oContext = $oContext; } /** * Get current search rank. * * The higher the search rank the lower the likelyhood that the * search is a correct interpretation of the search query. * * @return integer Search rank. */ public function getRank() { return $this->iSearchRank; } /** * Make this search a POI search. * * In a POI search, objects are not (only) searched by their name * but also by the primary OSM key/value pair (class and type in Nominatim). * * @param integer $iOperator Type of POI search * @param string $sClass Class (or OSM tag key) of POI. * @param string $sType Type (or OSM tag value) of POI. * * @return void */ public function setPoiSearch($iOperator, $sClass, $sType) { $this->iOperator = $iOperator; $this->sClass = $sClass; $this->sType = $sType; } /** * Check if this might be a full address search. * * @return bool True if the search contains name, address and housenumber. */ public function looksLikeFullAddress() { return sizeof($this->aName) && (sizeof($this->aAddress || $this->sCountryCode)) && preg_match('/[0-9]+/', $this->sHouseNumber); } /** * Check if any operator is set. * * @return bool True, if this is a special search operation. */ public function hasOperator() { return $this->iOperator != Operator::NONE; } /** * Extract key/value pairs from a query. * * Key/value pairs are recognised if they are of the form [=]. * If multiple terms of this kind are found then all terms are removed * but only the first is used for search. * * @param string $sQuery Original query string. * * @return string The query string with the special search patterns removed. */ public function extractKeyValuePairs($sQuery) { // Search for terms of kind [=]. preg_match_all( '/\\[([\\w_]*)=([\\w_]*)\\]/', $sQuery, $aSpecialTermsRaw, PREG_SET_ORDER ); foreach ($aSpecialTermsRaw as $aTerm) { $sQuery = str_replace($aTerm[0], ' ', $sQuery); if (!$this->hasOperator()) { $this->setPoiSearch(Operator::TYPE, $aTerm[1], $aTerm[2]); } } return $sQuery; } /** * Check if the combination of parameters is sensible. * * @return bool True, if the search looks valid. */ public function isValidSearch() { if (!sizeof($this->aName)) { if ($this->sHouseNumber) { return false; } if (!$this->sClass && !$this->sCountryCode) { return false; } } return true; } /////////// Search building functions /** * Derive new searches by adding a full term to the existing search. * * @param mixed[] $aSearchTerm Description of the token. * @param bool $bHasPartial True if there are also tokens of partial terms * with the same name. * @param string $sPhraseType Type of phrase the token is contained in. * @param bool $bFirstToken True if the token is at the beginning of the * query. * @param bool $bFirstPhrase True if the token is in the first phrase of * the query. * @param bool $bLastToken True if the token is at the end of the query. * * @return SearchDescription[] List of derived search descriptions. */ public function extendWithFullTerm($aSearchTerm, $bHasPartial, $sPhraseType, $bFirstToken, $bFirstPhrase, $bLastToken) { $aNewSearches = array(); if (($sPhraseType == '' || $sPhraseType == 'country') && !empty($aSearchTerm['country_code']) && $aSearchTerm['country_code'] != '0' ) { if (!$this->sCountryCode) { $oSearch = clone $this; $oSearch->iSearchRank++; $oSearch->sCountryCode = $aSearchTerm['country_code']; // Country is almost always at the end of the string // - increase score for finding it anywhere else (optimisation) if (!