4) |
| Index Cond: (id = uc_1.comment_id) |
| Filter: is_system |