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                # dblink_error_message ## Name dblink_error_message?--?獲取命名連接上的最后錯誤信息 ## Synopsis ``` dblink_error_message(text connname) returns text ``` ## 描述 `dblink_error_message`抓取給定連接的最新遠程錯誤信息。 ## 參數 `conname` 使用連接的名字。 ## 返回值 返回最后錯誤信息,或者如果在這個連接中沒有錯誤,則返回空字符串。 ## 例子 ``` SELECT dblink_error_message('dtest1'); ```
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