Function my_xpath_parse_Number

sql/item_xmlfunc.cc:2361–2377

Scan Number SYNOPSYS [30] Number ::= Digits ('.' Digits?)? | '.' Digits) or in other words: [30] Number ::= Digits | Digits '.' | Digits '.' Digits | '.' Digits Note: the last rule is not supported yet, as it is in conflict with abbreviated step. 1 + .123 does not work, 1 + 0.123 does. Perhaps it is better

    0 - failure
*/
static int my_xpath_parse_Number(MY_XPATH *xpath)
{
  const char *beg;
  if (!my_xpath_parse_term(xpath, MY_XPATH_LEX_DIGITS))
    return 0;
  beg= xpath->prevtok.beg;
  if (!my_xpath_parse_term(xpath, MY_XPATH_LEX_DOT))
  {
    xpath->item= new Item_int(xpath->prevtok.beg,
                              xpath->prevtok.end - xpath->prevtok.beg);
    return 1;
  }
  my_xpath_parse_term(xpath, MY_XPATH_LEX_DIGITS);

  xpath->item= new Item_float(beg, xpath->prevtok.end - beg);
  return 1;
}


/*