foreign_storage::anonymous_namespace{TextFileBufferParser.cpp} Namespace Reference

Functions
bool	set_coordinates_from_separate_lon_lat_columns (const std::string_view lon_str, const std::string_view lat_str, SQLTypeInfo &ti, std::vector< double > &coords, const bool is_lon_lat_order)

Function Documentation

bool foreign_storage::anonymous_namespace{TextFileBufferParser.cpp}::set_coordinates_from_separate_lon_lat_columns	(	const std::string_view	lon_str,
		const std::string_view	lat_str,
		SQLTypeInfo &	ti,
		std::vector< double > &	coords,
		const bool	is_lon_lat_order
	)

Definition at line 129 of file TextFileBufferParser.cpp.

References Geospatial::GeoPoint::getColumns(), foreign_storage::TextFileBufferParser::isCoordinateScalar(), gpu_enabled::swap(), and SQLTypeInfo::transforms().

Referenced by foreign_storage::TextFileBufferParser::processGeoColumn().

                                                                                {
  double lon = std::atof(std::string(lon_str).c_str());
  double lat = NAN;

  if (TextFileBufferParser::isCoordinateScalar(lat_str)) {
    lat = std::atof(std::string(lat_str).c_str());
  }

  // Swap coordinates if this table uses a reverse order: lat/lon
  if (!is_lon_lat_order) {
    std::swap(lat, lon);
  }

  // TODO: should check if POINT column should have been declared with
  // SRID WGS 84, EPSG 4326 ? if (col_ti.get_dimension() != 4326) {
  //  throw std::runtime_error("POINT column " + cd->columnName + " is
  //  not WGS84, cannot insert lon/lat");
  // }

  if (std::isinf(lat) || std::isnan(lat) || std::isinf(lon) || std::isnan(lon)) {
    return false;
  }

  if (ti.transforms()) {
    Geospatial::GeoPoint pt{std::vector<double>{lon, lat}};
    if (!pt.transform(ti)) {
      return false;
    }
    pt.getColumns(coords);
    return true;
  }

  coords.push_back(lon);
  coords.push_back(lat);
  return true;
}

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