5 require_once(CONST_LibDir.'/SpecialSearchOperator.php');
6 require_once(CONST_LibDir.'/SearchContext.php');
7 require_once(CONST_LibDir.'/Result.php');
10 * Description of a single interpretation of a search query.
12 class SearchDescription
14 /// Ranking how well the description fits the query.
15 private $iSearchRank = 0;
16 /// Country code of country the result must belong to.
17 private $sCountryCode = '';
18 /// List of word ids making up the name of the object.
19 private $aName = array();
20 /// True if the name is rare enough to force index use on name.
21 private $bRareName = false;
22 /// List of word ids making up the address of the object.
23 private $aAddress = array();
24 /// List of word ids that appear in the name but should be ignored.
25 private $aNameNonSearch = array();
26 /// List of word ids that appear in the address but should be ignored.
27 private $aAddressNonSearch = array();
28 /// Kind of search for special searches, see Nominatim::Operator.
29 private $iOperator = Operator::NONE;
30 /// Class of special feature to search for.
32 /// Type of special feature to search for.
34 /// Housenumber of the object.
35 private $sHouseNumber = '';
36 /// Postcode for the object.
37 private $sPostcode = '';
38 /// Global search constraints.
41 // Temporary values used while creating the search description.
43 /// Index of phrase currently processed.
44 private $iNamePhrase = -1;
47 * Create an empty search description.
49 * @param object $oContext Global context to use. Will be inherited by
50 * all derived search objects.
52 public function __construct($oContext)
54 $this->oContext = $oContext;
58 * Get current search rank.
60 * The higher the search rank the lower the likelihood that the
61 * search is a correct interpretation of the search query.
63 * @return integer Search rank.
65 public function getRank()
67 return $this->iSearchRank;
71 * Make this search a POI search.
73 * In a POI search, objects are not (only) searched by their name
74 * but also by the primary OSM key/value pair (class and type in Nominatim).
76 * @param integer $iOperator Type of POI search
77 * @param string $sClass Class (or OSM tag key) of POI.
78 * @param string $sType Type (or OSM tag value) of POI.
82 public function setPoiSearch($iOperator, $sClass, $sType)
84 $this->iOperator = $iOperator;
85 $this->sClass = $sClass;
86 $this->sType = $sType;
90 * Check if any operator is set.
92 * @return bool True, if this is a special search operation.
94 public function hasOperator()
96 return $this->iOperator != Operator::NONE;
100 * Extract key/value pairs from a query.
102 * Key/value pairs are recognised if they are of the form [<key>=<value>].
103 * If multiple terms of this kind are found then all terms are removed
104 * but only the first is used for search.
106 * @param string $sQuery Original query string.
108 * @return string The query string with the special search patterns removed.
110 public function extractKeyValuePairs($sQuery)
112 // Search for terms of kind [<key>=<value>].
114 '/\\[([\\w_]*)=([\\w_]*)\\]/',
120 foreach ($aSpecialTermsRaw as $aTerm) {
121 $sQuery = str_replace($aTerm[0], ' ', $sQuery);
122 if (!$this->hasOperator()) {
123 $this->setPoiSearch(Operator::TYPE, $aTerm[1], $aTerm[2]);
131 * Check if the combination of parameters is sensible.
133 * @return bool True, if the search looks valid.
135 public function isValidSearch()
137 if (empty($this->aName)) {
138 if ($this->sHouseNumber) {
141 if (!$this->sClass && !$this->sCountryCode) {
149 /////////// Search building functions
153 * Derive new searches by adding a full term to the existing search.
155 * @param object $oSearchTerm Description of the token.
156 * @param bool $bHasPartial True if there are also tokens of partial terms
157 * with the same name.
158 * @param string $sPhraseType Type of phrase the token is contained in.
159 * @param bool $bFirstToken True if the token is at the beginning of the
161 * @param bool $bFirstPhrase True if the token is in the first phrase of
163 * @param bool $bLastToken True if the token is at the end of the query.
165 * @return SearchDescription[] List of derived search descriptions.
167 public function extendWithFullTerm($oSearchTerm, $bHasPartial, $sPhraseType, $bFirstToken, $bFirstPhrase, $bLastToken)
169 $aNewSearches = array();
171 if (($sPhraseType == '' || $sPhraseType == 'country')
172 && is_a($oSearchTerm, '\Nominatim\Token\Country')
174 if (!$this->sCountryCode) {
175 $oSearch = clone $this;
176 $oSearch->iSearchRank++;
177 $oSearch->sCountryCode = $oSearchTerm->sCountryCode;
178 // Country is almost always at the end of the string
179 // - increase score for finding it anywhere else (optimisation)
181 $oSearch->iSearchRank += 5;
183 $aNewSearches[] = $oSearch;
185 } elseif (($sPhraseType == '' || $sPhraseType == 'postalcode')
186 && is_a($oSearchTerm, '\Nominatim\Token\Postcode')
188 if (!$this->sPostcode) {
189 // If we have structured search or this is the first term,
190 // make the postcode the primary search element.
