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 string $sPhraseType Type of phrase the token is contained in.
157 * @param bool $bFirstToken True if the token is at the beginning of the
159 * @param bool $bFirstPhrase True if the token is in the first phrase of
161 * @param bool $bLastToken True if the token is at the end of the query.
163 * @return SearchDescription[] List of derived search descriptions.
165 public function extendWithFullTerm($oSearchTerm, $sPhraseType, $bFirstToken, $bFirstPhrase, $bLastToken)
167 $aNewSearches = array();
169 if (($sPhraseType == '' || $sPhraseType == 'country')
170 && is_a($oSearchTerm, '\Nominatim\Token\Country')
172 if (!$this->sCountryCode) {
173 $oSearch = clone $this;
174 $oSearch->iSearchRank++;
175 $oSearch->sCountryCode = $oSearchTerm->sCountryCode;
176 // Country is almost always at the end of the string
177 // - increase score for finding it anywhere else (optimisation)
179 $oSearch->iSearchRank += 5;
180 $oSearch->iNamePhrase = -1;
182 $aNewSearches[] = $oSearch;
184 } elseif (($sPhraseType == '' || $sPhraseType == 'postalcode')
185 && is_a($oSearchTerm, '\Nominatim\Token\Postcode')
187 if (!$this->sPostcode) {
188 // If we have structured search or this is the first term,
189 // make the postcode the primary search element.
190 if ($this->iOperator == Operator::NONE && $bFirstToken) {
191 $oSearch = clone $this;
192 $oSearch->iSearchRank++;
193 $oSearch->iOperator = Operator::POSTCODE;
194 $oSearch->aAddress = array_merge($this->aAddress, $this->aName);
196 array($oSearchTerm->iId => $oSearchTerm->sPostcode);
197 $aNewSearches[] = $oSearch;
200 // If we have a structured search or this is not the first term,
201 // add the postcode as an addendum.
202 if ($this->iOperator != Operator::POSTCODE
203 && ($sPhraseType == 'postalcode' || !empty($this->aName))
205 $oSearch = clone $this;
206 $oSearch->iSearchRank++;
207 $oSearch->iNamePhrase = -1;
208 if (strlen($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 // sanity check: if the housenumber is not mainly made
220 // up of numbers, add a penalty
222 if (preg_match('/\\d/', $oSearchTerm->sToken) === 0
223 || preg_match_all('/[^0-9]/', $oSearchTerm->sToken, $aMatches) > 2) {
226 if ($this->iOperator != Operator::NONE) {
229 if (empty($oSearchTerm->iId)) {
232 // also must not appear in the middle of the address
233 if (!empty($this->aAddress)
234 || (!empty($this->aAddressNonSearch))
240 $oSearch = clone $this;
241 $oSearch->iSearchRank += $iSearchCost;
242 $oSearch->iNamePhrase = -1;
243 $oSearch->sHouseNumber = $oSearchTerm->sToken;
244 $aNewSearches[] = $oSearch;
246 // Housenumbers may appear in the name when the place has its own
248 if ($oSearchTerm->iId !== null
249 && ($this->iNamePhrase >= 0 || empty($this->aName))
250 && empty($this->aAddress)
252 $oSearch = clone $this;
253 $oSearch->iSearchRank += $iSearchCost;
254 $oSearch->aAddress = $this->aName;
255 $oSearch->bRareName = false;
256 $oSearch->aName = array($oSearchTerm->iId => $oSearchTerm->iId);
257 $aNewSearches[] = $oSearch;
260 } elseif ($sPhraseType == ''
261 && is_a($oSearchTerm, '\Nominatim\Token\SpecialTerm')
263 if ($this->iOperator == Operator::NONE) {
264 $oSearch = clone $this;
265 $oSearch->iSearchRank += 2;
266 $oSearch->iNamePhrase = -1;
268 $iOp = $oSearchTerm->iOperator;
269 if ($iOp == Operator::NONE) {
270 if (!empty($this->aName) || $this->oContext->isBoundedSearch()) {
271 $iOp = Operator::NAME;
273 $iOp = Operator::NEAR;
275 $oSearch->iSearchRank += 2;
276 } elseif (!$bFirstToken && !$bLastToken) {
277 $oSearch->iSearchRank += 2;
279 if ($this->sHouseNumber) {
280 $oSearch->iSearchRank++;
283 $oSearch->setPoiSearch(
285 $oSearchTerm->sClass,
288 $aNewSearches[] = $oSearch;
290 } elseif ($sPhraseType != 'country'
291 && is_a($oSearchTerm, '\Nominatim\Token\Word')
293 $iWordID = $oSearchTerm->iId;
294 // Full words can only be a name if they appear at the beginning
295 // of the phrase. In structured search the name must forcably in
296 // the first phrase. In unstructured search it may be in a later
297 // phrase when the first phrase is a house number.
