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;
182 $oSearch->iNamePhrase = -1;
184 $aNewSearches[] = $oSearch;
186 } elseif (($sPhraseType == '' || $sPhraseType == 'postalcode')
187 && is_a($oSearchTerm, '\Nominatim\Token\Postcode')
189 if (!$this->sPostcode) {
190 // If we have structured search or this is the first term,
191 // make the postcode the primary search element.
192 if ($this->iOperator == Operator::NONE && $bFirstToken) {
193 $oSearch = clone $this;
194 $oSearch->iSearchRank++;
195 $oSearch->iOperator = Operator::POSTCODE;
196 $oSearch->aAddress = array_merge($this->aAddress, $this->aName);
198 array($oSearchTerm->iId => $oSearchTerm->sPostcode);
199 $aNewSearches[] = $oSearch;
202 // If we have a structured search or this is not the first term,
203 // add the postcode as an addendum.
204 if ($this->iOperator != Operator::POSTCODE
205 && ($sPhraseType == 'postalcode' || !empty($this->aName))
207 $oSearch = clone $this;
208 $oSearch->iSearchRank++;
209 $oSearch->iNamePhrase = -1;
210 if (strlen($oSearchTerm->sPostcode) < 4) {
211 $oSearch->iSearchRank += 4 - strlen($oSearchTerm->sPostcode);
213 $oSearch->sPostcode = $oSearchTerm->sPostcode;
214 $aNewSearches[] = $oSearch;
217 } elseif (($sPhraseType == '' || $sPhraseType == 'street')
218 && is_a($oSearchTerm, '\Nominatim\Token\HouseNumber')
220 if (!$this->sHouseNumber && $this->iOperator != Operator::POSTCODE) {
221 $oSearch = clone $this;
222 $oSearch->iSearchRank++;
223 $oSearch->iNamePhrase = -1;
224 $oSearch->sHouseNumber = $oSearchTerm->sToken;
225 if ($this->iOperator != Operator::NONE) {
226 $oSearch->iSearchRank++;
228 // sanity check: if the housenumber is not mainly made
229 // up of numbers, add a penalty
230 if (preg_match('/\\d/', $oSearch->sHouseNumber) === 0
231 || preg_match_all('/[^0-9]/', $oSearch->sHouseNumber, $aMatches) > 2) {
232 $oSearch->iSearchRank++;
234 if (empty($oSearchTerm->iId)) {
235 $oSearch->iSearchRank++;
237 // also must not appear in the middle of the address
238 if (!empty($this->aAddress)
239 || (!empty($this->aAddressNonSearch))
242 $oSearch->iSearchRank++;
244 $aNewSearches[] = $oSearch;
245 // Housenumbers may appear in the name when the place has its own
247 if ($oSearchTerm->iId !== null
248 && ($this->iNamePhrase >= 0 || empty($this->aName))
249 && empty($this->aAddress)
251 $oSearch = clone $this;
252 $oSearch->iSearchRank++;
253 $oSearch->aAddress = $this->aName;
254 $oSearch->bRareName = false;
255 $oSearch->aName = array($oSearchTerm->iId => $oSearchTerm->iId);
256 $aNewSearches[] = $oSearch;
259 } elseif ($sPhraseType == ''
260 && is_a($oSearchTerm, '\Nominatim\Token\SpecialTerm')
262 if ($this->iOperator == Operator::NONE) {
263 $oSearch = clone $this;
264 $oSearch->iSearchRank += 2;
265 $oSearch->iNamePhrase = -1;
267 $iOp = $oSearchTerm->iOperator;
268 if ($iOp == Operator::NONE) {
269 if (!empty($this->aName) || $this->oContext->isBoundedSearch()) {
270 $iOp = Operator::NAME;
272 $iOp = Operator::NEAR;
274 $oSearch->iSearchRank += 2;
275 } elseif (!$bFirstToken && !$bLastToken) {
276 $oSearch->iSearchRank += 2;
278 if ($this->sHouseNumber) {
279 $oSearch->iSearchRank++;
282 $oSearch->setPoiSearch(
284 $oSearchTerm->sClass,
287 $aNewSearches[] = $oSearch;
289 } elseif ($sPhraseType != 'country'
290 && is_a($oSearchTerm, '\Nominatim\Token\Word')
292 $iWordID = $oSearchTerm->iId;
293 // Full words can only be a name if they appear at the beginning
294 // of the phrase. In structured search the name must forcably in
295 // the first phrase. In unstructured search it may be in a later
296 // phrase when the first phrase is a house number.