191 if ($this->iOperator == Operator::NONE && $bFirstToken) {
192 $oSearch = clone $this;
193 $oSearch->iSearchRank++;
194 $oSearch->iOperator = Operator::POSTCODE;
195 $oSearch->aAddress = array_merge($this->aAddress, $this->aName);
197 array($oSearchTerm->iId => $oSearchTerm->sPostcode);
198 $aNewSearches[] = $oSearch;
201 // If we have a structured search or this is not the first term,
202 // add the postcode as an addendum.
203 if ($this->iOperator != Operator::POSTCODE
204 && ($sPhraseType == 'postalcode' || !empty($this->aName))
206 $oSearch = clone $this;
207 $oSearch->iSearchRank++;
208 if (strlen($oSearchTerm->sPostcode) < 4) {
209 $oSearch->iSearchRank += 4 - strlen($oSearchTerm->sPostcode);
211 $oSearch->sPostcode = $oSearchTerm->sPostcode;
212 $aNewSearches[] = $oSearch;
215 } elseif (($sPhraseType == '' || $sPhraseType == 'street')
216 && is_a($oSearchTerm, '\Nominatim\Token\HouseNumber')
218 if (!$this->sHouseNumber && $this->iOperator != Operator::POSTCODE) {
219 $oSearch = clone $this;
220 $oSearch->iSearchRank++;
221 $oSearch->sHouseNumber = $oSearchTerm->sToken;
222 if ($this->iOperator != Operator::NONE) {
223 $oSearch->iSearchRank++;
225 // sanity check: if the housenumber is not mainly made
226 // up of numbers, add a penalty
227 if (preg_match('/\\d/', $oSearch->sHouseNumber) === 0
228 || preg_match_all('/[^0-9]/', $oSearch->sHouseNumber, $aMatches) > 2) {
229 $oSearch->iSearchRank++;
231 if (empty($oSearchTerm->iId)) {
232 $oSearch->iSearchRank++;
234 // also must not appear in the middle of the address
235 if (!empty($this->aAddress)
236 || (!empty($this->aAddressNonSearch))
239 $oSearch->iSearchRank++;
241 $aNewSearches[] = $oSearch;
242 // Housenumbers may appear in the name when the place has its own
244 if ($oSearchTerm->iId !== null
245 && ($this->iNamePhrase >= 0 || empty($this->aName))
246 && empty($this->aAddress)
248 $oSearch = clone $this;
249 $oSearch->iSearchRank++;
250 $oSearch->aAddress = $this->aName;
251 $oSearch->bRareName = false;
252 $oSearch->aName = array($oSearchTerm->iId => $oSearchTerm->iId);
253 $aNewSearches[] = $oSearch;
256 } elseif ($sPhraseType == ''
257 && is_a($oSearchTerm, '\Nominatim\Token\SpecialTerm')
259 if ($this->iOperator == Operator::NONE) {
260 $oSearch = clone $this;
261 $oSearch->iSearchRank += 2;
263 $iOp = $oSearchTerm->iOperator;
264 if ($iOp == Operator::NONE) {
265 if (!empty($this->aName) || $this->oContext->isBoundedSearch()) {
266 $iOp = Operator::NAME;
268 $iOp = Operator::NEAR;
270 $oSearch->iSearchRank += 2;
271 } elseif (!$bFirstToken && !$bLastToken) {
272 $oSearch->iSearchRank += 2;
274 if ($this->sHouseNumber) {
275 $oSearch->iSearchRank++;
278 $oSearch->setPoiSearch(
280 $oSearchTerm->sClass,
283 $aNewSearches[] = $oSearch;
285 } elseif ($sPhraseType != 'country'
286 && is_a($oSearchTerm, '\Nominatim\Token\Word')
288 $iWordID = $oSearchTerm->iId;
289 // Full words can only be a name if they appear at the beginning
290 // of the phrase. In structured search the name must forcably in
291 // the first phrase. In unstructured search it may be in a later
292 // phrase when the first phrase is a house number.
293 if (!empty($this->aName) || !($bFirstPhrase || $sPhraseType == '')) {
294 if (($sPhraseType == '' || !$bFirstPhrase) && !$bHasPartial) {
295 $oSearch = clone $this;
296 $oSearch->iSearchRank += 3 * $oSearchTerm->iTermCount;
297 $oSearch->aAddress[$iWordID] = $iWordID;
298 $aNewSearches[] = $oSearch;
300 } elseif (empty($this->aNameNonSearch)) {
301 $oSearch = clone $this;
302 $oSearch->iSearchRank++;
303 $oSearch->aName = array($iWordID => $iWordID);
304 if (CONST_Search_NameOnlySearchFrequencyThreshold) {
305 $oSearch->bRareName =
306 $oSearchTerm->iSearchNameCount
307 < CONST_Search_NameOnlySearchFrequencyThreshold;
309 $aNewSearches[] = $oSearch;
313 return $aNewSearches;
317 * Derive new searches by adding a partial term to the existing search.
