| Group (cost=20734.76..20738.65 rows=518 width=18) |
| Group Key: c.object_type, sub.unreadcount |
| -> Sort (cost=20734.76..20736.06 rows=518 width=10) |
| Sort Key: c.object_type, sub.unreadcount |
| -> Hash Left Join (cost=15990.07..20711.41 rows=518 width=10) |
| Hash Cond: ((c.object_type)::text = (sub.object_type)::text) |
| -> Hash Right Join (cost=11076.41..15796.29 rows=518 width=2) |
| Hash Cond: (uc.comment_id = c.id) |
| Filter: ((uc.remind_user_id = 1000) OR (c.created_by = 1000)) |
| -> Gather (cost=1000.00..4831.64 rows=472 width=8) |
| Workers Planned: 1 |
| -> Parallel Seq Scan on tbl_unread_comments uc (cost=0.00..3784.44 rows=278 width=8) |
| Filter: (remind_user_id = 1000) |
| -> Hash (cost=6934.61..6934.61 rows=180704 width=10) |
| -> Seq Scan on tbl_comments c (cost=0.00..6934.61 rows=180704 width=10) |
| Filter: is_system |
| -> Hash (cost=4913.41..4913.41 rows=20 width=11) |
| -> Subquery Scan on sub (cost=4911.25..4913.41 rows=20 width=11) |
| -> Finalize GroupAggregate (cost=4911.25..4913.21 rows=20 width=11) |
| Group Key: uc_1.object_type |
| -> Gather Merge (cost=4911.25..4912.94 rows=13 width=11) |
| Workers Planned: 1 |
| -> Partial GroupAggregate (cost=3911.24..3911.47 rows=13 width=11) |
| Group Key: uc_1.object_type |
| -> Sort (cost=3911.24..3911.28 rows=13 width=3) |
| Sort Key: uc_1.object_type |
| -> Nested Loop (cost=0.42..3911.00 rows=13 width=3) |
| -> Parallel Seq Scan on tbl_unread_comments uc_1 (cost=0.00..3784.44 rows=15 width=7) |
| Filter: ((NOT is_read) AND (remind_user_id = 1000)) |
| -> Index Scan using tbl_comments_pkey on tbl_comments c_1 (cost=0.42..8.44 rows=1 width=4) |
| Index Cond: (id = uc_1.comment_id) |
| Filter: is_system |