Function my_xpath_parse

sql/item_xmlfunc.cc:2562–2574

Scan an XPath expression SYNOPSYS Scan xpath expression. The expression is returned in xpath->expr. RETURN 1 - success 0 - failure */

    0 - failure
*/
static int
my_xpath_parse(MY_XPATH *xpath, const char *str, const char *strend)
{
  my_xpath_lex_init(&xpath->query, str, strend);
  my_xpath_lex_init(&xpath->prevtok, str, strend);
  my_xpath_lex_scan(xpath, &xpath->lasttok, str, strend);

  xpath->rootelement= new Item_nodeset_func_rootelement(xpath->pxml);

  return
     my_xpath_parse_Expr(xpath) &&
     my_xpath_parse_term(xpath, MY_XPATH_LEX_EOF);
}


void Item_xml_str_func::parse_xpath(Item* xpath_expr)