319 * @param string $sToken Term for the token.
320 * @param object $oSearchTerm Description of the token.
321 * @param bool $bStructuredPhrases True if the search is structured.
322 * @param integer $iPhrase Number of the phrase the token is in.
323 * @param array[] $aFullTokens List of full term tokens with the
326 * @return SearchDescription[] List of derived search descriptions.
328 public function extendWithPartialTerm($sToken, $oSearchTerm, $bStructuredPhrases, $iPhrase, $aFullTokens)
330 // Only allow name terms.
331 if (!(is_a($oSearchTerm, '\Nominatim\Token\Word'))) {
335 $aNewSearches = array();
336 $iWordID = $oSearchTerm->iId;
338 if ((!$bStructuredPhrases || $iPhrase > 0)
339 && (!empty($this->aName))
341 $oSearch = clone $this;
342 $oSearch->iSearchRank++;
343 if (preg_match('#^[0-9 ]+$#', $sToken)) {
344 $oSearch->iSearchRank++;
346 if ($oSearchTerm->iSearchNameCount < CONST_Max_Word_Frequency) {
347 $oSearch->aAddress[$iWordID] = $iWordID;
349 $oSearch->aAddressNonSearch[$iWordID] = $iWordID;
350 if (!empty($aFullTokens)) {
351 $oSearch->iSearchRank++;
354 $aNewSearches[] = $oSearch;
357 if ((!$this->sPostcode && !$this->aAddress && !$this->aAddressNonSearch)
358 && ((empty($this->aName) && empty($this->aNameNonSearch)) || $this->iNamePhrase == $iPhrase)
359 && strpos($sToken, ' ') === false
361 $oSearch = clone $this;
362 $oSearch->iSearchRank++;
363 if (empty($this->aName) && empty($this->aNameNonSearch)) {
364 $oSearch->iSearchRank++;
366 if (preg_match('#^[0-9 ]+$#', $sToken)) {
367 $oSearch->iSearchRank++;
369 if ($oSearchTerm->iSearchNameCount < CONST_Max_Word_Frequency) {
370 if (empty($this->aName)
371 && CONST_Search_NameOnlySearchFrequencyThreshold
373 $oSearch->bRareName =
374 $oSearchTerm->iSearchNameCount
375 < CONST_Search_NameOnlySearchFrequencyThreshold;
377 $oSearch->bRareName = false;
379 $oSearch->aName[$iWordID] = $iWordID;
381 if (!empty($aFullTokens)) {
382 $oSearch->iSearchRank++;
384 $oSearch->aNameNonSearch[$iWordID] = $iWordID;
386 $oSearch->iNamePhrase = $iPhrase;
387 $aNewSearches[] = $oSearch;
390 return $aNewSearches;
393 /////////// Query functions
397 * Query database for places that match this search.
399 * @param object $oDB Nominatim::DB instance to use.
400 * @param integer $iMinRank Minimum address rank to restrict search to.
401 * @param integer $iMaxRank Maximum address rank to restrict search to.
402 * @param integer $iLimit Maximum number of results.
404 * @return mixed[] An array with two fields: IDs contains the list of
405 * matching place IDs and houseNumber the houseNumber
406 * if appicable or -1 if not.
408 public function query(&$oDB, $iMinRank, $iMaxRank, $iLimit)
413 if ($this->sCountryCode
414 && empty($this->aName)
417 && !$this->oContext->hasNearPoint()
419 // Just looking for a country - look it up
420 if (4 >= $iMinRank && 4 <= $iMaxRank) {
421 $aResults = $this->queryCountry($oDB);
423 } elseif (empty($this->aName) && empty($this->aAddress)) {
424 // Neither name nor address? Then we must be
425 // looking for a POI in a geographic area.
426 if ($this->oContext->isBoundedSearch()) {
427 $aResults = $this->queryNearbyPoi($oDB, $iLimit);
429 } elseif ($this->iOperator == Operator::POSTCODE) {
430 // looking for postcode
431 $aResults = $this->queryPostcode($oDB, $iLimit);
434 // First search for places according to name and address.
435 $aResults = $this->queryNamedPlace(
442 // Now search for housenumber, if housenumber provided. Can be zero.
