protected $iMinAddressRank = 0;
protected $iMaxAddressRank = 30;
protected $aAddressRankList = array();
+ protected $exactMatchCache = array();
protected $sAllowedTypesSQLList = false;
// Get the details for display (is this a redundant extra step?)
$sPlaceIDs = join(',',$aPlaceIDs);
- $sSQL = "select osm_type,osm_id,class,type,admin_level,rank_search,rank_address,min(place_id) as place_id,calculated_country_code as country_code,";
+ $sSQL = "select osm_type,osm_id,class,type,admin_level,rank_search,rank_address,min(place_id) as place_id, min(parent_place_id) as parent_place_id, calculated_country_code as country_code,";
$sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
$sSQL .= "get_name_by_language(name, $sLanguagePrefArraySQL) as placename,";
$sSQL .= "get_name_by_language(name, ARRAY['ref']) as ref,";
$sSQL .= "avg(ST_X(centroid)) as lon,avg(ST_Y(centroid)) as lat, ";
$sSQL .= "coalesce(importance,0.75-(rank_search::float/40)) as importance, ";
- $sSQL .= "(select max(p.importance*(p.rank_address+2)) from place_addressline s, placex p where s.place_id = min(placex.place_id) and p.place_id = s.address_place_id and s.isaddress and p.importance is not null) as addressimportance, ";
+ $sSQL .= "(select max(p.importance*(p.rank_address+2)) from place_addressline s, placex p where s.place_id = min(CASE WHEN placex.rank_search < 28 THEN placex.place_id ELSE placex.parent_place_id END) and p.place_id = s.address_place_id and s.isaddress and p.importance is not null) as addressimportance, ";
$sSQL .= "(extratags->'place') as extra_place ";
$sSQL .= "from placex where place_id in ($sPlaceIDs) ";
$sSQL .= "and (placex.rank_address between $this->iMinAddressRank and $this->iMaxAddressRank ";
if (30 >= $this->iMinAddressRank && 30 <= $this->iMaxAddressRank)
{
$sSQL .= " union ";
- $sSQL .= "select 'T' as osm_type,place_id as osm_id,'place' as class,'house' as type,null as admin_level,30 as rank_search,30 as rank_address,min(place_id) as place_id,'us' as country_code,";
+ $sSQL .= "select 'T' as osm_type,place_id as osm_id,'place' as class,'house' as type,null as admin_level,30 as rank_search,30 as rank_address,min(place_id) as place_id, min(parent_place_id) as parent_place_id,'us' as country_code,";
$sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
$sSQL .= "null as placename,";
$sSQL .= "null as ref,";
$sSQL .= "avg(ST_X(centroid)) as lon,avg(ST_Y(centroid)) as lat, ";
$sSQL .= "-0.15 as importance, ";
- $sSQL .= "(select max(p.importance*(p.rank_address+2)) from place_addressline s, placex p where s.place_id = min(location_property_tiger.place_id) and p.place_id = s.address_place_id and s.isaddress and p.importance is not null) as addressimportance, ";
+ $sSQL .= "(select max(p.importance*(p.rank_address+2)) from place_addressline s, placex p where s.place_id = min(location_property_tiger.parent_place_id) and p.place_id = s.address_place_id and s.isaddress and p.importance is not null) as addressimportance, ";
$sSQL .= "null as extra_place ";
$sSQL .= "from location_property_tiger where place_id in ($sPlaceIDs) ";
$sSQL .= "and 30 between $this->iMinAddressRank and $this->iMaxAddressRank ";
$sSQL .= "group by place_id";
if (!$this->bDeDupe) $sSQL .= ",place_id";
$sSQL .= " union ";
- $sSQL .= "select 'L' as osm_type,place_id as osm_id,'place' as class,'house' as type,null as admin_level,30 as rank_search,30 as rank_address,min(place_id) as place_id,'us' as country_code,";
+ $sSQL .= "select 'L' as osm_type,place_id as osm_id,'place' as class,'house' as type,null as admin_level,30 as rank_search,30 as rank_address,min(place_id) as place_id, min(parent_place_id) as parent_place_id,'us' as country_code,";
$sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
$sSQL .= "null as placename,";
$sSQL .= "null as ref,";
$sSQL .= "avg(ST_X(centroid)) as lon,avg(ST_Y(centroid)) as lat, ";
$sSQL .= "-0.10 as importance, ";
- $sSQL .= "(select max(p.importance*(p.rank_address+2)) from place_addressline s, placex p where s.place_id = min(location_property_aux.place_id) and p.place_id = s.address_place_id and s.isaddress and p.importance is not null) as addressimportance, ";
+ $sSQL .= "(select max(p.importance*(p.rank_address+2)) from place_addressline s, placex p where s.place_id = min(location_property_aux.parent_place_id) and p.place_id = s.address_place_id and s.isaddress and p.importance is not null) as addressimportance, ";
$sSQL .= "null as extra_place ";
$sSQL .= "from location_property_aux where place_id in ($sPlaceIDs) ";
$sSQL .= "and 30 between $this->iMinAddressRank and $this->iMaxAddressRank ";
return $aSearchResults;
}
+ /* Perform the actual query lookup.