$bLastToken) { $oSearch->iSearchRank += 5; } $aNewSearches[] = $oSearch; } } elseif (($sPhraseType == '' || $sPhraseType == 'postalcode') && $aSearchTerm['class'] == 'place' && $aSearchTerm['type'] == 'postcode' ) { // We need to try the case where the postal code is the primary element // (i.e. no way to tell if it is (postalcode, city) OR (city, postalcode) // so try both. if (!$this->sPostcode && $aSearchTerm['word'] && pg_escape_string($aSearchTerm['word']) == $aSearchTerm['word'] ) { // If we have structured search or this is the first term, // make the postcode the primary search element. if ($this->iOperator == Operator::NONE && ($sPhraseType == 'postalcode' || $bFirstToken) ) { $oSearch = clone $this; $oSearch->iSearchRank++; $oSearch->iOperator = Operator::POSTCODE; $oSearch->aAddress = array_merge($this->aAddress, $this->aName); $oSearch->aName = array($aSearchTerm['word_id'] => $aSearchTerm['word']); $aNewSearches[] = $oSearch; } // If we have a structured search or this is not the first term, // add the postcode as an addendum. if ($this->iOperator != Operator::POSTCODE && ($sPhraseType == 'postalcode' || sizeof($this->aName)) ) { $oSearch = clone $this; $oSearch->iSearchRank++; $oSearch->sPostcode = $aSearchTerm['word']; $aNewSearches[] = $oSearch; } } } elseif (($sPhraseType == '' || $sPhraseType == 'street') && $aSearchTerm['class'] == 'place' && $aSearchTerm['type'] == 'house' ) { if (!$this->sHouseNumber && $this->iOperator != Operator::POSTCODE) { $oSearch = clone $this; $oSearch->iSearchRank++; $oSearch->sHouseNumber = trim($aSearchTerm['word_token']); // sanity check: if the housenumber is not mainly made // up of numbers, add a penalty if (preg_match_all('/[^0-9]/', $oSearch->sHouseNumber, $aMatches) > 2) { $oSearch->iSearchRank++; } if (!isset($aSearchTerm['word_id'])) { $oSearch->iSearchRank++; } // also must not appear in the middle of the address if (sizeof($this->aAddress) || sizeof($this->aAddressNonSearch) || $this->sPostcode ) { $oSearch->iSearchRank++; } $aNewSearches[] = $oSearch; } } elseif ($sPhraseType == '' && $aSearchTerm['class']) { if ($this->iOperator == Operator::NONE) { $oSearch = clone $this; $oSearch->iSearchRank++; $iOp = Operator::NEAR; // near == in for the moment if ($aSearchTerm['operator'] == '') { if (sizeof($this->aName)) { $iOp = Operator::NAME; } $oSearch->iSearchRank += 2; } $oSearch->setPoiSearch($iOp, $aSearchTerm['class'], $aSearchTerm['type']); $aNewSearches[] = $oSearch; } } elseif (isset($aSearchTerm['word_id']) && $aSearchTerm['word_id'] && $sPhraseType != 'country' ) { $iWordID = $aSearchTerm['word_id']; if (sizeof($this->aName)) { if (($sPhraseType == '' || !$bFirstPhrase) && $sPhraseType != 'country' && !$bHasPartial ) { $oSearch = clone $this; $oSearch->iSearchRank++; $oSearch->aAddress[$iWordID] = $iWordID; $aNewSearches[] = $oSearch; } else { $this->aFullNameAddress[$iWordID] = $iWordID; } } else { $oSearch = clone $this; $oSearch->iSearchRank++; $oSearch->aName = array($iWordID => $iWordID); $aNewSearches[] = $oSearch; } } return $aNewSearches; } /** * Derive new searches by adding a partial term to the existing search. * * @param mixed[] $aSearchTerm Description of the token. * @param bool $bStructuredPhrases True if the search is structured. * @param integer $iPhrase Number of the phrase the token is in. * @param array[] $aFullTokens List of full term tokens with the * same name. * * @return SearchDescription[] List of derived search descriptions. */ public function extendWithPartialTerm($aSearchTerm, $bStructuredPhrases, $iPhrase, $aFullTokens) { // Only allow name terms. if (!(isset($aSearchTerm['word_id']) && $aSearchTerm['word_id'])) { return array(); } $aNewSearches = array(); $iWordID = $aSearchTerm['word_id']; if ((!