+
+ public function queryCountry(&$oDB, $sViewboxSQL)
+ {
+ $sSQL = 'SELECT place_id FROM placex ';
+ $sSQL .= "WHERE country_code='".$this->sCountryCode."'";
+ $sSQL .= ' AND rank_search = 4';
+ if ($ViewboxSQL) {
+ $sSQL .= " AND ST_Intersects($sViewboxSQL, geometry)";
+ }
+ $sSQL .= " ORDER BY st_area(geometry) DESC LIMIT 1";
+
+ if (CONST_Debug) var_dump($sSQL);
+
+ return chksql($oDB->getCol($sSQL));
+ }
+
+ public function queryNearbyPoi(&$oDB, $sCountryList, $sViewboxSQL, $sViewboxCentreSQL, $sExcludeSQL, $iLimit)
+ {
+ if (!$this->sClass) {
+ return array();
+ }
+
+ $sPoiTable = $this->poiTable();
+
+ $sSQL = 'SELECT count(*) FROM pg_tables WHERE tablename = \''.$sPoiTable."'";
+ if (chksql($oDB->getOne($sSQL))) {
+ $sSQL = 'SELECT place_id FROM '.$sPoiTable.' ct';
+ if ($sCountryList) {
+ $sSQL .= ' JOIN placex USING (place_id)';
+ }
+ if ($this->oNearPoint) {
+ $sSQL .= ' WHERE '.$this->oNearPoint->withinSQL('ct.centroid');
+ } else {
+ $sSQL .= " WHERE ST_Contains($sViewboxSQL, ct.centroid)";
+ }
+ if ($sCountryList) {
+ $sSQL .= " AND country_code in ($sCountryList)";
+ }
+ if ($sExcludeSQL) {
+ $sSQL .= ' AND place_id not in ('.$sExcludeSQL.')';
+ }
+ if ($sViewboxCentreSQL) {
+ $sSQL .= " ORDER BY ST_Distance($sViewboxCentreSQL, ct.centroid) ASC";
+ } elseif ($this->oNearPoint) {
+ $sSQL .= ' ORDER BY '.$this->oNearPoint->distanceSQL('ct.centroid').' ASC';
+ }
+ $sSQL .= " limit $iLimit";
+ if (CONST_Debug) var_dump($sSQL);
+ return chksql($this->oDB->getCol($sSQL));
+ }
+
+ if ($this->oNearPoint) {
+ $sSQL = 'SELECT place_id FROM placex WHERE ';
+ $sSQL .= 'class=\''.$this->sClass."' and type='".$this->sType."'";
+ $sSQL .= ' AND '.$this->oNearPoint->withinSQL('geometry');
+ $sSQL .= ' AND linked_place_id is null';
+ if ($sCountryList) {
+ $sSQL .= " AND country_code in ($sCountryList)";
+ }
+ $sSQL .= ' ORDER BY '.$this->oNearPoint->distanceSQL('centroid')." ASC";
+ $sSQL .= " LIMIT $iLimit";
+ if (CONST_Debug) var_dump($sSQL);
+ return chksql($this->oDB->getCol($sSQL));
+ }
+
+ return array();
+ }
+
+ public function queryPostcode(&$oDB, $sCountryList, $iLimit)
+ {
+ $sSQL = 'SELECT p.place_id FROM location_postcode p ';
+
+ if (sizeof($this->aAddress)) {
+ $sSQL .= ', search_name s ';
+ $sSQL .= 'WHERE s.place_id = p.parent_place_id ';
+ $sSQL .= 'AND array_cat(s.nameaddress_vector, s.name_vector)';
+ $sSQL .= ' @> '.$this->addressArraySQL().' AND ';
+ } else {
+ $sSQL .= 'WHERE ';
+ }
+
+ $sSQL .= "p.postcode = '".pg_escape_string(reset($this->$aName))."'";
+ $sCountryTerm = $this->countryCodeSQL('p.country_code', $sCountryList);
+ if ($sCountryTerm) {
+ $sSQL .= ' AND '.$sCountyTerm;
+ }
+ $sSQL .= " LIMIT $iLimit";
+
+ if (CONST_Debug) var_dump($sSQL);
+
+ return chksql($this->oDB->getCol($sSQL));
+ }
+