297 if (!empty($this->aName) || !($bFirstPhrase || $sPhraseType == '')) {
298 if (($sPhraseType == '' || !$bFirstPhrase) && !$bHasPartial) {
299 $oSearch = clone $this;
300 $oSearch->iNamePhrase = -1;
301 $oSearch->iSearchRank += 3 * $oSearchTerm->iTermCount;
302 $oSearch->aAddress[$iWordID] = $iWordID;
303 $aNewSearches[] = $oSearch;
305 } elseif (empty($this->aNameNonSearch)) {
306 $oSearch = clone $this;
307 $oSearch->iSearchRank++;
308 $oSearch->aName = array($iWordID => $iWordID);
309 if (CONST_Search_NameOnlySearchFrequencyThreshold) {
310 $oSearch->bRareName =
311 $oSearchTerm->iSearchNameCount
312 < CONST_Search_NameOnlySearchFrequencyThreshold;
314 $aNewSearches[] = $oSearch;
318 return $aNewSearches;
322 * Derive new searches by adding a partial term to the existing search.
324 * @param string $sToken Term for the token.
325 * @param object $oSearchTerm Description of the token.
326 * @param bool $bStructuredPhrases True if the search is structured.
327 * @param integer $iPhrase Number of the phrase the token is in.
328 * @param array[] $aFullTokens List of full term tokens with the
331 * @return SearchDescription[] List of derived search descriptions.
333 public function extendWithPartialTerm($sToken, $oSearchTerm, $bStructuredPhrases, $iPhrase, $aFullTokens)
335 // Only allow name terms.
336 if (!(is_a($oSearchTerm, '\Nominatim\Token\Word'))) {
340 $aNewSearches = array();
341 $iWordID = $oSearchTerm->iId;
343 if ((!$bStructuredPhrases || $iPhrase > 0)
344 && (!empty($this->aName))
346 $oSearch = clone $this;
347 $oSearch->iSearchRank++;
348 if (preg_match('#^[0-9 ]+$#', $sToken)) {
349 $oSearch->iSearchRank++;
351 if ($oSearchTerm->iSearchNameCount < CONST_Max_Word_Frequency) {
352 $oSearch->aAddress[$iWordID] = $iWordID;
354 $oSearch->aAddressNonSearch[$iWordID] = $iWordID;
355 if (!empty($aFullTokens)) {
356 $oSearch->iSearchRank++;
359 $aNewSearches[] = $oSearch;
362 if ((!$this->sPostcode && !$this->aAddress && !$this->aAddressNonSearch)
363 && ((empty($this->aName) && empty($this->aNameNonSearch)) || $this->iNamePhrase == $iPhrase)
364 && strpos($sToken, ' ') === false
366 $oSearch = clone $this;
367 $oSearch->iSearchRank++;
368 if (empty($this->aName) && empty($this->aNameNonSearch)) {
369 $oSearch->iSearchRank++;
371 if (preg_match('#^[0-9 ]+$#', $sToken)) {
372 $oSearch->iSearchRank++;
374 if ($oSearchTerm->iSearchNameCount < CONST_Max_Word_Frequency) {
375 if (empty($this->aName)
376 && CONST_Search_NameOnlySearchFrequencyThreshold
378 $oSearch->bRareName =
379 $oSearchTerm->iSearchNameCount
380 < CONST_Search_NameOnlySearchFrequencyThreshold;
382 $oSearch->bRareName = false;
384 $oSearch->aName[$iWordID] = $iWordID;
386 if (!empty($aFullTokens)) {
387 $oSearch->iSearchRank++;
389 $oSearch->aNameNonSearch[$iWordID] = $iWordID;
391 $oSearch->iNamePhrase = $iPhrase;
392 $aNewSearches[] = $oSearch;
395 return $aNewSearches;
398 /////////// Query functions
402 * Query database for places that match this search.
404 * @param object $oDB Nominatim::DB instance to use.