$bStructuredPhrases || $iPhrase > 0) && sizeof($this->aName) && strpos($aSearchTerm['word_token'], ' ') === false ) { if ($aSearchTerm['search_name_count'] + 1 < CONST_Max_Word_Frequency) { $oSearch = clone $this; $oSearch->iSearchRank++; $oSearch->aAddress[$iWordID] = $iWordID; $aNewSearches[] = $oSearch; } else { $oSearch = clone $this; $oSearch->iSearchRank++; $oSearch->aAddressNonSearch[$iWordID] = $iWordID; if (preg_match('#^[0-9]+$#', $aSearchTerm['word_token'])) { $oSearch->iSearchRank += 2; } if (sizeof($aFullTokens)) { $oSearch->iSearchRank++; } $aNewSearches[] = $oSearch; // revert to the token version? foreach ($aFullTokens as $aSearchTermToken) { if (empty($aSearchTermToken['country_code']) && empty($aSearchTermToken['lat']) && empty($aSearchTermToken['class']) ) { $oSearch = clone $this; $oSearch->iSearchRank++; $oSearch->aAddress[$aSearchTermToken['word_id']] = $aSearchTermToken['word_id']; $aNewSearches[] = $oSearch; } } } } if ((!$this->sPostcode && !$this->aAddress && !$this->aAddressNonSearch) && (!sizeof($this->aName) || $this->iNamePhrase == $iPhrase) ) { $oSearch = clone $this; $oSearch->iSearchRank += 2; if (!sizeof($this->aName)) { $oSearch->iSearchRank += 1; } if (preg_match('#^[0-9]+$#', $aSearchTerm['word_token'])) { $oSearch->iSearchRank += 2; } if ($aSearchTerm['search_name_count'] + 1 < CONST_Max_Word_Frequency) { $oSearch->aName[$iWordID] = $iWordID; } else { $oSearch->aNameNonSearch[$iWordID] = $iWordID; } $oSearch->iNamePhrase = $iPhrase; $aNewSearches[] = $oSearch; } return $aNewSearches; } /////////// Query functions /** * Query database for places that match this search. * * @param object $oDB Database connection to use. * @param mixed[] $aWordFrequencyScores Number of times tokens appears * overall in a planet database. * @param integer $iMinRank Minimum address rank to restrict * search to. * @param integer $iMaxRank Maximum address rank to restrict * search to. * @param integer $iLimit Maximum number of results. * * @return mixed[] An array with two fields: IDs contains the list of * matching place IDs and houseNumber the houseNumber * if appicable or -1 if not. */ public function query(&$oDB, &$aWordFrequencyScores, $iMinRank, $iMaxRank, $iLimit) { $aResults = array(); $iHousenumber = -1; if ($this->sCountryCode && !sizeof($this->aName) && !$this->iOperator && !$this->sClass && !$this->oContext->hasNearPoint() ) { // Just looking for a country - look it up if (4 >= $iMinRank && 4 <= $iMaxRank) { $aResults = $this->queryCountry($oDB); } } elseif (!sizeof($this->aName) && !sizeof($this->aAddress)) { // Neither name nor address? Then we must be // looking for a POI in a geographic area. if ($this->oContext->isBoundedSearch()) { $aResults = $this->queryNearbyPoi($oDB, $iLimit); } } elseif ($this->iOperator == Operator::POSTCODE) { // looking for postcode $aResults = $this->queryPostcode($oDB, $iLimit); } else { // Ordinary search: // First search for places according to name and address. $aResults = $this->queryNamedPlace( $oDB, $aWordFrequencyScores, $iMinRank, $iMaxRank, $iLimit ); //now search for housenumber, if housenumber provided if ($this->sHouseNumber && sizeof($aResults)) { $aNamedPlaceIDs = $aResults; $aResults = $this->queryHouseNumber($oDB, $aNamedPlaceIDs, $iLimit); if (!sizeof($aResults) && $this->looksLikeFullAddress()) { $aResults = $aNamedPlaceIDs; } } // finally get POIs if requested if ($this->sClass && sizeof($aResults)) { $aResults = $this->queryPoiByOperator($oDB, $aResults, $iLimit); } } if (CONST_Debug) { echo '
