QUERY PLAN
Limit (cost=137.63..137.68 rows=20 width=53)
-> Sort (cost=137.63..139.82 rows=877 width=53)
Sort Key: created_at DESC
-> Seq Scan on tbl_clients (cost=0.00..114.29 rows=877 width=53)
Filter: ((NOT deleted) AND (((name)::text ~~* '%北京%'::text) OR (pinyin_shortcut ~~* '%北京%'::text)))