| Group (cost=18336.32..18340.26 rows=526 width=18) |
| Group Key: c.object_type, sub.unreadcount |
| -> Sort (cost=18336.32..18337.63 rows=526 width=10) |
| Sort Key: c.object_type, sub.unreadcount |
| -> Hash Left Join (cost=14187.74..18312.54 rows=526 width=10) |
| Hash Cond: ((c.object_type)::text = (sub.object_type)::text) |
| -> Hash Right Join (cost=9738.50..13861.79 rows=526 width=2) |
| Hash Cond: (uc.comment_id = c.id) |
| Filter: ((uc.remind_user_id = 1000) OR (c.created_by = 1000)) |
| -> Gather (cost=1000.00..4369.01 rows=488 width=8) |
| Workers Planned: 1 |
| -> Parallel Seq Scan on tbl_unread_comments uc (cost=0.00..3320.21 rows=287 width=8) |
| Filter: (remind_user_id = 1000) |
| -> Hash (cost=6073.06..6073.06 rows=153315 width=10) |
| -> Seq Scan on tbl_comments c (cost=0.00..6073.06 rows=153315 width=10) |
| Filter: is_system |
| -> Hash (cost=4449.00..4449.00 rows=19 width=10) |
| -> Subquery Scan on sub (cost=4447.00..4449.00 rows=19 width=10) |
| -> Finalize GroupAggregate (cost=4447.00..4448.81 rows=19 width=10) |
| Group Key: uc_1.object_type |
| -> Gather Merge (cost=4447.00..4448.56 rows=12 width=10) |
| Workers Planned: 1 |
| -> Partial GroupAggregate (cost=3446.99..3447.20 rows=12 width=10) |
| Group Key: uc_1.object_type |
| -> Sort (cost=3446.99..3447.02 rows=12 width=2) |
| Sort Key: uc_1.object_type |
| -> Nested Loop (cost=0.42..3446.78 rows=12 width=2) |
| -> Parallel Seq Scan on tbl_unread_comments uc_1 (cost=0.00..3320.21 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 |