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basecore/cloud_addtime.txt

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+DELIMITER //
+
+CREATE OR REPLACE PROCEDURE cloud_addtime(
+  IN date_utc DATETIME
+)
+/*
+  Function   : 因為所有的雲端主機, 都是存 UTC, 要 -8 換為 Taipei 時間
+  Description: 1.如果有多國的來源, 這個方法並不徹底, 目前先暫用
+               2.目前測試 -8 看起來就正常
+               3.這個 stored procedure 只是單純地在 select xx日期 時, 將時間 -8 hrs, 並不會異動資料庫的內容
+                 純粹是配合 Azure Cloud 主機的運作而已
+               CALL cloud_addtime(NOW());
+  Build Date : 2022/12/03
+  
+  Modify History
+    Item Who        Date       Modify Docs
+    ==== ========== ========== ================================================
+    1    Michael    2022/12/03 Init 
+*/
+BEGIN
+  DECLARE date_taipei DATETIME;
+  DECLARE diff_hours SMALLINT;
+
+  SELECT pvalue INTO diff_hours FROM sys_parameter WHERE systemid = 'sys' AND pid = 'diff_hours';
+  IF diff_hours IS NULL THEN
+    SET diff_hours = 8;
+  END IF;
+
+  SET date_taipei = DATE_ADD(date_utc, INTERVAL diff_hours HOUR);
+
+  SELECT date_taipei AS result; -- You can select the result or do something else with it
+END //
+
+DELIMITER ;