Method is_binlog_empty

phx_percona/percona/sql/binlog.cc:750–752

Convenience method to check if both caches are empty. */

    Convenience method to check if both caches are empty.
   */
  bool is_binlog_empty() const {
    return stmt_cache.is_binlog_empty() && trx_cache.is_binlog_empty();
  }

  /*
    clear stmt_cache and trx_cache if they are not empty