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我有这个查询，它根据所选的 LOV 参数提取结果：nvl(:Role, role))

SELECT role,subject 
FROM HS_SUBJECT_INCIDENTS 
WHERE entitlement not in(select entitlement from HS_SUBJECT_INCIDENTS where role in nvl(:Role, role))
AND subject in (select subject from HS_SUBJECT_INCIDENTS where role in nvl(:Role, role))

因此，如果用户选择“财务”作为参数值，结果现在显示：

|   Role    | Subject  | 
------------------------
| Marketing | Business |  
| Marketing | Business |  
| Analytics | Business |

我希望结果显示如下：

|   Role    | Subject  | SelectedParameter |
--------------------------------------------
| Marketing | Business |  Finance          |
| Marketing | Business |  Finance          |
| Analytics | Business |  Finance          |

我必须在 select 语句中添加什么以包含所选参数值的列？

4

1 回答 1

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只需选择它：

SELECT role, subject, :Role as SelectedParameter
FROM . . .
于 2019-09-13T17:05:23.823 回答