405 * @param integer $iMinRank Minimum address rank to restrict search to.
406 * @param integer $iMaxRank Maximum address rank to restrict search to.
407 * @param integer $iLimit Maximum number of results.
409 * @return mixed[] An array with two fields: IDs contains the list of
410 * matching place IDs and houseNumber the houseNumber
411 * if appicable or -1 if not.
413 public function query(&$oDB, $iMinRank, $iMaxRank, $iLimit)
418 if ($this->sCountryCode
419 && empty($this->aName)
422 && !$this->oContext->hasNearPoint()
424 // Just looking for a country - look it up
425 if (4 >= $iMinRank && 4 <= $iMaxRank) {
426 $aResults = $this->queryCountry($oDB);
428 } elseif (empty($this->aName) && empty($this->aAddress)) {
429 // Neither name nor address? Then we must be
430 // looking for a POI in a geographic area.
431 if ($this->oContext->isBoundedSearch()) {
432 $aResults = $this->queryNearbyPoi($oDB, $iLimit);
434 } elseif ($this->iOperator == Operator::POSTCODE) {
435 // looking for postcode
436 $aResults = $this->queryPostcode($oDB, $iLimit);
439 // First search for places according to name and address.
440 $aResults = $this->queryNamedPlace(
447 // Now search for housenumber, if housenumber provided. Can be zero.
448 if (($this->sHouseNumber || $this->sHouseNumber === '0') && !empty($aResults)) {
449 // Downgrade the rank of the street results, they are missing
451 foreach ($aResults as $oRes) {
452 if ($oRes->iAddressRank >= 26) {
453 $oRes->iResultRank++;
455 $oRes->iResultRank += 2;
459 $aHnResults = $this->queryHouseNumber($oDB, $aResults);
461 if (!empty($aHnResults)) {
462 foreach ($aHnResults as $oRes) {
463 $aResults[$oRes->iId] = $oRes;
468 // finally get POIs if requested
469 if ($this->sClass && !empty($aResults)) {
470 $aResults = $this->queryPoiByOperator($oDB, $aResults, $iLimit);
474 Debug::printDebugTable('Place IDs', $aResults);
476 if (!empty($aResults) && $this->sPostcode) {
477 $sPlaceIds = Result::joinIdsByTable($aResults, Result::TABLE_PLACEX);
479 $sSQL = 'SELECT place_id FROM placex';
480 $sSQL .= ' WHERE place_id in ('.$sPlaceIds.')';
481 $sSQL .= " AND postcode != '".$this->sPostcode."'";
482 Debug::printSQL($sSQL);
483 $aFilteredPlaceIDs = $oDB->getCol($sSQL);
484 if ($aFilteredPlaceIDs) {
485 foreach ($aFilteredPlaceIDs as $iPlaceId) {
486 $aResults[$iPlaceId]->iResultRank++;
496 private function queryCountry(&$oDB)
498 $sSQL = 'SELECT place_id FROM placex ';
499 $sSQL .= "WHERE country_code='".$this->sCountryCode."'";
500 $sSQL .= ' AND rank_search = 4';
501 if ($this->oContext->bViewboxBounded) {
502 $sSQL .= ' AND ST_Intersects('.$this->oContext->sqlViewboxSmall.', geometry)';
504 $sSQL .= ' ORDER BY st_area(geometry) DESC LIMIT 1';
506 Debug::printSQL($sSQL);
508 $iPlaceId = $oDB->getOne($sSQL);
512 $aResults[$iPlaceId] = new Result($iPlaceId);
518 private function queryNearbyPoi(&$oDB, $iLimit)
520 if (!$this->sClass) {