298 if (!empty($this->aName) || !($bFirstPhrase || $sPhraseType == '')) {
299 if (($sPhraseType == '' || !$bFirstPhrase) && $oSearchTerm->iTermCount > 1) {
300 $oSearch = clone $this;
301 $oSearch->iNamePhrase = -1;
302 $oSearch->iSearchRank += 1;
303 $oSearch->aAddress[$iWordID] = $iWordID;
304 $aNewSearches[] = $oSearch;
306 } elseif (empty($this->aNameNonSearch)) {
307 $oSearch = clone $this;
308 $oSearch->iSearchRank++;
309 $oSearch->aName = array($iWordID => $iWordID);
310 if (CONST_Search_NameOnlySearchFrequencyThreshold) {
311 $oSearch->bRareName =
312 $oSearchTerm->iSearchNameCount
313 < CONST_Search_NameOnlySearchFrequencyThreshold;
315 $aNewSearches[] = $oSearch;
319 return $aNewSearches;
323 * Derive new searches by adding a partial term to the existing search.
325 * @param string $sToken Term for the token.
326 * @param object $oSearchTerm Description of the token.
327 * @param bool $bStructuredPhrases True if the search is structured.
328 * @param integer $iPhrase Number of the phrase the token is in.
329 * @param array[] $aFullTokens List of full term tokens with the
332 * @return SearchDescription[] List of derived search descriptions.
334 public function extendWithPartialTerm($sToken, $oSearchTerm, $bStructuredPhrases, $iPhrase, $aFullTokens)
336 // Only allow name terms.
337 if (!(is_a($oSearchTerm, '\Nominatim\Token\Word'))
338 || strpos($sToken, ' ') !== false
343 $aNewSearches = array();
344 $iWordID = $oSearchTerm->iId;
346 if ((!$bStructuredPhrases || $iPhrase > 0)
347 && (!empty($this->aName))
349 $oSearch = clone $this;
350 $oSearch->iSearchRank++;
351 if (preg_match('#^[0-9 ]+$#', $sToken)) {
352 $oSearch->iSearchRank++;
354 if ($oSearchTerm->iSearchNameCount < CONST_Max_Word_Frequency) {
355 $oSearch->aAddress[$iWordID] = $iWordID;
357 $oSearch->aAddressNonSearch[$iWordID] = $iWordID;
358 if (!empty($aFullTokens)) {
359 $oSearch->iSearchRank++;
362 $aNewSearches[] = $oSearch;
365 if ((!$this->sPostcode && !$this->aAddress && !$this->aAddressNonSearch)
366 && ((empty($this->aName) && empty($this->aNameNonSearch)) || $this->iNamePhrase == $iPhrase)
368 $oSearch = clone $this;
369 $oSearch->iSearchRank++;
370 if (empty($this->aName) && empty($this->aNameNonSearch)) {
371 $oSearch->iSearchRank++;
373 if (preg_match('#^[0-9 ]+$#', $sToken)) {
374 $oSearch->iSearchRank++;
376 if ($oSearchTerm->iSearchNameCount < CONST_Max_Word_Frequency) {
377 if (empty($this->aName)
378 && CONST_Search_NameOnlySearchFrequencyThreshold
380 $oSearch->bRareName =
381 $oSearchTerm->iSearchNameCount
382 < CONST_Search_NameOnlySearchFrequencyThreshold;
384 $oSearch->bRareName = false;
386 $oSearch->aName[$iWordID] = $iWordID;
388 if (!empty($aFullTokens)) {
389 $oSearch->iSearchRank++;
391 $oSearch->aNameNonSearch[$iWordID] = $iWordID;
393 $oSearch->iNamePhrase = $iPhrase;
394 $aNewSearches[] = $oSearch;
397 return $aNewSearches;
400 /////////// Query functions
404 * Query database for places that match this search.
406 * @param object $oDB Nominatim::DB instance to use.
407 * @param integer $iMinRank Minimum address rank to restrict search to.
408 * @param integer $iMaxRank Maximum address rank to restrict search to.
409 * @param integer $iLimit Maximum number of results.
411 * @return mixed[] An array with two fields: IDs contains the list of
412 * matching place IDs and houseNumber the houseNumber
413 * if appicable or -1 if not.
415 public function query(&$oDB, $iMinRank, $iMaxRank, $iLimit)
420 if ($this->sCountryCode
421 && empty($this->aName)
424 && !$this->oContext->hasNearPoint()
426 // Just looking for a country - look it up
427 if (4 >= $iMinRank && 4 <= $iMaxRank) {
428 $aResults = $this->queryCountry($oDB);
430 } elseif (empty($this->aName) && empty($this->aAddress)) {
431 // Neither name nor address? Then we must be
432 // looking for a POI in a geographic area.
433 if ($this->oContext->isBoundedSearch()) {
434 $aResults = $this->queryNearbyPoi($oDB, $iLimit);
436 } elseif ($this->iOperator == Operator::POSTCODE) {
437 // looking for postcode
438 $aResults = $this->queryPostcode($oDB, $iLimit);
441 // First search for places according to name and address.
442 $aResults = $this->queryNamedPlace(
449 // Now search for housenumber, if housenumber provided. Can be zero.
