tenant ctx switch

src/share/ob_time_zone_info_manager.cpp

@@ -142,43 +142,46 @@ void ObTimeZoneInfoManager::TaskProcessThread::handle(void *task)
 int ObTimeZoneInfoManager::fetch_time_zone_info()
 {
   int ret = OB_SUCCESS;
-  if (OB_UNLIKELY(!inited_)) {
-    ret = OB_NOT_INIT;
-    LOG_WARN("not init", K(ret));
-  } else {
-    int64_t current_tz_version = -1;
-    ObSQLClientRetryWeak sql_client_retry_weak(&sql_proxy_, tenant_id_, OB_ALL_SYS_STAT_TID);
-    SMART_VAR(ObMySQLProxy::MySQLResult, res) {
-      sqlclient::ObMySQLResult *result = NULL;
-      if (OB_FAIL(sql_client_retry_weak.read(res, tenant_id_, FETCH_LATEST_TZ_VERSION_SQL))) {
-        LOG_WARN("fail to execute sql", K(ret), K(tenant_id_));
-      } else if (OB_ISNULL(result = res.get_result())) {
-        ret = OB_ERR_UNEXPECTED;
-        LOG_WARN("fail to get result", K(result), K(ret));
-      } else if (OB_FAIL(result->next())) {
-        if (OB_ITER_END == ret) {
-          // all_sys_stat中没有timezone_version，说明处于升级过程中
-          ret = OB_SUCCESS;
-        } else {
-          LOG_WARN("ObMySQLResult next failed", K(ret));
-        }
-      } else {
-        ObString version_str;
-        EXTRACT_VARCHAR_FIELD_MYSQL(*result, "value", version_str);
-        bool is_valid = false;
-        current_tz_version = ObFastAtoi<int64_t>::atoi(version_str.ptr(),
-            version_str.ptr() + version_str.length(), is_valid);
-        if (!is_valid) {
+  MTL_SWITCH(tenant_id_) {
+    if (OB_UNLIKELY(!inited_)) {
+      ret = OB_NOT_INIT;
+      LOG_WARN("not init", K(ret));
+    } else {
+      int64_t current_tz_version = -1;
+      ObSQLClientRetryWeak sql_client_retry_weak(&sql_proxy_, tenant_id_, OB_ALL_SYS_STAT_TID);
+      SMART_VAR(ObMySQLProxy::MySQLResult, res) {
+        sqlclient::ObMySQLResult *result = NULL;
+        if (OB_FAIL(sql_client_retry_weak.read(res, tenant_id_, FETCH_LATEST_TZ_VERSION_SQL))) {
+          LOG_WARN("fail to execute sql", K(ret), K(tenant_id_));
+        } else if (OB_ISNULL(result = res.get_result())) {
           ret = OB_ERR_UNEXPECTED;
-          LOG_WARN("invalid key version", K(ret), K(version_str));
+          LOG_WARN("fail to get result", K(result), K(ret));
+        } else if (OB_FAIL(result->next())) {
+          if (OB_ITER_END == ret) {
+            // all_sys_stat中没有timezone_version，说明处于升级过程中
+            ret = OB_SUCCESS;
+          } else {
+            LOG_WARN("ObMySQLResult next failed", K(ret));
+          }
+        } else {
+          ObString version_str;
+          EXTRACT_VARCHAR_FIELD_MYSQL(*result, "value", version_str);
+          bool is_valid = false;
+          current_tz_version = ObFastAtoi<int64_t>::atoi(version_str.ptr(),
+              version_str.ptr() + version_str.length(), is_valid);
+          if (!is_valid) {
+            ret = OB_ERR_UNEXPECTED;
+            LOG_WARN("invalid key version", K(ret), K(version_str));
+          }
         }
       }
-    }
-    if (OB_FAIL(ret)) {
-    } else if (OB_FAIL(fetch_time_zone_info_from_tenant_table(current_tz_version))) {
-      LOG_WARN("fetch timezone info from tenant tz table failed", K(ret));
+      if (OB_FAIL(ret)) {
+      } else if (OB_FAIL(fetch_time_zone_info_from_tenant_table(current_tz_version))) {
+        LOG_WARN("fetch timezone info from tenant tz table failed", K(ret));
+      }
     }
   }
+  
   return ret;
 }