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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                * 臨時函數僅對當前 session(黑窗口)有效,一旦退出 HIVE 客戶端,自定義臨時函數自動被刪除。 * 臨時函數在所有的數據庫中都有效 按照【自定義Hive函數流程】將jar包添加到Hive的class path路徑上后,當在Hive使用`create temporary`關鍵字定義函數時,則該函數就是臨時函數。 ```sql ######### 創建自定義臨時函數 ############ 0: jdbc:hive2://hadoop101:10000> create temporary function my_lower as 'udf.Str2Lower'; No rows affected (0.02 seconds) ######### 刪除自定義臨時函數 ############ hive (test)> drop temporary function my_lower; ```
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