  binlog_cache_data(): m_pending(0), before_stmt_pos(MY_OFF_T_UNDEF),
  incident(FALSE), changes_to_non_trans_temp_table_flag(FALSE),
  saved_max_binlog_cache_size(0), ptr_binlog_cache_use(0),
  ptr_binlog_cache_disk_use(0)
  { }
  binlog_cache_data(): m_pending(0), before_stmt_pos(MY_OFF_T_UNDEF),
  incident(FALSE), changes_to_non_trans_temp_table_flag(FALSE),
  saved_max_binlog_cache_size(0), ptr_binlog_cache_use(0),
  ptr_binlog_cache_disk_use(0)
  { }