QUERY PLAN
Sort (cost=15.77..15.80 rows=10 width=39)
Sort Key: u.pinyin1 NULLS FIRST, u.namecut1 NULLS FIRST, u.pinyin2 NULLS FIRST, u.namecut2 NULLS FIRST, u.pinyin3 NULLS FIRST, u.namecut3 NULLS FIRST, u.pinyin4 NULLS FIRST, u.namecut4 NULLS FIRST
-> Hash Left Join (cost=9.24..15.61 rows=10 width=39)
Hash Cond: (c.user_id = u.id)
-> Seq Scan on tbl_task_group_head_of_relationships c (cost=0.00..6.34 rows=10 width=8)
Filter: (task_group_id = ANY ('{67,60,59,58,57,56,55,51,46,43}'::integer[]))
-> Hash (cost=7.44..7.44 rows=144 width=35)
-> Seq Scan on tbl_users u (cost=0.00..7.44 rows=144 width=35)