QUERY PLAN
Limit (cost=148.80..148.85 rows=20 width=53)
-> Sort (cost=148.80..151.49 rows=1075 width=53)
Sort Key: created_at DESC
-> Seq Scan on tbl_clients (cost=0.00..120.19 rows=1075 width=53)
Filter: ((NOT deleted) AND (((name)::text ~~* '%z%'::text) OR (pinyin_shortcut ~~* '%z%'::text)))