9 => 12,
10 => 17, // City
11 => 17,
- 12 => 18, // Town / Village
- 13 => 18,
- 14 => 22, // Suburb
- 15 => 22,
+ 12 => 18, // Town
+ 13 => 19, // Village
+ 14 => 22, // Neighbourhood
+ 15 => 25, // Locality
16 => 26, // major street
17 => 27, // minor street
18 => 30, // or >, Building
protected function lookupLargeArea($sPointSQL, $iMaxRank)
{
+ $sCountryCode = $this->getCountryCode($sPointSQL);
+ if (CONST_Search_WithinCountries and $sCountryCode == null) {
+ return null;
+ }
+
if ($iMaxRank > 4) {
$aPlace = $this->lookupPolygon($sPointSQL, $iMaxRank);
if ($aPlace) {
// If no polygon which contains the searchpoint is found,
// searches in the country_osm_grid table for a polygon.
- return $this->lookupInCountry($sPointSQL, $iMaxRank);
+ return $this->lookupInCountry($sPointSQL, $iMaxRank, $sCountryCode);
}
- protected function lookupInCountry($sPointSQL, $iMaxRank)
+ protected function getCountryCode($sPointSQL)
{
- Debug::newFunction('lookupInCountry');
+ Debug::newFunction('getCountryCode');
// searches for polygon in table country_osm_grid which contains the searchpoint
// and searches for the nearest place node to the searchpoint in this polygon
$sSQL = 'SELECT country_code FROM country_osm_grid';
null,
'Could not determine country polygon containing the point.'
);
- Debug::printVar('Country code', $sCountryCode);
+ return $sCountryCode;
+ }
+ protected function lookupInCountry($sPointSQL, $iMaxRank, $sCountryCode)
+ {
+ Debug::newFunction('lookupInCountry');
if ($sCountryCode) {
if ($iMaxRank > 4) {
// look for place nodes with the given country code
$sSQL .= ' FROM placex';
$sSQL .= ' WHERE osm_type = \'N\'';
$sSQL .= ' AND country_code = \''.$sCountryCode.'\'';
- $sSQL .= ' AND rank_search < 26 '; // needed to select right index
+ $sSQL .= ' AND rank_address between 4 and 25'; // needed to select right index
$sSQL .= ' AND rank_search between 5 and ' .min(25, $iMaxRank);
- $sSQL .= ' AND class = \'place\' AND type != \'postcode\'';
+ $sSQL .= ' AND type != \'postcode\'';
$sSQL .= ' AND name IS NOT NULL ';
$sSQL .= ' and indexed_status = 0 and linked_place_id is null';
- $sSQL .= ' AND ST_DWithin('.$sPointSQL.', geometry, 1.8)) p ';
+ $sSQL .= ' AND ST_Buffer(geometry, reverse_place_diameter(rank_search)) && '.$sPointSQL;
+ $sSQL .= ') as a ';
$sSQL .= 'WHERE distance <= reverse_place_diameter(rank_search)';
$sSQL .= ' ORDER BY rank_search DESC, distance ASC';
$sSQL .= ' LIMIT 1';
$sSQL .= '(select place_id, parent_place_id, rank_address, rank_search, country_code, geometry';
$sSQL .= ' FROM placex';
$sSQL .= ' WHERE ST_GeometryType(geometry) in (\'ST_Polygon\', \'ST_MultiPolygon\')';
- $sSQL .= ' AND rank_address Between 5 AND ' .$iMaxRank;
+ // Ensure that query planner doesn't use the index on rank_search.
+ $sSQL .= ' AND coalesce(rank_search, 0) between 5 and ' .$iMaxRank;
+ $sSQL .= ' AND rank_address between 4 and 25'; // needed for index selection
$sSQL .= ' AND geometry && '.$sPointSQL;
$sSQL .= ' AND type != \'postcode\' ';
$sSQL .= ' AND name is not null';
$sSQL .= ' AND indexed_status = 0 and linked_place_id is null';
- $sSQL .= ' ORDER BY rank_address DESC LIMIT 50 ) as a';
- $sSQL .= ' WHERE ST_CONTAINS(geometry, '.$sPointSQL.' )';
- $sSQL .= ' ORDER BY rank_address DESC LIMIT 1';
+ $sSQL .= ' ORDER BY rank_search DESC LIMIT 50 ) as a';
+ $sSQL .= ' WHERE ST_Contains(geometry, '.$sPointSQL.' )';
+ $sSQL .= ' ORDER BY rank_search DESC LIMIT 1';
Debug::printSQL($sSQL);
$aPoly = $this->oDB->getRow($sSQL, null, 'Could not determine polygon containing the point.');
$iRankSearch = $aPoly['rank_search'];
$iPlaceID = $aPoly['place_id'];
- if ($iRankAddress != $iMaxRank) {
+ if ($iRankSearch != $iMaxRank) {
$sSQL = 'SELECT place_id FROM ';
$sSQL .= '(SELECT place_id, rank_search, country_code, geometry,';
$sSQL .= ' ST_distance('.$sPointSQL.', geometry) as distance';
$sSQL .= ' FROM placex';
$sSQL .= ' WHERE osm_type = \'N\'';
- // using rank_search because of a better differentiation
- // for place nodes at rank_address 16
$sSQL .= ' AND rank_search > '.$iRankSearch;
$sSQL .= ' AND rank_search <= '.$iMaxRank;
- $sSQL .= ' AND rank_search < 26 '; // needed to select right index
- $sSQL .= ' AND rank_address > 0';
- $sSQL .= ' AND class = \'place\'';
+ $sSQL .= ' AND rank_address between 4 and 25'; // needed to select right index
$sSQL .= ' AND type != \'postcode\'';
$sSQL .= ' AND name IS NOT NULL ';
$sSQL .= ' AND indexed_status = 0 AND linked_place_id is null';
- $sSQL .= ' AND ST_DWithin('.$sPointSQL.', geometry, reverse_place_diameter('.$iRankSearch.'::smallint))';
- $sSQL .= ' ORDER BY distance ASC,';
- $sSQL .= ' rank_address DESC';
- $sSQL .= ' limit 500) as a';
- $sSQL .= ' WHERE ST_CONTAINS((SELECT geometry FROM placex WHERE place_id = '.$iPlaceID.'), geometry )';
+ $sSQL .= ' AND ST_Buffer(geometry, reverse_place_diameter(rank_search)) && '.$sPointSQL;
+ $sSQL .= ' ORDER BY rank_search DESC, distance ASC';
+ $sSQL .= ' limit 100) as a';
+ $sSQL .= ' WHERE ST_Contains((SELECT geometry FROM placex WHERE place_id = '.$iPlaceID.'), geometry )';
$sSQL .= ' AND distance <= reverse_place_diameter(rank_search)';
- $sSQL .= ' ORDER BY distance ASC, rank_search DESC';
+ $sSQL .= ' ORDER BY rank_search DESC, distance ASC';
$sSQL .= ' LIMIT 1';
Debug::printSQL($sSQL);
projects / nominatim.git / blobdiff