| Sort (cost=28042.85..28048.96 rows=2444 width=18) |
| Sort Key: c.object_type |
| -> HashAggregate (cost=27880.87..27905.31 rows=2444 width=18) |
| Group Key: c.object_type, sub.unreadcount |
| -> Hash Left Join (cost=21008.34..27671.46 rows=41883 width=10) |
| Hash Cond: ((c.object_type)::text = (sub.object_type)::text) |
| -> Hash Right Join (cost=10071.77..16615.99 rows=41883 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..5241.15 rows=40406 width=8) |
| Filter: (remind_user_id = 1001) |
| -> Hash (cost=6935.95..6935.95 rows=180386 width=10) |
| -> Seq Scan on tbl_comments c (cost=0.00..6935.95 rows=180386 width=10) |
| Filter: is_system |
| -> Hash (cost=10935.98..10935.98 rows=47 width=11) |
| -> Subquery Scan on sub (cost=10921.15..10935.98 rows=47 width=11) |
| -> Finalize GroupAggregate (cost=10921.15..10935.51 rows=47 width=11) |
| Group Key: uc_1.object_type |
| -> Gather Merge (cost=10921.15..10934.81 rows=47 width=11) |
| Workers Planned: 1 |
| -> Partial GroupAggregate (cost=9921.14..9929.51 rows=47 width=11) |
| Group Key: uc_1.object_type |
| -> Sort (cost=9921.14..9923.77 rows=1053 width=3) |
| Sort Key: uc_1.object_type |
| -> Nested Loop (cost=0.42..9868.28 rows=1053 width=3) |
| -> Parallel Seq Scan on tbl_unread_comments uc_1 (cost=0.00..3814.74 rows=1256 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..4.82 rows=1 width=4) |
| Index Cond: (id = uc_1.comment_id) |
| Filter: is_system |