| Sort (cost=27992.76..27998.87 rows=2444 width=18) |
| Sort Key: c.object_type |
| -> HashAggregate (cost=27830.78..27855.22 rows=2444 width=18) |
| Group Key: c.object_type, sub.unreadcount |
| -> Hash Left Join (cost=20976.51..27621.49 rows=41857 width=10) |
| Hash Cond: ((c.object_type)::text = (sub.object_type)::text) |
| -> Hash Right Join (cost=10066.01..16592.17 rows=41857 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..5223.45 rows=40269 width=8) |
| Filter: (remind_user_id = 1001) |
| -> Hash (cost=6931.60..6931.60 rows=180273 width=10) |
| -> Seq Scan on tbl_comments c (cost=0.00..6931.60 rows=180273 width=10) |
| Filter: is_system |
| -> Hash (cost=10909.91..10909.91 rows=47 width=11) |
| -> Subquery Scan on sub (cost=10895.10..10909.91 rows=47 width=11) |
| -> Finalize GroupAggregate (cost=10895.10..10909.44 rows=47 width=11) |
| Group Key: uc_1.object_type |
| -> Gather Merge (cost=10895.10..10908.73 rows=47 width=11) |
| Workers Planned: 1 |
| -> Partial GroupAggregate (cost=9895.09..9903.43 rows=47 width=11) |
| Group Key: uc_1.object_type |
| -> Sort (cost=9895.09..9897.71 rows=1050 width=3) |
| Sort Key: uc_1.object_type |
| -> Nested Loop (cost=0.42..9842.40 rows=1050 width=3) |
| -> Parallel Seq Scan on tbl_unread_comments uc_1 (cost=0.00..3801.85 rows=1252 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 |