Place IDs: '; var_dump(array_keys($aResults)); } if (sizeof($aResults) && $this->sPostcode) { $sPlaceIds = Result::joinIdsByTable($aResults, Result::TABLE_PLACEX); if ($sPlaceIds) { $sSQL = 'SELECT place_id FROM placex'; $sSQL .= ' WHERE place_id in ('.$sPlaceIds.')'; $sSQL .= " AND postcode = '".$this->sPostcode."'"; if (CONST_Debug) var_dump($sSQL); $aFilteredPlaceIDs = chksql($oDB->getCol($sSQL)); if ($aFilteredPlaceIDs) { $aNewResults = array(); foreach ($aFilteredPlaceIDs as $iPlaceId) { $aNewResults[$iPlaceId] = $aResults[$iPlaceId]; } $aResults = $aNewResults; if (CONST_Debug) { echo '
Place IDs after postcode filtering: '; var_dump(array_keys($aResults)); } } } } return $aResults; } private function queryCountry(&$oDB) { $sSQL = 'SELECT place_id FROM placex '; $sSQL .= "WHERE country_code='".$this->sCountryCode."'"; $sSQL .= ' AND rank_search = 4'; if ($this->oContext->bViewboxBounded) { $sSQL .= ' AND ST_Intersects('.$this->oContext->sqlViewboxSmall.', geometry)'; } $sSQL .= ' ORDER BY st_area(geometry) DESC LIMIT 1'; if (CONST_Debug) var_dump($sSQL); $aResults = array(); foreach (chksql($oDB->getCol($sSQL)) as $iPlaceId) { $aResults[$iPlaceId] = new Result($iPlaceId); } return $aResults; } private function queryNearbyPoi(&$oDB, $iLimit) { if (!$this->sClass) { return array(); } $aDBResults = 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 ($this->oContext->sqlCountryList) { $sSQL .= ' JOIN placex USING (place_id)'; } if ($this->oContext->hasNearPoint()) { $sSQL .= ' WHERE '.$this->oContext->withinSQL('ct.centroid'); } elseif ($this->oContext->bViewboxBounded) { $sSQL .= ' WHERE ST_Contains('.$this->oContext->sqlViewboxSmall.', ct.centroid)'; } if ($this->oContext->sqlCountryList) { $sSQL .= ' AND country_code in '.$this->oContext->sqlCountryList; } $sSQL .= $this->oContext->excludeSQL(' AND place_id'); if ($this->oContext->sqlViewboxCentre) { $sSQL .= ' ORDER BY ST_Distance('; $sSQL .= $this->oContext->sqlViewboxCentre.', ct.centroid) ASC'; } elseif ($this->oContext->hasNearPoint()) { $sSQL .= ' ORDER BY '.$this->oContext->distanceSQL('ct.centroid').' ASC'; } $sSQL .= " limit $iLimit"; if (CONST_Debug) var_dump($sSQL); $aDBResults = chksql($oDB->getCol($sSQL)); } if ($this->oContext->hasNearPoint()) { $sSQL = 'SELECT place_id FROM placex WHERE '; $sSQL .= 'class=\''.$this->sClass."' and type='".$this->sType."'"; $sSQL .= ' AND '.$this->oContext->withinSQL('geometry'); $sSQL .= ' AND linked_place_id is null'; if ($this->oContext->sqlCountryList) { $sSQL .= ' AND country_code in '.$this->oContext->sqlCountryList; } $sSQL .= ' ORDER BY '.$this->oContext->distanceSQL('centroid').' ASC'; $sSQL .= " LIMIT $iLimit"; if (CONST_Debug) var_dump($sSQL); $aDBResults = chksql($oDB->getCol($sSQL)); } $aResults = array(); foreach ($aDBResults as $iPlaceId) { $aResults[$iPlaceId] = new Result($iPlaceId); } return $aResults; } private function queryPostcode(&$oDB, $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)'; $sSQL .= ' @> '.getArraySQL($this->aAddress).' AND '; } else { $sSQL .= 'WHERE '; } $sSQL .= "p.postcode = '".reset($this->aName)."'"; $sSQL .= $this->countryCodeSQL(' AND p.country_code'); $sSQL .= $this->oContext->excludeSQL(' AND p.place_id'); $sSQL .