public synchronized Container getContainerByName(int accountId, String containerName) throws SQLException {
    return accountDao.getContainerByName(accountId, containerName);
  }
Gets container by its name and parent account Id.
@param accountId the id for the parent account.
@param containerName name of the container.
@return {@link Container} if found in mysql db or {@code null} if it doesn't exist.
@throws SQLException
ambry-account/src/main/java/com/github/ambry/account/mysql/MySqlAccountStore.java