443 if (($this->sHouseNumber || $this->sHouseNumber === '0') && !empty($aResults)) {
444 // Downgrade the rank of the street results, they are missing
446 foreach ($aResults as $oRes) {
447 if ($oRes->iAddressRank >= 26) {
448 $oRes->iResultRank++;
450 $oRes->iResultRank += 2;
454 $aHnResults = $this->queryHouseNumber($oDB, $aResults);
456 if (!empty($aHnResults)) {
457 foreach ($aHnResults as $oRes) {
458 $aResults[$oRes->iId] = $oRes;
463 // finally get POIs if requested
464 if ($this->sClass && !empty($aResults)) {
465 $aResults = $this->queryPoiByOperator($oDB, $aResults, $iLimit);
469 Debug::printDebugTable('Place IDs', $aResults);
471 if (!empty($aResults) && $this->sPostcode) {
472 $sPlaceIds = Result::joinIdsByTable($aResults, Result::TABLE_PLACEX);
474 $sSQL = 'SELECT place_id FROM placex';
475 $sSQL .= ' WHERE place_id in ('.$sPlaceIds.')';
476 $sSQL .= " AND postcode != '".$this->sPostcode."'";
477 Debug::printSQL($sSQL);
478 $aFilteredPlaceIDs = $oDB->getCol($sSQL);
479 if ($aFilteredPlaceIDs) {
480 foreach ($aFilteredPlaceIDs as $iPlaceId) {
481 $aResults[$iPlaceId]->iResultRank++;
491 private function queryCountry(&$oDB)
493 $sSQL = 'SELECT place_id FROM placex ';
494 $sSQL .= "WHERE country_code='".$this->sCountryCode."'";
495 $sSQL .= ' AND rank_search = 4';
496 if ($this->oContext->bViewboxBounded) {
497 $sSQL .= ' AND ST_Intersects('.$this->oContext->sqlViewboxSmall.', geometry)';
499 $sSQL .= ' ORDER BY st_area(geometry) DESC LIMIT 1';
501 Debug::printSQL($sSQL);
503 $iPlaceId = $oDB->getOne($sSQL);
507 $aResults[$iPlaceId] = new Result($iPlaceId);
513 private function queryNearbyPoi(&$oDB, $iLimit)
515 if (!$this->sClass) {
519 $aDBResults = array();
520 $sPoiTable = $this->poiTable();
522 if ($oDB->tableExists($sPoiTable)) {
523 $sSQL = 'SELECT place_id FROM '.$sPoiTable.' ct';
524 if ($this->oContext->sqlCountryList) {
525 $sSQL .= ' JOIN placex USING (place_id)';
527 if ($this->oContext->hasNearPoint()) {
528 $sSQL .= ' WHERE '.$this->oContext->withinSQL('ct.centroid');
529 } elseif ($this->oContext->bViewboxBounded) {
530 $sSQL .= ' WHERE ST_Contains('.$this->oContext->sqlViewboxSmall.', ct.centroid)';
532 if ($this->oContext->sqlCountryList) {
533 $sSQL .= ' AND country_code in '.$this->oContext->sqlCountryList;
535 $sSQL .= $this->oContext->excludeSQL(' AND place_id');
536 if ($this->oContext->sqlViewboxCentre) {
537 $sSQL .= ' ORDER BY ST_Distance(';
538 $sSQL .= $this->oContext->sqlViewboxCentre.', ct.centroid) ASC';
539 } elseif ($this->oContext->hasNearPoint()) {
540 $sSQL .= ' ORDER BY '.$this->oContext->distanceSQL('ct.centroid').' ASC';
542 $sSQL .= " LIMIT $iLimit";
543 Debug::printSQL($sSQL);
544 $aDBResults = $oDB->getCol($sSQL);
547 if ($this->oContext->hasNearPoint()) {
548 $sSQL = 'SELECT place_id FROM placex WHERE ';
549 $sSQL .= 'class = :class and type = :type';
550 $sSQL .= ' AND '.$this->oContext->withinSQL('geometry');
551 $sSQL .= ' AND linked_place_id is null';
552 if ($this->oContext->sqlCountryList) {
553 $sSQL .= ' AND country_code in '.$this->oContext->sqlCountryList;
555 $sSQL .= ' ORDER BY '.$this->oContext->distanceSQL('centroid').' ASC';
556 $sSQL .= " LIMIT $iLimit";
557 Debug::printSQL($sSQL);
558 $aDBResults = $oDB->getCol(
560 array(':class' => $this->sClass, ':type' => $this->sType)
565 foreach ($aDBResults as $iPlaceId) {
566 $aResults[$iPlaceId] = new Result($iPlaceId);
572 private function queryPostcode(&$oDB, $iLimit)
574 $sSQL = 'SELECT p.place_id FROM location_postcode p ';
576 if (!empty($this->aAddress)) {
577 $sSQL .= ', search_name s ';
578 $sSQL .= 'WHERE s.place_id = p.parent_place_id ';
579 $sSQL .= 'AND array_cat(s.nameaddress_vector, s.name_vector)';
580 $sSQL .= ' @> '.$oDB->getArraySQL($this->aAddress).' AND ';
585 $sSQL .= "p.postcode = '".reset($this->aName)."'";
586 $sSQL .= $this->countryCodeSQL(' AND p.country_code');
587 if ($this->oContext->bViewboxBounded) {
588 $sSQL .= ' AND ST_Intersects('.$this->oContext->sqlViewboxSmall.', geometry)';
590 $sSQL .= $this->oContext->excludeSQL(' AND p.place_id');
591 $sSQL .= " LIMIT $iLimit";
593 Debug::printSQL($sSQL);
596 foreach ($oDB->getCol($sSQL) as $iPlaceId) {
597 $aResults[$iPlaceId] = new Result($iPlaceId, Result::TABLE_POSTCODE);
603 private function queryNamedPlace(&$oDB, $iMinAddressRank, $iMaxAddressRank, $iLimit)
608 // Sort by existence of the requested house number but only if not
609 // too many results are expected for the street, i.e. if the result
610 // will be narrowed down by an address. Remeber that with ordering
611 // every single result has to be checked.