= " LIMIT $iLimit"; if (CONST_Debug) var_dump($sSQL); $aResults = array(); foreach (chksql($oDB->getCol($sSQL)) as $iPlaceId) { $aResults[$iPlaceId] = new Result($iPlaceId, Result::TABLE_POSTCODE); } return $aResults; } private function queryNamedPlace(&$oDB, $aWordFrequencyScores, $iMinAddressRank, $iMaxAddressRank, $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)) { $aTerms[] = 'name_vector @> '.getArraySQL($this->aName); } 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 ) { $aTerms[] = 'array_cat(nameaddress_vector,ARRAY[]::integer[]) @> '.getArraySQL($this->aAddress); } else { $aTerms[] = 'nameaddress_vector @> '.getArraySQL($this->aAddress); } } $sCountryTerm = $this->countryCodeSQL('country_code'); if ($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->oContext->hasNearPoint()) { $aTerms[] = $this->oContext->withinSQL('centroid'); $aOrder[] = $this->oContext->distanceSQL('centroid'); } elseif ($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."')"; } } $sExcludeSQL = $this->oContext->excludeSQL('place_id'); if ($sExcludeSQL) { $aTerms[] = $sExcludeSQL; } if ($this->oContext->bViewboxBounded) { $aTerms[] = 'centroid && '.$this->oContext->sqlViewboxSmall; } if ($this->oContext->hasNearPoint()) { $aOrder[] = $this->oContext->distanceSQL('centroid'); } if ($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)'; } $sImportanceSQL .= $this->oContext->viewboxImportanceSQL('centroid'); $aOrder[] = "$sImportanceSQL DESC"; if (sizeof($this->aFullNameAddress)) { $sExactMatchSQL = ' ( '; $sExactMatchSQL .= ' SELECT count(*) FROM ( '; $sExactMatchSQL .= ' SELECT unnest('.getArraySQL($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; } $aResults = array(); if (sizeof($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); $aDBResults = chksql( $oDB->getAll($sSQL), 'Could not get places for search terms.' ); foreach ($aDBResults as $aResult) { $oResult = new Result($aResult['place_id']); $oResult->iExactMatches = $aResult['exactmatch']; $aResults[$aResult['place_id']] = $oResult; } } return $aResults; } private function queryHouseNumber(&$oDB, $aRoadPlaceIDs, $iLimit) { $aResults = array(); $sPlaceIDs = Result::joinIdsByTable($aRoadPlaceIDs, Result::TABLE_PLACEX); if (!$sPlaceIDs) { return $aResults; } $sHouseNumberRegex = '\\\\m'.$this->sHouseNumber.'\\\\M'; $sSQL = 'SELECT place_id FROM placex '; $sSQL .= 'WHERE parent_place_id in ('.$sPlaceIDs.')'; $sSQL .= " AND transliteration(housenumber) ~* E'".$sHouseNumberRegex."'"; $sSQL .= $this->oContext->excludeSQL(' AND place_id'); $sSQL .= " LIMIT $iLimit"; if (CONST_Debug) var_dump($sSQL); // XXX should inherit the exactMatches from its parent foreach (chksql($oDB->getCol($sSQL)) as $iPlaceId) { $aResults[$iPlaceId] = new Result($iPlaceId); } $bIsIntHouseNumber= (bool) preg_match('/[0-9]+/', $this->sHouseNumber); $iHousenumber = intval($this->sHouseNumber); if ($bIsIntHouseNumber && !sizeof($aResults)) { // 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'; $sSQL .= $this->oContext->excludeSQL(' AND place_id'); $sSQL .= " limit $iLimit"; if (CONST_Debug) var_dump($sSQL); foreach (chksql($oDB->getCol($sSQL)) as $iPlaceId) { $oResult = new Result($iPlaceId, Result::TABLE_OSMLINE); $oResult->iHouseNumber = $iHousenumber; $aResults[$iPlaceId] = $oResult; } } // If nothing found try the aux fallback table if (CONST_Use_Aux_Location_data && !sizeof($aResults)) { $sSQL = 'SELECT place_id FROM location_property_aux'; $sSQL .= ' WHERE parent_place_id in ('.$sPlaceIDs.')'; $sSQL .= " AND housenumber = '".$this->sHouseNumber."'"; $sSQL .= $this->oContext->excludeSQL(' AND place_id'); $sSQL .= " limit $iLimit"; if (CONST_Debug) var_dump($sSQL); foreach (chksql($oDB->getCol($sSQL)) as $iPlaceId) { $aResults[$iPlaceId] = new Result($iPlaceId, Result::TABLE_AUX); } } // If nothing found then search in Tiger data (location_property_tiger) if (CONST_Use_US_Tiger_Data && $bIsIntHouseNumber && !sizeof($aResults)) { $sSQL = 'SELECT 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'; $sSQL .= $this->oContext->excludeSQL(' AND place_id'); $sSQL .