Method get_data_as_json

sql/spatial.cc:1179–1187

bool Gis_point::get_data_as_json(String *txt, uint max_dec_digits,
                                 const char **end) const
{
  if (txt->reserve(MAX_DIGITS_IN_DOUBLE * 2 + 4))
    return 1;
  append_json_point(txt, max_dec_digits, m_data);
  *end= m_data+ POINT_DATA_SIZE;
  return 0;
}


bool Gis_point::get_mbr(MBR *mbr, const char **end) const