+ public function queryNamedPlace(&$oDB, $aWordFrequencyScores, $sCountryList, $iMinAddressRank, $iMaxAddressRank, $sExcludeSQL, $sViewboxSmall, $sViewboxLarge, $iLimit)
+ {
+ $aTerms = array();
+ $aOrder = array();
+
+ if ($this->sHouseNumber && sizeof($this->aAddress)) {
+ $sHouseNumberRegex = '\\\\m'.$this->sHouseNumber.'\\\\M';
+ $aOrder[] = ' (';
+ $aOrder[0] .= 'EXISTS(';
+ $aOrder[0] .= ' SELECT place_id';
+ $aOrder[0] .= ' FROM placex';
+ $aOrder[0] .= ' WHERE parent_place_id = search_name.place_id';
+ $aOrder[0] .= " AND transliteration(housenumber) ~* E'".$sHouseNumberRegex."'";
+ $aOrder[0] .= ' LIMIT 1';
+ $aOrder[0] .= ') ';
+ // also housenumbers from interpolation lines table are needed
+ if (preg_match('/[0-9]+/', $this->sHouseNumber)) {
+ $iHouseNumber = intval($this->sHouseNumber);
+ $aOrder[0] .= 'OR EXISTS(';
+ $aOrder[0] .= ' SELECT place_id ';
+ $aOrder[0] .= ' FROM location_property_osmline ';
+ $aOrder[0] .= ' WHERE parent_place_id = search_name.place_id';
+ $aOrder[0] .= ' AND startnumber is not NULL';
+ $aOrder[0] .= ' AND '.$iHouseNumber.'>=startnumber ';
+ $aOrder[0] .= ' AND '.$iHouseNumber.'<=endnumber ';
+ $aOrder[0] .= ' LIMIT 1';
+ $aOrder[0] .= ')';
+ }
+ $aOrder[0] .= ') DESC';
+ }
+
+ if (sizeof($this->aName)) {
+ $aTerms[] = 'name_vector @> '.$this->nameArraySQL();
+ }
+ if (sizeof($this->aAddress)) {
+ // For infrequent name terms disable index usage for address
+ if (CONST_Search_NameOnlySearchFrequencyThreshold
+ && sizeof($this->aName) == 1
+ && $aWordFrequencyScores[$this->aName[reset($this->aName)]]
+ < CONST_Search_NameOnlySearchFrequencyThreshold
+ ) {
+ $aTerms[] = 'array_cat(nameaddress_vector,ARRAY[]::integer[]) @> '.$this->addressArraySQL();
+ } else {
+ $aTerms[] = 'nameaddress_vector @> '.$this->addressArraySQL();
+ }
+ }
+
+ $sCountryTerm = $this->countryCodeSQL('p.country_code', $sCountryList);
+ if ($sCountryTerm) {
+ $aTerms[] = $sCountryTerm;
+ }
+
+ if ($this->sHouseNumber) {
+ $aTerms[] = "address_rank between 16 and 27";
+ } elseif (!$this->sClass || $this->iOperator == Operator::NAME) {
+ if ($iMinAddressRank > 0) {
+ $aTerms[] = "address_rank >= ".$iMinAddressRank;
+ }
+ if ($iMaxAddressRank < 30) {
+ $aTerms[] = "address_rank <= ".$iMaxAddressRank;
+ }
+ }
+
+ if ($this->oNearPoint) {
+ $aTerms[] = $this->oNearPoint->withinSQL('centroid');
+ $aOrder[] = $this->oNearPoint->distanceSQL('centroid');
+ } elseif ($this->sPostcode) {
+ if (!sizeof($this->aAddress)) {
+ $aTerms[] = "EXISTS(SELECT place_id FROM location_postcode p WHERE p.postcode = '".$this->sPostcode."' AND ST_DWithin(search_name.centroid, p.geometry, 0.1))";
+ } else {
+ $aOrder[] = "(SELECT min(ST_Distance(search_name.centroid, p.geometry)) FROM location_postcode p WHERE p.postcode = '".$this->sPostcode."')";
+ }
+ }
+
+ if ($sExcludeSQL) {
+ $aTerms = 'place_id not in ('.$sExcludeSQL.')';
+ }
+
+ if ($sViewboxSmall) {
+ $aTerms[] = 'centroid && '.$sViewboxSmall;
