QUERY PLAN
Sort (cost=1.52..1.56 rows=17 width=952)
Sort Key: pinyin1 NULLS FIRST, namecut1 NULLS FIRST, pinyin2 NULLS FIRST, namecut2 NULLS FIRST, pinyin3 NULLS FIRST, namecut3 NULLS FIRST, pinyin4 NULLS FIRST, namecut4 NULLS FIRST
-> Seq Scan on tbl_users (cost=0.00..1.17 rows=17 width=952)