tenant ctx switch

src/share/ob_time_zone_info_manager.cpp

@@ -142,6 +142,7 @@ void ObTimeZoneInfoManager::TaskProcessThread::handle(void *task)
 int ObTimeZoneInfoManager::fetch_time_zone_info()
 {
   int ret = OB_SUCCESS;
+  MTL_SWITCH(tenant_id_) {
     if (OB_UNLIKELY(!inited_)) {
       ret = OB_NOT_INIT;
       LOG_WARN("not init", K(ret));
@@ -179,6 +180,8 @@ int ObTimeZoneInfoManager::fetch_time_zone_info()
         LOG_WARN("fetch timezone info from tenant tz table failed", K(ret));
       }
     }
+  }
+  
   return ret;
 }