+ }
+
+ if ($this->oNearPoint) {
+ $aOrder[] = $this->oNearPoint->distanceSQL('centroid');
+ }
+
+ if ($this->sHouseNumber) {
+ $sImportanceSQL = '- abs(26 - address_rank) + 3';
+ } else {
+ $sImportanceSQL = '(CASE WHEN importance = 0 OR importance IS NULL THEN 0.75-(search_rank::float/40) ELSE importance END)';
+ }
+ if ($sViewboxSmall) {
+ $sImportanceSQL .= " * CASE WHEN ST_Contains($sViewboxSmall, centroid) THEN 1 ELSE 0.5 END";
+ }
+ if ($sViewboxLarge) {
+ $sImportanceSQL .= " * CASE WHEN ST_Contains($sViewboxLarge, centroid) THEN 1 ELSE 0.5 END";
+ }
+ $aOrder[] = "$sImportanceSQL DESC";
+
+ if (sizeof($this->aFullNameAddress)) {
+ $sExactMatchSQL = ' ( ';
+ $sExactMatchSQL .= ' SELECT count(*) FROM ( ';
+ $sExactMatchSQL .= ' SELECT unnest(ARRAY['.join($this->aFullNameAddress, ",").']) ';
+ $sExactMatchSQL .= ' INTERSECT ';
+ $sExactMatchSQL .= ' SELECT unnest(nameaddress_vector)';
+ $sExactMatchSQL .= ' ) s';
+ $sExactMatchSQL .= ') as exactmatch';
+ $aOrder[] = 'exactmatch DESC';
+ } else {
+ $sExactMatchSQL = '0::int as exactmatch';
+ }
+
+ if ($this->sHouseNumber || $this->sClass) {
+ $iLimit = 20;
+ }
+
+ if (sizeof($aTerms)) {
+ $sSQL = 'SELECT place_id,'.$sExactMatchSQL;
+ $sSQL .= ' FROM search_name';
+ $sSQL .= ' WHERE '.join(' and ', $aTerms);
+ $sSQL .= ' ORDER BY '.join(', ', $aOrder);
+ $sSQL .= ' LIMIT '.$iLimit;
+
+ if (CONST_Debug) var_dump($sSQL);
+
+ return chksql(
+ $this->oDB->getAll($sSQL),
+ "Could not get places for search terms."
+ );
+ }
+
+ return array();
+ }
+
+
+ public function queryHouseNumber(&$oDB, $aRoadPlaceIDs, $sExcludeSQL, $iLimit)
+ {
+ $sPlaceIDs = join(',', $aRoadPlaceIDs);
+
+ $sHouseNumberRegex = '\\\\m'.$this->sHouseNumber.'\\\\M';
+ $sSQL = 'SELECT place_id FROM placex ';
+ $sSQL .= 'WHERE parent_place_id in ('.$sPlaceIDs.')';
+ $sSQL .= " AND transliteration(housenumber) ~* E'".$sHouseNumberRegex."'";
+ if ($sExcludeSQL) {
+ $sSQL .= ' AND place_id not in ('.$sExcludeSQL.')';
+ }
+ $sSQL .= " LIMIT $iLimit";
+
+ if (CONST_Debug) var_dump($sSQL);
+
+ $aPlaceIDs = chksql($this->oDB->getCol($sSQL));
+
+ if (sizeof($aPlaceIDs)) {
+ return array('aPlaceIDs' => $aPlaceIDs, 'iHouseNumber' => -1);
+ }
+
+ $bIsIntHouseNumber= (bool) preg_match('/[0-9]+/', $this->sHouseNumber);
+ $iHousenumber = intval($this->sHouseNumber);
+ if ($bIsIntHouseNumber) {
+ // if nothing found, search in the interpolation line table
+ $sSQL = 'SELECT distinct place_id FROM location_property_osmline';
+ $sSQL .= ' WHERE startnumber is not NULL';
+ $sSQL .= ' AND parent_place_id in ('.$sPlaceIDs.') AND (';
+ if ($iHousenumber % 2 == 0) {
+ // If housenumber is even, look for housenumber in streets
+ // with interpolationtype even or all.
+ $sSQL .= "interpolationtype='even'";
+ } else {
+ // Else look for housenumber with interpolationtype odd or all.