= " limit $iLimit"; if (CONST_Debug) var_dump($sSQL); foreach (chksql($oDB->getCol($sSQL)) as $iPlaceId) { $oResult = new Result($iPlaceId, Result::TABLE_TIGER); $oResult->iHouseNumber = $iHousenumber; $aResults[$iPlaceId] = $oResult; } } return $aResults; } private function queryPoiByOperator(&$oDB, $aParentIDs, $iLimit) { $aResults = array(); $sPlaceIDs = Result::joinIdsByTable($aParentIDs, Result::TABLE_PLACEX); if (!$sPlaceIDs) { return $aResults; } if ($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 .= $this->oContext->excludeSQL(' AND place_id'); $sSQL .= ' ORDER BY rank_search ASC '; $sSQL .= " LIMIT $iLimit"; if (CONST_Debug) var_dump($sSQL); foreach (chksql($oDB->getCol($sSQL)) as $iPlaceId) { $aResults[$iPlaceId] = new Result($iPlaceId); } } // NEAR and IN are handled the same if ($this->iOperator == Operator::TYPE || $this->iOperator == Operator::NEAR) { $sClassTable = $this->poiTable(); $sSQL = "SELECT count(*) FROM pg_tables WHERE tablename = '$sClassTable'"; $bCacheTable = (bool) chksql($oDB->getOne($sSQL)); $sSQL = "SELECT min(rank_search) FROM placex WHERE place_id in ($sPlaceIDs)"; if (CONST_Debug) var_dump($sSQL); $iMaxRank = (int)chksql($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); $sPlaceGeom = chksql($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); $aPlaceIDs = chksql($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->oContext->hasNearPoint()) { $sOrderBySQL = $this->oContext->distanceSQL('l.centroid'); } elseif ($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)"; } $sSQL .= $this->oContext->excludeSQL(' AND l.place_id'); $sSQL .= 'limit 300) i '; if ($sOrderBySQL) { $sSQL .= 'order by order_term asc'; } $sSQL .= " limit $iLimit"; if (CONST_Debug) var_dump($sSQL); foreach (chksql($oDB->getCol($sSQL)) as $iPlaceId) { $aResults[$iPlaceId] = new Result($iPlaceId); } } else { if ($this->oContext->hasNearPoint()) { $fRange = $this->oContext->nearRadius(); } $sOrderBySQL = ''; if ($this->oContext->hasNearPoint()) { $sOrderBySQL = $this->oContext->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."'"; $sSQL .= $this->oContext->excludeSQL(' AND l.place_id'); if ($sOrderBySQL) { $sSQL .= 'ORDER BY orderterm ASC'; } $sSQL .= " limit $iLimit"; if (CONST_Debug) var_dump($sSQL); foreach (chksql($oDB->getCol($sSQL)) as $iPlaceId) { $aResults[$iPlaceId] = new Result($iPlaceId); } } } } return $aResults; } private function poiTable() { return 'place_classtype_'.$this->sClass.'_'.$this->sType; } private function countryCodeSQL($sVar) { if ($this->sCountryCode) { return $sVar.' = \''.$this->sCountryCode."'"; } if ($this->oContext->sqlCountryList) { return $sVar.' in '.$this->oContext->sqlCountryList; } return ''; } /////////// Sort functions public static function bySearchRank($a, $b) { if ($a->iSearchRank == $b->iSearchRank) { return $a->iOperator + strlen($a->sHouseNumber) - $b->iOperator - strlen($b->sHouseNumber); } return $a->iSearchRank < $b->iSearchRank ? -1 : 1; } //////////// Debugging functions public function dumpAsHtmlTableRow(&$aWordIDs) { $kf = function ($k) use (&$aWordIDs) { return $aWordIDs[$k]; }; echo ''; echo "$this->iSearchRank"; echo ''.join(', ', array_map($kf, $this->aName)).''; echo ''.join(', ', array_map($kf, $this->aNameNonSearch)).''; echo ''.join(', ', array_map($kf, $this->aAddress)).''; echo ''.join(', ', array_map($kf, $this->aAddressNonSearch)).''; echo ''.$this->sCountryCode.''; echo ''.Operator::toString($this->iOperator).''; echo ''.$this->sClass.''; echo ''.$this->sType.''; echo ''.$this->sPostcode.''; echo ''.$this->sHouseNumber.''; echo ''; } }