612 if ($this->sHouseNumber && (!empty($this->aAddress) || $this->sPostcode)) {
613 $sHouseNumberRegex = '\\\\m'.$this->sHouseNumber.'\\\\M';
615 $aOrder[0] .= 'EXISTS(';
616 $aOrder[0] .= ' SELECT place_id';
617 $aOrder[0] .= ' FROM placex';
618 $aOrder[0] .= ' WHERE parent_place_id = search_name.place_id';
619 $aOrder[0] .= " AND transliteration(housenumber) ~* E'".$sHouseNumberRegex."'";
620 $aOrder[0] .= ' LIMIT 1';
622 // also housenumbers from interpolation lines table are needed
623 if (preg_match('/[0-9]+/', $this->sHouseNumber)) {
624 $iHouseNumber = intval($this->sHouseNumber);
625 $aOrder[0] .= 'OR EXISTS(';
626 $aOrder[0] .= ' SELECT place_id ';
627 $aOrder[0] .= ' FROM location_property_osmline ';
628 $aOrder[0] .= ' WHERE parent_place_id = search_name.place_id';
629 $aOrder[0] .= ' AND startnumber is not NULL';
630 $aOrder[0] .= ' AND '.$iHouseNumber.'>=startnumber ';
631 $aOrder[0] .= ' AND '.$iHouseNumber.'<=endnumber ';
632 $aOrder[0] .= ' LIMIT 1';
635 $aOrder[0] .= ') DESC';
638 if (!empty($this->aName)) {
639 $aTerms[] = 'name_vector @> '.$oDB->getArraySQL($this->aName);
641 if (!empty($this->aAddress)) {
642 // For infrequent name terms disable index usage for address
643 if ($this->bRareName) {
644 $aTerms[] = 'array_cat(nameaddress_vector,ARRAY[]::integer[]) @> '.$oDB->getArraySQL($this->aAddress);
646 $aTerms[] = 'nameaddress_vector @> '.$oDB->getArraySQL($this->aAddress);
650 $sCountryTerm = $this->countryCodeSQL('country_code');
652 $aTerms[] = $sCountryTerm;
655 if ($this->sHouseNumber) {
656 $aTerms[] = 'address_rank between 16 and 30';
657 } elseif (!$this->sClass || $this->iOperator == Operator::NAME) {
658 if ($iMinAddressRank > 0) {
659 $aTerms[] = "((address_rank between $iMinAddressRank and $iMaxAddressRank) or (search_rank between $iMinAddressRank and $iMaxAddressRank))";
663 if ($this->oContext->hasNearPoint()) {
664 $aTerms[] = $this->oContext->withinSQL('centroid');
665 $aOrder[] = $this->oContext->distanceSQL('centroid');
666 } elseif ($this->sPostcode) {
667 if (empty($this->aAddress)) {
668 $aTerms[] = "EXISTS(SELECT place_id FROM location_postcode p WHERE p.postcode = '".$this->sPostcode."' AND ST_DWithin(search_name.centroid, p.geometry, 0.1))";
670 $aOrder[] = "(SELECT min(ST_Distance(search_name.centroid, p.geometry)) FROM location_postcode p WHERE p.postcode = '".$this->sPostcode."')";
674 $sExcludeSQL = $this->oContext->excludeSQL('place_id');
676 $aTerms[] = $sExcludeSQL;
679 if ($this->oContext->bViewboxBounded) {
680 $aTerms[] = 'centroid && '.$this->oContext->sqlViewboxSmall;
683 if ($this->oContext->hasNearPoint()) {
684 $aOrder[] = $this->oContext->distanceSQL('centroid');
687 if ($this->sHouseNumber) {
688 $sImportanceSQL = '- abs(26 - address_rank) + 3';