524 $aDBResults = array();
525 $sPoiTable = $this->poiTable();
527 if ($oDB->tableExists($sPoiTable)) {
528 $sSQL = 'SELECT place_id FROM '.$sPoiTable.' ct';
529 if ($this->oContext->sqlCountryList) {
530 $sSQL .= ' JOIN placex USING (place_id)';
532 if ($this->oContext->hasNearPoint()) {
533 $sSQL .= ' WHERE '.$this->oContext->withinSQL('ct.centroid');
534 } elseif ($this->oContext->bViewboxBounded) {
535 $sSQL .= ' WHERE ST_Contains('.$this->oContext->sqlViewboxSmall.', ct.centroid)';
537 if ($this->oContext->sqlCountryList) {
538 $sSQL .= ' AND country_code in '.$this->oContext->sqlCountryList;
540 $sSQL .= $this->oContext->excludeSQL(' AND place_id');
541 if ($this->oContext->sqlViewboxCentre) {
542 $sSQL .= ' ORDER BY ST_Distance(';
543 $sSQL .= $this->oContext->sqlViewboxCentre.', ct.centroid) ASC';
544 } elseif ($this->oContext->hasNearPoint()) {
545 $sSQL .= ' ORDER BY '.$this->oContext->distanceSQL('ct.centroid').' ASC';
547 $sSQL .= " LIMIT $iLimit";
548 Debug::printSQL($sSQL);
549 $aDBResults = $oDB->getCol($sSQL);
552 if ($this->oContext->hasNearPoint()) {
553 $sSQL = 'SELECT place_id FROM placex WHERE ';
554 $sSQL .= 'class = :class and type = :type';
555 $sSQL .= ' AND '.$this->oContext->withinSQL('geometry');
556 $sSQL .= ' AND linked_place_id is null';
557 if ($this->oContext->sqlCountryList) {
558 $sSQL .= ' AND country_code in '.$this->oContext->sqlCountryList;
560 $sSQL .= ' ORDER BY '.$this->oContext->distanceSQL('centroid').' ASC';
561 $sSQL .= " LIMIT $iLimit";
562 Debug::printSQL($sSQL);
563 $aDBResults = $oDB->getCol(
565 array(':class' => $this->sClass, ':type' => $this->sType)
570 foreach ($aDBResults as $iPlaceId) {
571 $aResults[$iPlaceId] = new Result($iPlaceId);
577 private function queryPostcode(&$oDB, $iLimit)
579 $sSQL = 'SELECT p.place_id FROM location_postcode p ';
581 if (!empty($this->aAddress)) {
582 $sSQL .= ', search_name s ';
583 $sSQL .= 'WHERE s.place_id = p.parent_place_id ';
584 $sSQL .= 'AND array_cat(s.nameaddress_vector, s.name_vector)';
585 $sSQL .= ' @> '.$oDB->getArraySQL($this->aAddress).' AND ';
590 $sSQL .= "p.postcode = '".reset($this->aName)."'";
591 $sSQL .= $this->countryCodeSQL(' AND p.country_code');
592 if ($this->oContext->bViewboxBounded) {
593 $sSQL .= ' AND ST_Intersects('.$this->oContext->sqlViewboxSmall.', geometry)';
595 $sSQL .= $this->oContext->excludeSQL(' AND p.place_id');
596 $sSQL .= " LIMIT $iLimit";
598 Debug::printSQL($sSQL);
601 foreach ($oDB->getCol($sSQL) as $iPlaceId) {
602 $aResults[$iPlaceId] = new Result($iPlaceId, Result::TABLE_POSTCODE);
608 private function queryNamedPlace(&$oDB, $iMinAddressRank, $iMaxAddressRank, $iLimit)
613 // Sort by existence of the requested house number but only if not
614 // too many results are expected for the street, i.e. if the result
615 // will be narrowed down by an address. Remeber that with ordering
616 // every single result has to be checked.
