| Sort (cost=24391.25..24395.76 rows=1804 width=18) |
| Sort Key: c.object_type |
| -> HashAggregate (cost=24275.65..24293.69 rows=1804 width=18) |
| Group Key: c.object_type, sub.unreadcount |
| -> Hash Left Join (cost=18322.91..24104.37 rows=34256 width=10) |
| Hash Cond: ((c.object_type)::text = (sub.object_type)::text) |
| -> Hash Right Join (cost=8742.28..14425.14 rows=34256 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..4567.93 rows=35025 width=8) |
| Filter: (remind_user_id = 1001) |
| -> Hash (cost=6075.94..6075.94 rows=153387 width=10) |
| -> Seq Scan on tbl_comments c (cost=0.00..6075.94 rows=153387 width=10) |
| Filter: is_system |
| -> Hash (cost=9580.12..9580.12 rows=41 width=10) |
| -> Subquery Scan on sub (cost=9567.44..9580.12 rows=41 width=10) |
| -> Finalize GroupAggregate (cost=9567.44..9579.71 rows=41 width=10) |
| Group Key: uc_1.object_type |
| -> Gather Merge (cost=9567.44..9579.10 rows=41 width=10) |
| Workers Planned: 1 |
| -> Partial GroupAggregate (cost=8567.43..8574.47 rows=41 width=10) |
| Group Key: uc_1.object_type |
| -> Sort (cost=8567.43..8569.64 rows=884 width=2) |
| Sort Key: uc_1.object_type |
| -> Nested Loop (cost=0.42..8524.17 rows=884 width=2) |
| -> Parallel Seq Scan on tbl_unread_comments uc_1 (cost=0.00..3322.37 rows=1072 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 |