记录内值排序
【问题】
could anyone please suggest a way to accomplish this.
i have a table which consists of six columns :
Table name : orders
num1 number, num2 number , num3 number , num4 number , num5 number , num6 number
there is a routine which fills the data in this table ..but the order of the inserted data is casual.
my requirement is to create a view over this table in an organized manner >
example , say this is a row in the table :
num1 ,num2 , num3 , num4, num5 , num6
------------------------------------------------------------------------
2 7 38 8 19 49
i need to order content of this row in way i have in the view the data ordered in ascending , so the data should appear in the view in the following way>
num1 ,num2 , num3 , num4 , num5 , num6
--------------------------------------------------------------------
2 7 8 19 38 49
【回答】
需求是把源表中每行数据中的数据排序，重新填到改行中。SQL 不擅长这种计算，而使用 SPL 来完成很简单：
| A | |
|---|---|
| 1 | =connect("test") |
| 2 | =A1.query("select * from arangeRow") |
| 3 | =A2.(~.record(~.array().sort())) |
A1: 连接数据库。
A2：查询源表。
A3：根据 A2 每条记录转换成数组重排，再填回去。
A2
A2