617 if ($this->sHouseNumber && (!empty($this->aAddress) || $this->sPostcode)) {
618 $sHouseNumberRegex = '\\\\m'.$this->sHouseNumber.'\\\\M';
620 $aOrder[0] .= 'EXISTS(';
621 $aOrder[0] .= ' SELECT place_id';
622 $aOrder[0] .= ' FROM placex';
623 $aOrder[0] .= ' WHERE parent_place_id = search_name.place_id';
624 $aOrder[0] .= " AND transliteration(housenumber) ~* E'".$sHouseNumberRegex."'";
625 $aOrder[0] .= ' LIMIT 1';
627 // also housenumbers from interpolation lines table are needed
628 if (preg_match('/[0-9]+/', $this->sHouseNumber)) {
629 $iHouseNumber = intval($this->sHouseNumber);
630 $aOrder[0] .= 'OR EXISTS(';
631 $aOrder[0] .= ' SELECT place_id ';
632 $aOrder[0] .= ' FROM location_property_osmline ';
633 $aOrder[0] .= ' WHERE parent_place_id = search_name.place_id';
634 $aOrder[0] .= ' AND startnumber is not NULL';
635 $aOrder[0] .= ' AND '.$iHouseNumber.'>=startnumber ';
636 $aOrder[0] .= ' AND '.$iHouseNumber.'<=endnumber ';
637 $aOrder[0] .= ' LIMIT 1';
640 $aOrder[0] .= ') DESC';
643 if (!empty($this->aName)) {
644 $aTerms[] = 'name_vector @> '.$oDB->getArraySQL($this->aName);
646 if (!empty($this->aAddress)) {
647 // For infrequent name terms disable index usage for address
648 if ($this->bRareName) {
649 $aTerms[] = 'array_cat(nameaddress_vector,ARRAY[]::integer[]) @> '.$oDB->getArraySQL($this->aAddress);
651 $aTerms[] = 'nameaddress_vector @> '.$oDB->getArraySQL($this->aAddress);
655 $sCountryTerm = $this->countryCodeSQL('country_code');
657 $aTerms[] = $sCountryTerm;
660 if ($this->sHouseNumber) {
661 $aTerms[] = 'address_rank between 16 and 30';
662 } elseif (!$this->sClass || $this->iOperator == Operator::NAME) {
663 if ($iMinAddressRank > 0) {
664 $aTerms[] = "((address_rank between $iMinAddressRank and $iMaxAddressRank) or (search_rank between $iMinAddressRank and $iMaxAddressRank))";
668 if ($this->oContext->hasNearPoint()) {
669 $aTerms[] = $this->oContext->withinSQL('centroid');
670 $aOrder[] = $this->oContext->distanceSQL('centroid');
671 } elseif ($this->sPostcode) {
672 if (empty($this->aAddress)) {
673 $aTerms[] = "EXISTS(SELECT place_id FROM location_postcode p WHERE p.postcode = '".$this->sPostcode."' AND ST_DWithin(search_name.centroid, p.geometry, 0.1))";
675 $aOrder[] = "(SELECT min(ST_Distance(search_name.centroid, p.geometry)) FROM location_postcode p WHERE p.postcode = '".$this->sPostcode."')";
679 $sExcludeSQL = $this->oContext->excludeSQL('place_id');
681 $aTerms[] = $sExcludeSQL;
684 if ($this->oContext->bViewboxBounded) {
685 $aTerms[] = 'centroid && '.$this->oContext->sqlViewboxSmall;
688 if ($this->oContext->hasNearPoint()) {
689 $aOrder[] = $this->oContext->distanceSQL('centroid');
692 if ($this->sHouseNumber) {
693 $sImportanceSQL = '- abs(26 - address_rank) + 3';
695 $sImportanceSQL = '(CASE WHEN importance = 0 OR importance IS NULL THEN 0.75001-(search_rank::float/40) ELSE importance END)';
697 $sImportanceSQL .= $this->oContext->viewboxImportanceSQL('centroid');
698 $aOrder[] = "$sImportanceSQL DESC";
700 $aFullNameAddress = $this->oContext->getFullNameTerms();
701 if (!empty($aFullNameAddress)) {
702 $sExactMatchSQL = ' ( ';
703 $sExactMatchSQL .= ' SELECT count(*) FROM ( ';
704 $sExactMatchSQL .= ' SELECT unnest('.$oDB->getArraySQL($aFullNameAddress).')';
705 $sExactMatchSQL .= ' INTERSECT ';
706 $sExactMatchSQL .= ' SELECT unnest(nameaddress_vector)';
707 $sExactMatchSQL .= ' ) s';
708 $sExactMatchSQL .= ') as exactmatch';
709 $aOrder[] = 'exactmatch DESC';
711 $sExactMatchSQL = '0::int as exactmatch';
714 if ($this->sHouseNumber || $this->sClass) {
720 if (!empty($aTerms)) {
721 $sSQL = 'SELECT place_id, address_rank,'.$sExactMatchSQL;
722 $sSQL .= ' FROM search_name';
723 $sSQL .= ' WHERE '.join(' and ', $aTerms);
724 $sSQL .= ' ORDER BY '.join(', ', $aOrder);
725 $sSQL .= ' LIMIT '.$iLimit;
727 Debug::printSQL($sSQL);
729 $aDBResults = $oDB->getAll($sSQL, null, 'Could not get places for search terms.');
731 foreach ($aDBResults as $aResult) {
732 $oResult = new Result($aResult['place_id']);
733 $oResult->iExactMatches = $aResult['exactmatch'];
734 $oResult->iAddressRank = $aResult['address_rank'];
735 $aResults[$aResult['place_id']] = $oResult;
742 private function queryHouseNumber(&$oDB, $aRoadPlaceIDs)
745 $sPlaceIDs = Result::joinIdsByTable($aRoadPlaceIDs, Result::TABLE_PLACEX);
751 $sHouseNumberRegex = '\\\\m'.$this->sHouseNumber.'\\\\M';
752 $sSQL = 'SELECT place_id FROM placex ';
753 $sSQL .= 'WHERE parent_place_id in ('.$sPlaceIDs.')';
754 $sSQL .= " AND transliteration(housenumber) ~* E'".$sHouseNumberRegex."'";
755 $sSQL .= $this->oContext->excludeSQL(' AND place_id');
757 Debug::printSQL($sSQL);
759 // XXX should inherit the exactMatches from its parent
760 foreach ($oDB->getCol($sSQL) as $iPlaceId) {
761 $aResults[$iPlaceId] = new Result($iPlaceId);
764 $bIsIntHouseNumber= (bool) preg_match('/[0-9]+/', $this->sHouseNumber);
765 $iHousenumber = intval($this->sHouseNumber);
766 if ($bIsIntHouseNumber && empty($aResults)) {
767 // if nothing found, search in the interpolation line table
768 $sSQL = 'SELECT distinct place_id FROM location_property_osmline';
769 $sSQL .= ' WHERE startnumber is not NULL';
770 $sSQL .= ' AND parent_place_id in ('.$sPlaceIDs.') AND (';
771 if ($iHousenumber % 2 == 0) {
772 // If housenumber is even, look for housenumber in streets
773 // with interpolationtype even or all.
774 $sSQL .= "interpolationtype='even'";
776 // Else look for housenumber with interpolationtype odd or all.
777 $sSQL .= "interpolationtype='odd'";
779 $sSQL .= " or interpolationtype='all') and ";
780 $sSQL .= $iHousenumber.'>=startnumber and ';
781 $sSQL .= $iHousenumber.'<=endnumber';
782 $sSQL .= $this->oContext->excludeSQL(' AND place_id');
784 Debug::printSQL($sSQL);
786 foreach ($oDB->getCol($sSQL) as $iPlaceId) {
787 $oResult = new Result($iPlaceId, Result::TABLE_OSMLINE);
788 $oResult->iHouseNumber = $iHousenumber;
789 $aResults[$iPlaceId] = $oResult;
793 // If nothing found try the aux fallback table
794 if (CONST_Use_Aux_Location_data && empty($aResults)) {
795 $sSQL = 'SELECT place_id FROM location_property_aux';
796 $sSQL .= ' WHERE parent_place_id in ('.$sPlaceIDs.')';
797 $sSQL .= " AND housenumber = '".$this->sHouseNumber."'";
798 $sSQL .= $this->oContext->excludeSQL(' AND place_id');
800 Debug::printSQL($sSQL);
802 foreach ($oDB->getCol($sSQL) as $iPlaceId) {
803 $aResults[$iPlaceId] = new Result($iPlaceId, Result::TABLE_AUX);
807 // If nothing found then search in Tiger data (location_property_tiger)
808 if (CONST_Use_US_Tiger_Data && $bIsIntHouseNumber && empty($aResults)) {
809 $sSQL = 'SELECT place_id FROM location_property_tiger';
810 $sSQL .= ' WHERE parent_place_id in ('.$sPlaceIDs.') and (';
811 if ($iHousenumber % 2 == 0) {
812 $sSQL .= "interpolationtype='even'";
814 $sSQL .= "interpolationtype='odd'";
816 $sSQL .= " or interpolationtype='all') and ";
817 $sSQL .= $iHousenumber.'>=startnumber and ';
818 $sSQL .= $iHousenumber.'<=endnumber';
819 $sSQL .= $this->oContext->excludeSQL(' AND place_id');
821 Debug::printSQL($sSQL);
823 foreach ($oDB->getCol($sSQL) as $iPlaceId) {
824 $oResult = new Result($iPlaceId, Result::TABLE_TIGER);
825 $oResult->iHouseNumber = $iHousenumber;
826 $aResults[$iPlaceId] = $oResult;
834 private function queryPoiByOperator(&$oDB, $aParentIDs, $iLimit)
837 $sPlaceIDs = Result::joinIdsByTable($aParentIDs, Result::TABLE_PLACEX);
843 if ($this->iOperator == Operator::TYPE || $this->iOperator == Operator::NAME) {
844 // If they were searching for a named class (i.e. 'Kings Head pub')
845 // then we might have an extra match
846 $sSQL = 'SELECT place_id FROM placex ';
847 $sSQL .= " WHERE place_id in ($sPlaceIDs)";
848 $sSQL .= " AND class='".$this->sClass."' ";
849 $sSQL .= " AND type='".$this->sType."'";
850 $sSQL .= ' AND linked_place_id is null';
851 $sSQL .= $this->oContext->excludeSQL(' AND place_id');
852 $sSQL .= ' ORDER BY rank_search ASC ';
853 $sSQL .= " LIMIT $iLimit";
855 Debug::printSQL($sSQL);
857 foreach ($oDB->getCol($sSQL) as $iPlaceId) {
858 $aResults[$iPlaceId] = new Result($iPlaceId);
862 // NEAR and IN are handled the same
863 if ($this->iOperator == Operator::TYPE || $this->iOperator == Operator::NEAR) {
864 $sClassTable = $this->poiTable();
865 $bCacheTable = $oDB->tableExists($sClassTable);
867 $sSQL = "SELECT min(rank_search) FROM placex WHERE place_id in ($sPlaceIDs)";
868 Debug::printSQL($sSQL);
869 $iMaxRank = (int) $oDB->getOne($sSQL);
871 // For state / country level searches the normal radius search doesn't work very well
873 if ($iMaxRank < 9 && $bCacheTable) {
874 // Try and get a polygon to search in instead
875 $sSQL = 'SELECT geometry FROM placex';
876 $sSQL .= " WHERE place_id in ($sPlaceIDs)";
877 $sSQL .= " AND rank_search < $iMaxRank + 5";
878 $sSQL .= " AND ST_GeometryType(geometry) in ('ST_Polygon','ST_MultiPolygon')";
879 $sSQL .= ' ORDER BY rank_search ASC ';
881 Debug::printSQL($sSQL);
882 $sPlaceGeom = $oDB->getOne($sSQL);
889 $sSQL = 'SELECT place_id FROM placex';
890 $sSQL .= " WHERE place_id in ($sPlaceIDs) and rank_search < $iMaxRank";
891 Debug::printSQL($sSQL);
892 $aPlaceIDs = $oDB->getCol($sSQL);
893 $sPlaceIDs = join(',', $aPlaceIDs);
896 if ($sPlaceIDs || $sPlaceGeom) {
899 // More efficient - can make the range bigger
903 if ($this->oContext->hasNearPoint()) {
904 $sOrderBySQL = $this->oContext->distanceSQL('l.centroid');
905 } elseif ($sPlaceIDs) {
906 $sOrderBySQL = 'ST_Distance(l.centroid, f.geometry)';
907 } elseif ($sPlaceGeom) {
908 $sOrderBySQL = "ST_Distance(st_centroid('".$sPlaceGeom."'), l.centroid)";
911 $sSQL = 'SELECT distinct i.place_id';
913 $sSQL .= ', i.order_term';
915 $sSQL .= ' from (SELECT l.place_id';
917 $sSQL .= ','.$sOrderBySQL.' as order_term';
919 $sSQL .= ' from '.$sClassTable.' as l';
922 $sSQL .= ',placex as f WHERE ';
923 $sSQL .= "f.place_id in ($sPlaceIDs) ";
924 $sSQL .= " AND ST_DWithin(l.centroid, f.centroid, $fRange)";
925 } elseif ($sPlaceGeom) {
926 $sSQL .= " WHERE ST_Contains('$sPlaceGeom', l.centroid)";
929 $sSQL .= $this->oContext->excludeSQL(' AND l.place_id');
930 $sSQL .= 'limit 300) i ';
932 $sSQL .= 'order by order_term asc';
934 $sSQL .= " limit $iLimit";
936 Debug::printSQL($sSQL);
938 foreach ($oDB->getCol($sSQL) as $iPlaceId) {
939 $aResults[$iPlaceId] = new Result($iPlaceId);
942 if ($this->oContext->hasNearPoint()) {
943 $fRange = $this->oContext->nearRadius();
947 if ($this->oContext->hasNearPoint()) {
948 $sOrderBySQL = $this->oContext->distanceSQL('l.geometry');
950 $sOrderBySQL = 'ST_Distance(l.geometry, f.geometry)';
953 $sSQL = 'SELECT distinct l.place_id';
955 $sSQL .= ','.$sOrderBySQL.' as orderterm';
957 $sSQL .= ' FROM placex as l, placex as f';
958 $sSQL .= " WHERE f.place_id in ($sPlaceIDs)";
959 $sSQL .= " AND ST_DWithin(l.geometry, f.centroid, $fRange)";
960 $sSQL .= " AND l.class='".$this->sClass."'";
961 $sSQL .= " AND l.type='".$this->sType."'";
962 $sSQL .= $this->oContext->excludeSQL(' AND l.place_id');
964 $sSQL .= 'ORDER BY orderterm ASC';
966 $sSQL .= " limit $iLimit";
968 Debug::printSQL($sSQL);
970 foreach ($oDB->getCol($sSQL) as $iPlaceId) {
971 $aResults[$iPlaceId] = new Result($iPlaceId);
980 private function poiTable()
982 return 'place_classtype_'.$this->sClass.'_'.$this->sType;
985 private function countryCodeSQL($sVar)
987 if ($this->sCountryCode) {
988 return $sVar.' = \''.$this->sCountryCode."'";
990 if ($this->oContext->sqlCountryList) {
991 return $sVar.' in '.$this->oContext->sqlCountryList;
997 /////////// Sort functions
1000 public static function bySearchRank($a, $b)
1002 if ($a->iSearchRank == $b->iSearchRank) {
1003 return $a->iOperator + strlen($a->sHouseNumber)
1004 - $b->iOperator - strlen($b->sHouseNumber);
1007 return $a->iSearchRank < $b->iSearchRank ? -1 : 1;
1010 //////////// Debugging functions
1013 public function debugInfo()
1016 'Search rank' => $this->iSearchRank,
1017 'Country code' => $this->sCountryCode,
1018 'Name terms' => $this->aName,
1019 'Name terms (stop words)' => $this->aNameNonSearch,
1020 'Address terms' => $this->aAddress,
1021 'Address terms (stop words)' => $this->aAddressNonSearch,
1022 'Address terms (full words)' => $this->aFullNameAddress ?? '',
1023 'Special search' => $this->iOperator,
1024 'Class' => $this->sClass,
1025 'Type' => $this->sType,
1026 'House number' => $this->sHouseNumber,
1027 'Postcode' => $this->sPostcode
1031 public function dumpAsHtmlTableRow(&$aWordIDs)
1033 $kf = function ($k) use (&$aWordIDs) {
1034 return $aWordIDs[$k] ?? '['.$k.']';
1038 echo "<td>$this->iSearchRank</td>";
1039 echo '<td>'.join(', ', array_map($kf, $this->aName)).'</td>';
1040 echo '<td>'.join(', ', array_map($kf, $this->aNameNonSearch)).'</td>';
1041 echo '<td>'.join(', ', array_map($kf, $this->aAddress)).'</td>';
1042 echo '<td>'.join(', ', array_map($kf, $this->aAddressNonSearch)).'</td>';
1043 echo '<td>'.$this->sCountryCode.'</td>';
1044 echo '<td>'.Operator::toString($this->iOperator).'</td>';
1045 echo '<td>'.$this->sClass.'</td>';
1046 echo '<td>'.$this->sType.'</td>';
1047 echo '<td>'.$this->sPostcode.'</td>';
1048 echo '<td>'.$this->sHouseNumber.'</td>';