690 $sImportanceSQL = '(CASE WHEN importance = 0 OR importance IS NULL THEN 0.75001-(search_rank::float/40) ELSE importance END)';
692 $sImportanceSQL .= $this->oContext->viewboxImportanceSQL('centroid');
693 $aOrder[] = "$sImportanceSQL DESC";
695 $aFullNameAddress = $this->oContext->getFullNameTerms();
696 if (!empty($aFullNameAddress)) {
697 $sExactMatchSQL = ' ( ';
698 $sExactMatchSQL .= ' SELECT count(*) FROM ( ';
699 $sExactMatchSQL .= ' SELECT unnest('.$oDB->getArraySQL($aFullNameAddress).')';
700 $sExactMatchSQL .= ' INTERSECT ';
701 $sExactMatchSQL .= ' SELECT unnest(nameaddress_vector)';
702 $sExactMatchSQL .= ' ) s';
703 $sExactMatchSQL .= ') as exactmatch';
704 $aOrder[] = 'exactmatch DESC';
706 $sExactMatchSQL = '0::int as exactmatch';
709 if ($this->sHouseNumber || $this->sClass) {
715 if (!empty($aTerms)) {
716 $sSQL = 'SELECT place_id, address_rank,'.$sExactMatchSQL;
717 $sSQL .= ' FROM search_name';
718 $sSQL .= ' WHERE '.join(' and ', $aTerms);
719 $sSQL .= ' ORDER BY '.join(', ', $aOrder);
720 $sSQL .= ' LIMIT '.$iLimit;
722 Debug::printSQL($sSQL);
724 $aDBResults = $oDB->getAll($sSQL, null, 'Could not get places for search terms.');
726 foreach ($aDBResults as $aResult) {
727 $oResult = new Result($aResult['place_id']);
728 $oResult->iExactMatches = $aResult['exactmatch'];
729 $oResult->iAddressRank = $aResult['address_rank'];
730 $aResults[$aResult['place_id']] = $oResult;
737 private function queryHouseNumber(&$oDB, $aRoadPlaceIDs)
740 $sPlaceIDs = Result::joinIdsByTable($aRoadPlaceIDs, Result::TABLE_PLACEX);
746 $sHouseNumberRegex = '\\\\m'.$this->sHouseNumber.'\\\\M';
747 $sSQL = 'SELECT place_id FROM placex ';
748 $sSQL .= 'WHERE parent_place_id in ('.$sPlaceIDs.')';
749 $sSQL .= " AND transliteration(housenumber) ~* E'".$sHouseNumberRegex."'";
750 $sSQL .= $this->oContext->excludeSQL(' AND place_id');
752 Debug::printSQL($sSQL);
754 // XXX should inherit the exactMatches from its parent
755 foreach ($oDB->getCol($sSQL) as $iPlaceId) {
756 $aResults[$iPlaceId] = new Result($iPlaceId);
759 $bIsIntHouseNumber= (bool) preg_match('/[0-9]+/', $this->sHouseNumber);
760 $iHousenumber = intval($this->sHouseNumber);
761 if ($bIsIntHouseNumber && empty($aResults)) {
762 // if nothing found, search in the interpolation line table
763 $sSQL = 'SELECT distinct place_id FROM location_property_osmline';
764 $sSQL .= ' WHERE startnumber is not NULL';
765 $sSQL .= ' AND parent_place_id in ('.$sPlaceIDs.') AND (';
766 if ($iHousenumber % 2 == 0) {
767 // If housenumber is even, look for housenumber in streets
768 // with interpolationtype even or all.
769 $sSQL .= "interpolationtype='even'";
771 // Else look for housenumber with interpolationtype odd or all.
