| Sort (cost=24379.51..24384.02 rows=1804 width=18) |
| Sort Key: c.object_type |
| -> HashAggregate (cost=24263.90..24281.94 rows=1804 width=18) |
| Group Key: c.object_type, sub.unreadcount |
| -> Hash Left Join (cost=18314.26..24092.66 rows=34248 width=10) |
| Hash Cond: ((c.object_type)::text = (sub.object_type)::text) |
| -> Hash Right Join (cost=8740.39..14420.23 rows=34248 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..4564.96 rows=35002 width=8) |
| Filter: (remind_user_id = 1001) |
| -> Hash (cost=6074.50..6074.50 rows=153351 width=10) |
| -> Seq Scan on tbl_comments c (cost=0.00..6074.50 rows=153351 width=10) |
| Filter: is_system |
| -> Hash (cost=9573.36..9573.36 rows=41 width=10) |
| -> Subquery Scan on sub (cost=9560.68..9573.36 rows=41 width=10) |
| -> Finalize GroupAggregate (cost=9560.68..9572.95 rows=41 width=10) |
| Group Key: uc_1.object_type |
| -> Gather Merge (cost=9560.68..9572.33 rows=41 width=10) |
| Workers Planned: 1 |
| -> Partial GroupAggregate (cost=8560.67..8567.71 rows=41 width=10) |
| Group Key: uc_1.object_type |
| -> Sort (cost=8560.67..8562.88 rows=884 width=2) |
| Sort Key: uc_1.object_type |
| -> Nested Loop (cost=0.42..8517.41 rows=884 width=2) |
| -> Parallel Seq Scan on tbl_unread_comments uc_1 (cost=0.00..3320.21 rows=1071 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 |