@Override
  public void shutdown() {
    if (dataSource instanceof AutoCloseable) {
      try {
        ((AutoCloseable) dataSource).close();
      } catch (Exception e) {
        logger.error("Failed to close data source: ", e);
      }
    }
  }
Copy the row of table {@link AggregatedAccountReportsDao#AGGREGATED_ACCOUNT_REPORTS_TABLE} to {@link AggregatedAccountReportsDao#MONTHLY_AGGREGATED_ACCOUNT_REPORTS_TABLE}
and update the {@code monthValue} in table {@link AggregatedAccountReportsDao#AGGREGATED_ACCOUNT_REPORTS_MONTH_TABLE}.
@param monthValue The month value.
@throws Exception
ambry-mysql/src/main/java/com/github/ambry/accountstats/AccountStatsMySqlStore.java