+ $sSQL .= "interpolationtype='odd'";
+ }
+ $sSQL .= " or interpolationtype='all') and ";
+ $sSQL .= $iHousenumber.">=startnumber and ";
+ $sSQL .= $iHousenumber."<=endnumber";
+
+ if ($sExcludeSQL)) {
+ $sSQL .= ' AND place_id not in ('.$sExcludeSQL.')';
+ }
+ $sSQL .= " limit $iLimit";
+
+ if (CONST_Debug) var_dump($sSQL);
+
+ $aPlaceIDs = chksql($this->oDB->getCol($sSQL, 0));
+
+ if (sizeof($aPlaceIDs)) {
+ return array('aPlaceIDs' => $aPlaceIDs, 'iHouseNumber' => $iHousenumber);
+ }
+ }
+
+ // If nothing found try the aux fallback table
+ if (CONST_Use_Aux_Location_data) {
+ $sSQL = 'SELECT place_id FROM location_property_aux';
+ $sSQL .= ' WHERE parent_place_id in ('.$sPlaceIDs.')';
+ $sSQL .= " AND housenumber = '".$this->sHouseNumber."'";
+ if ($sExcludeSQL) {
+ $sSQL .= " AND place_id not in ($sExcludeSQL)";
+ }
+ $sSQL .= " limit $iLimit";
+
+ if (CONST_Debug) var_dump($sSQL);
+
+ $aPlaceIDs = chksql($this->oDB->getCol($sSQL));
+
+ if (sizeof($aPlaceIDs)) {
+ return array('aPlaceIDs' => $aPlaceIDs, 'iHouseNumber' => -1);
+ }
+ }
+
+ // If nothing found then search in Tiger data (location_property_tiger)
+ if (CONST_Use_US_Tiger_Data && $bIsIntHouseNumber) {
+ $sSQL = 'SELECT distinct place_id FROM location_property_tiger';
+ $sSQL .= ' WHERE parent_place_id in ('.$sPlaceIDs.') and (';
+ if ($iHousenumber % 2 == 0) {
+ $sSQL .= "interpolationtype='even'";
+ } else {
+ $sSQL .= "interpolationtype='odd'";
+ }
+ $sSQL .= " or interpolationtype='all') and ";
+ $sSQL .= $iHousenumber.">=startnumber and ";
+ $sSQL .= $iHousenumber."<=endnumber";
+
+ if ($sExcludeSQL) {
+ $sSQL .= ' AND place_id not in ('.$sExcludeSQL.')';
+ }
+ $sSQL .= " limit $iLimit";
+
+ if (CONST_Debug) var_dump($sSQL);
+
+ $aPlaceIDs = chksql($this->oDB->getCol($sSQL, 0));
+
+ if (sizeof($aPlaceIDs)) {
+ return array('aPlaceIDs' => $aPlaceIDs, 'iHouseNumber' => $iHousenumber);
+ }
+ }
+
+ return array();
+ }
+
+
+ public function queryPoiByOperator(&$oDB, $aParentIDs, $sExcludeSQL, $iLimit)
+ {
+ $sPlaceIDs = join(',', $aParentIDs);
+ $aClassPlaceIDs = array();
+
+ if ($this->iOperator == Operator::TYPE || $this->iOperator == Operator::NAME) {
+ // If they were searching for a named class (i.e. 'Kings Head pub')
+ // then we might have an extra match
+ $sSQL = 'SELECT place_id FROM placex ';
+ $sSQL .= " WHERE place_id in ($sPlaceIDs)";
+ $sSQL .= " AND class='".$this->sClass."' ";
+ $sSQL .= " AND type='".$this->sType."'";
+ $sSQL .= " AND linked_place_id is null";
+ $sSQL .= " ORDER BY rank_search ASC ";
+ $sSQL .= " LIMIT $iLimit";
+
+ if (CONST_Debug) var_dump($sSQL);
+
+ $aClassPlaceIDs = chksql($this->oDB->getCol($sSQL));
+ }
+
+ // NEAR and IN are handled the same
+ if ($this->iOperator == Operator::TYPE || $this->iOperator == Operator::NEAR) {
+ $sClassTable = $this->poiTable();
+ $sSQL = "SELECT count(*) FROM pg_tables WHERE tablename = '$sClassTable'";
+ $bCacheTable = (bool) chksql($this->oDB->getOne($sSQL));
+
+ $sSQL = "SELECT min(rank_search) FROM placex WHERE place_id in ($sPlaceIDs)";
+ if (CONST_Debug) var_dump($sSQL);
+ $iMaxRank = (int)chksql($this->oDB->getOne($sSQL));
+
