| Group (cost=18098.66..18102.75 rows=448 width=18) |
| Group Key: c.object_type, sub.unreadcount |
| -> Sort (cost=18098.66..18100.03 rows=545 width=10) |
| Sort Key: c.object_type, sub.unreadcount |
| -> Hash Left Join (cost=12875.76..18073.89 rows=545 width=10) |
| Hash Cond: ((c.object_type)::text = (sub.object_type)::text) |
| -> Hash Right Join (cost=8496.01..13692.49 rows=545 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..4470.11 rows=524 width=8) |
| Filter: (remind_user_id = 1000) |
| -> Hash (cost=5938.18..5938.18 rows=147106 width=10) |
| -> Seq Scan on tbl_comments c (cost=0.00..5938.18 rows=147106 width=10) |
| Filter: is_system |
| -> Hash (cost=4379.56..4379.56 rows=16 width=10) |
| -> Subquery Scan on sub (cost=4377.62..4379.56 rows=16 width=10) |
| -> Finalize GroupAggregate (cost=4377.62..4379.40 rows=16 width=10) |
| Group Key: uc_1.object_type |
| -> Gather Merge (cost=4377.62..4379.18 rows=12 width=10) |
| Workers Planned: 1 |
| -> Partial GroupAggregate (cost=3377.61..3377.82 rows=12 width=10) |
| Group Key: uc_1.object_type |
| -> Sort (cost=3377.61..3377.64 rows=12 width=2) |
| Sort Key: uc_1.object_type |
| -> Nested Loop (cost=0.42..3377.39 rows=12 width=2) |
| -> Parallel Seq Scan on tbl_unread_comments uc_1 (cost=0.00..3250.83 rows=15 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 |