Question

我有一张这样的表：

item   Desc
----   ----
CSH    Cash
CHQ    Cheque
CDJ    Cross Department
EPS    EPS

我有这样的SQL：

SELECT LISTAGG(a.item, ', ') WITHIN GROUP (ORDER BY a.item ASC) "item",
LISTAGG(a.Desc, ', ') WITHIN GROUP (ORDER BY a.Desc ASC) "Desc"
FROM tableA a;

，结果如下：

item                 Desc
----                 ----
CDJ,CHQ,CSH,EPS      Cash,Cheque,Cross Department,EPS

然而，我的预期结果是根据'Desc'的排序对'item'进行排序，这意味着：

'CSH，CHQ，CDJ，EPS'

我该怎么办呢？

Answer 1

以下是您的问题的解决方案：

SELECT LISTAGG("item", ', ') WITHIN GROUP (ORDER BY "Desc") "item",
LISTAGG("Desc", ', ') WITHIN GROUP (ORDER BY "Desc" ) "Desc"
FROM tableA;

<强>输出：

  item               |     Desc
------------------------------------------------------------
CSH, CHQ, CDJ, EPS   |   Cash, Cheque, Cross Department, EPS

演示链接：

http://sqlfiddle.com/#!4/16ed58/10

Answer 2

在listagg的两种用法中使用相同的ORDER BY：

SELECT LISTAGG(a.item, ', ') WITHIN GROUP (ORDER BY a.Desc ASC) "item",
       LISTAGG(a.Desc, ', ') WITHIN GROUP (ORDER BY a.Desc ASC) "Desc"
FROM tableA a;

LISTAGG，参考另一列更改结果排序

2 个答案: