我有一個關於FLWOR連接的問題。以下是我的XML的外觀概述。使用FLWOR連接表格
<user>
<user-id>...</user-id>
<username>...</username>
<password>...</password>
<!-- By schema file, there could be unbounded role-ids -->
<role-id>...</role-id>
<role-id>...</role-id>
<role-id>...</role-id>
</user>
<role>
<role-id>...</role-id>
<name>...</name>
<!-- By schema file, there could be unbounded permission-ids -->
<permission-id>...</permission-id>
<permission-id>...</permission-id>
<permission-id>...</permission-id>
</role>
<permission>
<permission-id>...</permission-id>
<resource-id>...</resource-id>
<operation-id>...</operation-id>
</permission>
我有FLWOR表達式,查詢,它應該返回權限的序列給定用戶。它應該很簡單,但我無法弄清楚爲什麼每次運行查詢時都會得到一個空的ResourceSet。
for $i in collection("data/rbac/users")/user[user-id="..."]/role-id
for $j in collection("data/rbac/roles")/roles/role
for $k in collection("data/rbac/permissions")/permission
where $i = $j/role-id and exists($j/permission-id[. = $k/permission-id])
return $k
任何建議,非常感謝。 謝謝,
伊戈爾
我忘了提。有一個 ... 包裝 .. 元素,因此要訪問角色,我必須首先訪問角色。無論如何,感謝努力! –
Igor