您可以使用 row_number() 枚举行并制作 pivot:

You could enumerate rows with row_number() and make pivot:

^{SQLFiddle 演示}

select * 
  from (
    select d.*, row_number() over(partition by type order by id) rn from data d)
  pivot (max(type) type, max(id) id for type in ('test1' t1, 'test2' t2))