772 $sSQL .= "interpolationtype='odd'";
774 $sSQL .= " or interpolationtype='all') and ";
775 $sSQL .= $iHousenumber.'>=startnumber and ';
776 $sSQL .= $iHousenumber.'<=endnumber';
777 $sSQL .= $this->oContext->excludeSQL(' AND place_id');
779 Debug::printSQL($sSQL);
781 foreach ($oDB->getCol($sSQL) as $iPlaceId) {
782 $oResult = new Result($iPlaceId, Result::TABLE_OSMLINE);
783 $oResult->iHouseNumber = $iHousenumber;
784 $aResults[$iPlaceId] = $oResult;
788 // If nothing found try the aux fallback table
789 if (CONST_Use_Aux_Location_data && empty($aResults)) {
790 $sSQL = 'SELECT place_id FROM location_property_aux';
791 $sSQL .= ' WHERE parent_place_id in ('.$sPlaceIDs.')';
792 $sSQL .= " AND housenumber = '".$this->sHouseNumber."'";
793 $sSQL .= $this->oContext->excludeSQL(' AND place_id');
795 Debug::printSQL($sSQL);
797 foreach ($oDB->getCol($sSQL) as $iPlaceId) {
798 $aResults[$iPlaceId] = new Result($iPlaceId, Result::TABLE_AUX);
802 // If nothing found then search in Tiger data (location_property_tiger)
803 if (CONST_Use_US_Tiger_Data && $bIsIntHouseNumber && empty($aResults)) {
804 $sSQL = 'SELECT place_id FROM location_property_tiger';
805 $sSQL .= ' WHERE parent_place_id in ('.$sPlaceIDs.') and (';
806 if ($iHousenumber % 2 == 0) {
807 $sSQL .= "interpolationtype='even'";
809 $sSQL .= "interpolationtype='odd'";
811 $sSQL .= " or interpolationtype='all') and ";
812 $sSQL .= $iHousenumber.'>=startnumber and ';
813 $sSQL .= $iHousenumber.'<=endnumber';
814 $sSQL .= $this->oContext->excludeSQL(' AND place_id');
816 Debug::printSQL($sSQL);
818 foreach ($oDB->getCol($sSQL) as $iPlaceId) {
819 $oResult = new Result($iPlaceId, Result::TABLE_TIGER);
820 $oResult->iHouseNumber = $iHousenumber;
821 $aResults[$iPlaceId] = $oResult;
829 private function queryPoiByOperator(&$oDB, $aParentIDs, $iLimit)
832 $sPlaceIDs = Result::joinIdsByTable($aParentIDs, Result::TABLE_PLACEX);
838 if ($this->iOperator == Operator::TYPE || $this->iOperator == Operator::NAME) {
839 // If they were searching for a named class (i.e. 'Kings Head pub')
840 // then we might have an extra match
841 $sSQL = 'SELECT place_id FROM placex ';
842 $sSQL .= " WHERE place_id in ($sPlaceIDs)";
843 $sSQL .= " AND class='".$this->sClass."' ";
844 $sSQL .= " AND type='".$this->sType."'";
845 $sSQL .= ' AND linked_place_id is null';
846 $sSQL .= $this->oContext->excludeSQL(' AND place_id');
847 $sSQL .= ' ORDER BY rank_search ASC ';
848 $sSQL .= " LIMIT $iLimit";
850 Debug::printSQL($sSQL);
852 foreach ($oDB->getCol($sSQL) as $iPlaceId) {
853 $aResults[$iPlaceId] = new Result($iPlaceId);
857 // NEAR and IN are handled the same
858 if ($this->iOperator == Operator::TYPE || $this->iOperator == Operator::NEAR) {
859 $sClassTable = $this->poiTable();
860 $bCacheTable = $oDB->tableExists($sClassTable);
862 $sSQL = "SELECT min(rank_search) FROM placex WHERE place_id in ($sPlaceIDs)";
863 Debug::printSQL($sSQL);
864 $iMaxRank = (int) $oDB->getOne($sSQL);
866 // For state / country level searches the normal radius search doesn't work very well
868 if ($iMaxRank < 9 && $bCacheTable) {
869 // Try and get a polygon to search in instead
870 $sSQL = 'SELECT geometry FROM placex';
871 $sSQL .= " WHERE place_id in ($sPlaceIDs)";
872 $sSQL .= " AND rank_search < $iMaxRank + 5";
873 $sSQL .= " AND ST_GeometryType(geometry) in ('ST_Polygon','ST_MultiPolygon')";
874 $sSQL .= ' ORDER BY rank_search ASC ';
876 Debug::printSQL($sSQL);
877 $sPlaceGeom = $oDB->getOne($sSQL);
884 $sSQL = 'SELECT place_id FROM placex';
885 $sSQL .= " WHERE place_id in ($sPlaceIDs) and rank_search < $iMaxRank";
886 Debug::printSQL($sSQL);
887 $aPlaceIDs = $oDB->getCol($sSQL);
888 $sPlaceIDs = join(',', $aPlaceIDs);
891 if ($sPlaceIDs || $sPlaceGeom) {
894 // More efficient - can make the range bigger
898 if ($this->oContext->hasNearPoint()) {
