QUERY PLAN
Sort (cost=8.47..8.55 rows=30 width=52)
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..7.74 rows=30 width=52)
Filter: (user_status = '1'::type_global_user_status)