Postgresql, 求一条sql.

产生n行结果:

result
======
1
2
3
...
n

oracle的类似语法:

select level from dual connect by level<= 10;

---

找到了

select generate_series(1,10);

更新

标准sql, 则可以需要动态生成sql如下:

select 1
union all
select 2
union all
select 3
...