Method charpos

sql/sql_string.h:132–135

    return m_charset->lengthsp(str, length);
  }
  size_t charpos(const char *str, const char *end, size_t pos) const
  {
    return m_charset->charpos(str, end, pos);
  }
  void set_charset(CHARSET_INFO *charset_arg)
  {
    m_charset= charset_arg;