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                # dblink_disconnect ## Name dblink_disconnect?--?關閉遠程數據庫的持久連接 ## Synopsis ``` dblink_disconnect() returns text dblink_disconnect(text connname) returns text ``` ## 描述 `dblink_disconnect()`關閉先前通過`dblink_connect()`打開的連接。無參數形式關閉一個未命名連接。 ## 參數 `conname` 被關閉的命名連接的名稱。 ## 返回值 返回狀態始終是`OK`(因為任何錯誤導致函數拋出錯誤而不是返回)。 ## 例子 ``` SELECT dblink_disconnect(); dblink_disconnect ------------------- OK (1 row) SELECT dblink_disconnect('myconn'); dblink_disconnect ------------------- OK (1 row) ```
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