+ // For state / country level searches the normal radius search doesn't work very well
+ $sPlaceGeom = false;
+ if ($iMaxRank < 9 && $bCacheTable) {
+ // Try and get a polygon to search in instead
+ $sSQL = 'SELECT geometry FROM placex';
+ $sSQL .= " WHERE place_id in ($sPlaceIDs)";
+ $sSQL .= " AND rank_search < $iMaxRank + 5";
+ $sSQL .= " AND ST_GeometryType(geometry) in ('ST_Polygon','ST_MultiPolygon')";
+ $sSQL .= " ORDER BY rank_search ASC ";
+ $sSQL .= " LIMIT 1";
+ if (CONST_Debug) var_dump($sSQL);
+ $sPlaceGeom = chksql($this->oDB->getOne($sSQL));
+ }
+
+ if ($sPlaceGeom) {
+ $sPlaceIDs = false;
+ } else {
+ $iMaxRank += 5;
+ $sSQL = 'SELECT place_id FROM placex';
+ $sSQL .= " WHERE place_id in ($sPlaceIDs) and rank_search < $iMaxRank";
+ if (CONST_Debug) var_dump($sSQL);
+ $aPlaceIDs = chksql($this->oDB->getCol($sSQL));
+ $sPlaceIDs = join(',', $aPlaceIDs);
+ }
+
+ if ($sPlaceIDs || $sPlaceGeom) {
+ $fRange = 0.01;
+ if ($bCacheTable) {
+ // More efficient - can make the range bigger
+ $fRange = 0.05;
+
+ $sOrderBySQL = '';
+ if ($this->oNearPoint) {
+ $sOrderBySQL = $this->oNearPoint->distanceSQL('l.centroid');
+ } elseif ($sPlaceIDs) {
+ $sOrderBySQL = "ST_Distance(l.centroid, f.geometry)";
+ } elseif ($sPlaceGeom) {
+ $sOrderBySQL = "ST_Distance(st_centroid('".$sPlaceGeom."'), l.centroid)";
+ }
+
+ $sSQL = 'SELECT distinct i.place_id';
+ if ($sOrderBySQL) {
+ $sSQL .= ', i.order_term';
+ }
+ $sSQL .= ' from (SELECT l.place_id';
+ if ($sOrderBySQL) {
+ $sSQL .= ','.$sOrderBySQL.' as order_term';
+ }
+ $sSQL .= ' from '.$sClassTable.' as l';
+
+ if ($sPlaceIDs) {
+ $sSQL .= ",placex as f WHERE ";
+ $sSQL .= "f.place_id in ($sPlaceIDs) ";
+ $sSQL .= " AND ST_DWithin(l.centroid, f.centroid, $fRange)";
+ } elseif ($sPlaceGeom) {
+ $sSQL .= " WHERE ST_Contains('$sPlaceGeom', l.centroid)";
+ }
+
+ if ($sExcludeSQL) {
+ $sSQL .= ' AND l.place_id not in ('.$sExcludeSQL.')';
+ }
+ $sSQL .= 'limit 300) i ';
+ if ($sOrderBySQL) {
+ $sSQL .= 'order by order_term asc';
+ }
+ $sSQL .= " limit $iLimit";
+
+ if (CONST_Debug) var_dump($sSQL);
+
+ $aClassPlaceIDs = array_merge($aClassPlaceIDs, chksql($this->oDB->getCol($sSQL)));
+ } else {
+ if ($this->oNearPoint) {
+ $fRange = $this->oNearPoint->radius();
+ }
+
+ $sOrderBySQL = '';
+ if ($this->oNearPoint) {
+ $sOrderBySQL = $this->oNearPoint->distanceSQL('l.geometry');
+ } else {
+ $sOrderBySQL = "ST_Distance(l.geometry, f.geometry)";
+ }
+
+ $sSQL = 'SELECT distinct l.place_id';
+ if ($sOrderBySQL) {
+ $sSQL .= ','.$sOrderBySQL.' as orderterm';
+ }
+ $sSQL .= ' FROM placex as l, placex as f';
+ $sSQL .= " WHERE f.place_id in ($sPlaceIDs)";
+ $sSQL .= " AND ST_DWithin(l.geometry, f.centroid, $fRange)";
+ $sSQL .= " AND l.class='".$this->sClass."'";
+ $sSQL .= " AND l.type='".$this->sType."'";
+ if ($sExcludeSQL) {
+ $sSQL .= " AND l.place_id not in (".$sExcludeSQL.")";
+ }
+ if ($sOrderBySQL) {
+ $sSQL .= "ORDER BY orderterm ASC";
+ }
+ $sSQL .= " limit $iLimit";
+
+ if (CONST_Debug) var_dump($sSQL);
+
+ $aClassPlaceIDs = array_merge($aClassPlaceIDs, chksql($this->oDB->getCol($sSQL)));
+ }
+ }
+ }
+
+ return $aClassPlaceIDs;
+ }