Method Item_decimal

sql/item.cc:1161–1172

Item_decimal::Item_decimal(const char *str_arg, uint length,
                           const CHARSET_INFO *charset)
{
  str2my_decimal(E_DEC_FATAL_ERROR, str_arg, length, charset, &decimal_value);
  item_name.set(str_arg);
  decimals= (uint8) decimal_value.frac;
  fixed= 1;
  max_length= my_decimal_precision_to_length_no_truncation(decimal_value.intg +
                                                           decimals,
                                                           decimals,
                                                           unsigned_flag);
}

Item_decimal::Item_decimal(longlong val, bool unsig)
{