QUERY PLAN
Limit (cost=72.29..72.32 rows=10 width=388)
-> Sort (cost=72.29..72.53 rows=94 width=388)
Sort Key: s.created_at DESC
-> HashAggregate (cost=68.62..70.26 rows=94 width=388)
Group Key: s.id
-> Hash Right Join (cost=57.50..68.32 rows=119 width=364)
Hash Cond: (turs.task_group_id = s.id)
-> Seq Scan on tbl_task_group_user_relationships turs (cost=0.00..7.83 rows=483 width=4)
-> Hash (cost=57.21..57.21 rows=23 width=364)
-> Hash Right Join (cost=49.99..57.21 rows=23 width=364)
Hash Cond: (thrs.task_group_id = s.id)
-> Seq Scan on tbl_task_group_head_of_relationships thrs (cost=0.00..5.70 rows=370 width=4)
-> Hash (cost=49.92..49.92 rows=6 width=364)
-> Nested Loop Left Join (cost=17.19..49.92 rows=6 width=364)
Filter: ((lower((client.name)::text) ~~ '%2%'::text) OR (client.pinyin_shortcut ~~ '%2%'::text) OR (lower((s.title)::text) ~~ '%2%'::text) OR (lower(s.description) ~~ '%2%'::text))
-> Hash Join (cost=16.91..30.11 rows=6 width=364)
Hash Cond: (s.head_of = u.id)
-> Seq Scan on tbl_task_groups s (cost=0.00..12.94 rows=94 width=364)
-> Hash (cost=16.80..16.80 rows=9 width=4)
-> Seq Scan on tbl_users u (cost=0.00..16.80 rows=9 width=4)
Filter: (department_id = 9)
-> Index Scan using tbl_clients_pkey on tbl_clients client (cost=0.28..3.27 rows=1 width=59)
Index Cond: (id = s.client_id)
Filter: (NOT deleted)