| Sort (cost=23802.29..23808.40 rows=2444 width=18) |
| Sort Key: c.object_type |
| -> HashAggregate (cost=23640.31..23664.75 rows=2444 width=18) |
| Group Key: c.object_type, sub.unreadcount |
| -> Hash Left Join (cost=18238.97..23600.03 rows=8056 width=10) |
| Hash Cond: ((c.object_type)::text = (sub.object_type)::text) |
| -> Hash Right Join (cost=7366.74..12704.92 rows=8056 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..5232.30 rows=40338 width=8) |
| Filter: (remind_user_id = 1001) |
| -> Hash (cost=6933.05..6933.05 rows=34695 width=10) |
| -> Seq Scan on tbl_comments c (cost=0.00..6933.05 rows=34695 width=10) |
| Filter: (NOT is_system) |
| -> Hash (cost=10871.65..10871.65 rows=47 width=11) |
| -> Subquery Scan on sub (cost=10863.20..10871.65 rows=47 width=11) |
| -> Finalize GroupAggregate (cost=10863.20..10871.18 rows=47 width=11) |
| Group Key: uc_1.object_type |
| -> Gather Merge (cost=10863.20..10870.47 rows=47 width=11) |
| Workers Planned: 1 |
| -> Partial GroupAggregate (cost=9863.19..9865.17 rows=47 width=11) |
| Group Key: uc_1.object_type |
| -> Sort (cost=9863.19..9863.69 rows=202 width=3) |
| Sort Key: uc_1.object_type |
| -> Nested Loop (cost=0.42..9855.45 rows=202 width=3) |
| -> Parallel Seq Scan on tbl_unread_comments uc_1 (cost=0.00..3808.29 rows=1254 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: (NOT is_system) |