Group (cost=18344.51..18348.45 rows=526 width=18) |
Group Key: c.object_type, sub.unreadcount |
-> Sort (cost=18344.51..18345.82 rows=526 width=10) |
Sort Key: c.object_type, sub.unreadcount |
-> Hash Left Join (cost=14193.67..18320.74 rows=526 width=10) |
Hash Cond: ((c.object_type)::text = (sub.object_type)::text) |
-> Hash Right Join (cost=9742.28..13867.83 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..4371.27 rows=489 width=8) |
Workers Planned: 1 |
-> Parallel Seq Scan on tbl_unread_comments uc (cost=0.00..3322.37 rows=288 width=8) |
Filter: (remind_user_id = 1000) |
-> Hash (cost=6075.94..6075.94 rows=153387 width=10) |
-> Seq Scan on tbl_comments c (cost=0.00..6075.94 rows=153387 width=10) |
Filter: is_system |
-> Hash (cost=4451.16..4451.16 rows=19 width=10) |
-> Subquery Scan on sub (cost=4449.16..4451.16 rows=19 width=10) |
-> Finalize GroupAggregate (cost=4449.16..4450.97 rows=19 width=10) |
Group Key: uc_1.object_type |
-> Gather Merge (cost=4449.16..4450.72 rows=12 width=10) |
Workers Planned: 1 |
-> Partial GroupAggregate (cost=3449.15..3449.36 rows=12 width=10) |
Group Key: uc_1.object_type |
-> Sort (cost=3449.15..3449.18 rows=12 width=2) |
Sort Key: uc_1.object_type |
-> Nested Loop (cost=0.42..3448.93 rows=12 width=2) |
-> Parallel Seq Scan on tbl_unread_comments uc_1 (cost=0.00..3322.37 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 |