Function if

sql/sql_lex.cc:1293–1298

	}
#ifdef USE_MB
        else if (use_mb(cs))
        {
          if ((var_length= my_ismbchar(cs, lip->get_ptr() - 1,
                                       lip->get_end_of_query())))
            lip->skip_binary(var_length-1);
        }
#endif
      }
      if (double_quotes)