function ResetCacheArray()
  {
    // First, we reset all values (we know the key based on the schema)
    reset($this->_sql_tables_schema['cache']);
    while(list($valid_key, $valid_format) = @each($this->_sql_tables_schema['cache'])) {
      $pos = mb_strpos(mb_strtoupper($valid_format), 'DEFAULT');
      $value = "";
      if ($pos !== FALSE) {
        $value = trim(substr($valid_format, $pos + strlen("DEFAULT")));
        if (("'" == substr($value,0,1)) && ("'" == substr($value,-1))) {
          $value = substr($value,1,-1);
        }
      }
      $this->_cache_data[$valid_key] = $value;
    }
  }