+
+ Returns an ordered list of results, each with the following fields:
+ osm_type: type of corresponding OSM object
+ N - node
+ W - way
+ R - relation
+ P - postcode (internally computed)
+ osm_id: id of corresponding OSM object
+ class: general object class (corresponds to tag key of primary OSM tag)
+ type: subclass of object (corresponds to tag value of primary OSM tag)
+ admin_level: see http://wiki.openstreetmap.org/wiki/Admin_level
+ rank_search: rank in search hierarchy
+ (see also http://wiki.openstreetmap.org/wiki/Nominatim/Development_overview#Country_to_street_level)
+ rank_address: rank in address hierarchy (determines orer in address)
+ place_id: internal key (may differ between different instances)
+ country_code: ISO country code
+ langaddress: localized full address
+ placename: localized name of object
+ ref: content of ref tag (if available)
+ lon: longitude
+ lat: latitude
+ importance: importance of place based on Wikipedia link count
+ addressimportance: cumulated importance of address elements
+ extra_place: type of place (for admin boundaries, if there is a place tag)
+ aBoundingBox: bounding Box
+ label: short description of the object class/type (English only)
+ name: full name (currently the same as langaddress)
+ foundorder: secondary ordering for places with same importance
+ */
function lookup()
{
if (!$this->sQuery && !$this->aStructuredQuery) return false;
$aOrder[] = "$sImportanceSQL DESC";
if (sizeof($aSearch['aFullNameAddress']))
{
- $aOrder[] = '(select count(*) from (select unnest(ARRAY['.join($aSearch['aFullNameAddress'],",").']) INTERSECT select unnest(nameaddress_vector))s) DESC';
+ $sExactMatchSQL = '(select count(*) from (select unnest(ARRAY['.join($aSearch['aFullNameAddress'],",").']) INTERSECT select unnest(nameaddress_vector))s) as exactmatch';
+ $aOrder[] = 'exactmatch DESC';
+ } else {
+ $sExactMatchSQL = '0::int as exactmatch';
}
if (sizeof($aTerms))
{
- $sSQL = "select place_id";
+ $sSQL = "select place_id, ";
+ $sSQL .= $sExactMatchSQL;
$sSQL .= " from search_name";
$sSQL .= " where ".join(' and ',$aTerms);
$sSQL .= " order by ".join(', ',$aOrder);
//if ($aViewBoxRow['in_small'] == 't') $bViewBoxMatch = 1;
//else if ($aViewBoxRow['in_large'] == 't') $bViewBoxMatch = 2;
$aPlaceIDs[] = $aViewBoxRow['place_id'];
+ $this->exactMatchCache[$aViewBoxRow['place_id']] = $aViewBoxRow['exactmatch'];
}
}
//var_Dump($aPlaceIDs);
$aResult['importance'] = $aResult['importance'] + ($iCountWords*0.1); // 0.1 is a completely arbitrary number but something in the range 0.1 to 0.5 would seem right
$aResult['name'] = $aResult['langaddress'];
- $aResult['foundorder'] = -$aResult['addressimportance'];
+ // secondary ordering (for results with same importance (the smaller the better):
+ // - approximate importance of address parts
+ $aResult['foundorder'] = -$aResult['addressimportance']/10;
+ // - number of exact matches from the query
+ if (isset($this->exactMatchCache[$aResult['place_id']]))
+ $aResult['foundorder'] -= $this->exactMatchCache[$aResult['place_id']];
+ else if (isset($this->exactMatchCache[$aResult['parent_place_id']]))
+ $aResult['foundorder'] -= $this->exactMatchCache[$aResult['parent_place_id']];
+ // - importance of the class/type
+ if (isset($aClassType[$aResult['class'].':'.$aResult['type']]['importance'])
+ && $aClassType[$aResult['class'].':'.$aResult['type']]['importance'])
+ {
+ $aResult['foundorder'] = $aResult['foundorder'] + 0.000001 * $aClassType[$aResult['class'].':'.$aResult['type']]['importance'];
+ }
+ else
+ {
+ $aResult['foundorder'] = $aResult['foundorder'] + 0.001;
+ }
$aSearchResults[$iResNum] = $aResult;
}
uasort($aSearchResults, 'byImportance');
projects / nominatim.git / blobdiff