899 $sOrderBySQL = $this->oContext->distanceSQL('l.centroid');
900 } elseif ($sPlaceIDs) {
901 $sOrderBySQL = 'ST_Distance(l.centroid, f.geometry)';
902 } elseif ($sPlaceGeom) {
903 $sOrderBySQL = "ST_Distance(st_centroid('".$sPlaceGeom."'), l.centroid)";
906 $sSQL = 'SELECT distinct i.place_id';
908 $sSQL .= ', i.order_term';
910 $sSQL .= ' from (SELECT l.place_id';
912 $sSQL .= ','.$sOrderBySQL.' as order_term';
914 $sSQL .= ' from '.$sClassTable.' as l';
917 $sSQL .= ',placex as f WHERE ';
918 $sSQL .= "f.place_id in ($sPlaceIDs) ";
919 $sSQL .= " AND ST_DWithin(l.centroid, f.centroid, $fRange)";
920 } elseif ($sPlaceGeom) {
921 $sSQL .= " WHERE ST_Contains('$sPlaceGeom', l.centroid)";
924 $sSQL .= $this->oContext->excludeSQL(' AND l.place_id');
925 $sSQL .= 'limit 300) i ';
927 $sSQL .= 'order by order_term asc';
929 $sSQL .= " limit $iLimit";
931 Debug::printSQL($sSQL);
933 foreach ($oDB->getCol($sSQL) as $iPlaceId) {
934 $aResults[$iPlaceId] = new Result($iPlaceId);
937 if ($this->oContext->hasNearPoint()) {
938 $fRange = $this->oContext->nearRadius();
942 if ($this->oContext->hasNearPoint()) {
943 $sOrderBySQL = $this->oContext->distanceSQL('l.geometry');
945 $sOrderBySQL = 'ST_Distance(l.geometry, f.geometry)';
948 $sSQL = 'SELECT distinct l.place_id';
950 $sSQL .= ','.$sOrderBySQL.' as orderterm';
952 $sSQL .= ' FROM placex as l, placex as f';
953 $sSQL .= " WHERE f.place_id in ($sPlaceIDs)";
954 $sSQL .= " AND ST_DWithin(l.geometry, f.centroid, $fRange)";
955 $sSQL .= " AND l.class='".$this->sClass."'";
956 $sSQL .= " AND l.type='".$this->sType."'";
957 $sSQL .= $this->oContext->excludeSQL(' AND l.place_id');
959 $sSQL .= 'ORDER BY orderterm ASC';
961 $sSQL .= " limit $iLimit";
963 Debug::printSQL($sSQL);
965 foreach ($oDB->getCol($sSQL) as $iPlaceId) {
966 $aResults[$iPlaceId] = new Result($iPlaceId);
975 private function poiTable()
977 return 'place_classtype_'.$this->sClass.'_'.$this->sType;
980 private function countryCodeSQL($sVar)
982 if ($this->sCountryCode) {
983 return $sVar.' = \''.$this->sCountryCode."'";
985 if ($this->oContext->sqlCountryList) {
986 return $sVar.' in '.$this->oContext->sqlCountryList;
992 /////////// Sort functions
995 public static function bySearchRank($a, $b)
997 if ($a->iSearchRank == $b->iSearchRank) {
998 return $a->iOperator + strlen($a->sHouseNumber)
999 - $b->iOperator - strlen($b->sHouseNumber);
1002 return $a->iSearchRank < $b->iSearchRank ? -1 : 1;
1005 //////////// Debugging functions
1008 public function debugInfo()
1011 'Search rank' => $this->iSearchRank,
1012 'Country code' => $this->sCountryCode,
1013 'Name terms' => $this->aName,
1014 'Name terms (stop words)' => $this->aNameNonSearch,
1015 'Address terms' => $this->aAddress,
1016 'Address terms (stop words)' => $this->aAddressNonSearch,
1017 'Address terms (full words)' => $this->aFullNameAddress ?? '',
1018 'Special search' => $this->iOperator,
1019 'Class' => $this->sClass,
1020 'Type' => $this->sType,
1021 'House number' => $this->sHouseNumber,
1022 'Postcode' => $this->sPostcode
1026 public function dumpAsHtmlTableRow(&$aWordIDs)
1028 $kf = function ($k) use (&$aWordIDs) {
1029 return $aWordIDs[$k] ?? '['.$k.']';
1033 echo "<td>$this->iSearchRank</td>";
1034 echo '<td>'.join(', ', array_map($kf, $this->aName)).'</td>';
1035 echo '<td>'.join(', ', array_map($kf, $this->aNameNonSearch)).'</td>';
1036 echo '<td>'.join(', ', array_map($kf, $this->aAddress)).'</td>';
1037 echo '<td>'.join(', ', array_map($kf, $this->aAddressNonSearch)).'</td>';
1038 echo '<td>'.$this->sCountryCode.'</td>';
1039 echo '<td>'.Operator::toString($this->iOperator).'</td>';
1040 echo '<td>'.$this->sClass.'</td>';
1041 echo '<td>'.$this->sType.'</td>';
1042 echo '<td>'.$this->sPostcode.'</td>';
1043 echo '<td>'.$this->sHouseNumber.'</td>';