| Group (cost=17994.83..17998.55 rows=435 width=18) |
| Group Key: c.object_type, sub.unreadcount |
| -> Sort (cost=17994.83..17996.07 rows=497 width=10) |
| Sort Key: c.object_type, sub.unreadcount |
| -> Hash Left Join (cost=12802.24..17972.57 rows=497 width=10) |
| Hash Cond: ((c.object_type)::text = (sub.object_type)::text) |
| -> Hash Right Join (cost=8450.36..13619.19 rows=497 width=2) |
| Hash Cond: (uc.comment_id = c.id) |
| Filter: ((uc.remind_user_id = 1000) OR (c.created_by = 1000)) |
| -> Seq Scan on tbl_unread_comments uc (cost=0.00..4443.69 rows=438 width=8) |
| Filter: (remind_user_id = 1000) |
| -> Hash (cost=5888.77..5888.77 rows=147327 width=10) |
| -> Seq Scan on tbl_comments c (cost=0.00..5888.77 rows=147327 width=10) |
| Filter: is_system |
| -> Hash (cost=4351.69..4351.69 rows=15 width=10) |
| -> Subquery Scan on sub (cost=4349.91..4351.69 rows=15 width=10) |
| -> Finalize GroupAggregate (cost=4349.91..4351.54 rows=15 width=10) |
| Group Key: uc_1.object_type |
| -> Gather Merge (cost=4349.91..4351.34 rows=11 width=10) |
| Workers Planned: 1 |
| -> Partial GroupAggregate (cost=3349.90..3350.09 rows=11 width=10) |
| Group Key: uc_1.object_type |
| -> Sort (cost=3349.90..3349.92 rows=11 width=2) |
| Sort Key: uc_1.object_type |
| -> Nested Loop (cost=0.42..3349.71 rows=11 width=2) |
| -> Parallel Seq Scan on tbl_unread_comments uc_1 (cost=0.00..3231.58 rows=14 width=6) |
| 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 |