450 if (($this->sHouseNumber || $this->sHouseNumber === '0') && !empty($aResults)) {
451 $aHnResults = $this->queryHouseNumber($oDB, $aResults);
453 // Downgrade the rank of the street results, they are missing
454 // the housenumber. Also drop POI places (rank 30) here, they
455 // cannot be a parent place and therefore must not be shown
456 // as a result for a search with a missing housenumber.
457 foreach ($aResults as $oRes) {
458 if ($oRes->iAddressRank < 28) {
459 if ($oRes->iAddressRank >= 26) {
460 $oRes->iResultRank++;
462 $oRes->iResultRank += 2;
464 $aHnResults[$oRes->iId] = $oRes;
468 $aResults = $aHnResults;
471 // finally get POIs if requested
472 if ($this->sClass && !empty($aResults)) {
473 $aResults = $this->queryPoiByOperator($oDB, $aResults, $iLimit);
477 Debug::printDebugTable('Place IDs', $aResults);
479 if (!empty($aResults) && $this->sPostcode) {
480 $sPlaceIds = Result::joinIdsByTable($aResults, Result::TABLE_PLACEX);
482 $sSQL = 'SELECT place_id FROM placex';
483 $sSQL .= ' WHERE place_id in ('.$sPlaceIds.')';
484 $sSQL .= " AND postcode != '".$this->sPostcode."'";
485 Debug::printSQL($sSQL);
486 $aFilteredPlaceIDs = $oDB->getCol($sSQL);
487 if ($aFilteredPlaceIDs) {
488 foreach ($aFilteredPlaceIDs as $iPlaceId) {
489 $aResults[$iPlaceId]->iResultRank++;
499 private function queryCountry(&$oDB)
501 $sSQL = 'SELECT place_id FROM placex ';
502 $sSQL .= "WHERE country_code='".$this->sCountryCode."'";
503 $sSQL .= ' AND rank_search = 4';
504 if ($this->oContext->bViewboxBounded) {
505 $sSQL .= ' AND ST_Intersects('.$this->oContext->sqlViewboxSmall.', geometry)';
507 $sSQL .= ' ORDER BY st_area(geometry) DESC LIMIT 1';
509 Debug::printSQL($sSQL);
511 $iPlaceId = $oDB->getOne($sSQL);
515 $aResults[$iPlaceId] = new Result($iPlaceId);
521 private function queryNearbyPoi(&$oDB, $iLimit)
523 if (!$this->sClass) {
527 $aDBResults = array();
528 $sPoiTable = $this->poiTable();
530 if ($oDB->tableExists($sPoiTable)) {
531 $sSQL = 'SELECT place_id FROM '.$sPoiTable.' ct';
532 if ($this->oContext->sqlCountryList) {
533 $sSQL .= ' JOIN placex USING (place_id)';
535 if ($this->oContext->hasNearPoint()) {
536 $sSQL .= ' WHERE '.$this->oContext->withinSQL('ct.centroid');
537 } elseif ($this->oContext->bViewboxBounded) {
538 $sSQL .= ' WHERE ST_Contains('.$this->oContext->sqlViewboxSmall.', ct.centroid)';
540 if ($this->oContext->sqlCountryList) {
541 $sSQL .= ' AND country_code in '.$this->oContext->sqlCountryList;
543 $sSQL .= $this->oContext->excludeSQL(' AND place_id');
544 if ($this->oContext->sqlViewboxCentre) {
545 $sSQL .= ' ORDER BY ST_Distance(';
546 $sSQL .= $this->oContext->sqlViewboxCentre.', ct.centroid) ASC';
547 } elseif ($this->oContext->hasNearPoint()) {
548 $sSQL .= ' ORDER BY '.$this->oContext->distanceSQL('ct.centroid').' ASC';
550 $sSQL .= " LIMIT $iLimit";
551 Debug::printSQL($sSQL);
552 $aDBResults = $oDB->getCol($sSQL);
555 if ($this->oContext->hasNearPoint()) {
556 $sSQL = 'SELECT place_id FROM placex WHERE ';
557 $sSQL .= 'class = :class and type = :type';
558 $sSQL .= ' AND '.$this->oContext->withinSQL('geometry');
559 $sSQL .= ' AND linked_place_id is null';
560 if ($this->oContext->sqlCountryList) {
561 $sSQL .= ' AND country_code in '.$this->oContext->sqlCountryList;
563 $sSQL .= ' ORDER BY '.$this->oContext->distanceSQL('centroid').' ASC';
564 $sSQL .= " LIMIT $iLimit";
565 Debug::printSQL($sSQL);
566 $aDBResults = $oDB->getCol(
568 array(':class' => $this->sClass, ':type' => $this->sType)
573 foreach ($aDBResults as $iPlaceId) {
574 $aResults[$iPlaceId] = new Result($iPlaceId);
580 private function queryPostcode(&$oDB, $iLimit)
582 $sSQL = 'SELECT p.place_id FROM location_postcode p ';
584 if (!empty($this->aAddress)) {
585 $sSQL .= ', search_name s ';
586 $sSQL .= 'WHERE s.place_id = p.parent_place_id ';
587 $sSQL .= 'AND array_cat(s.nameaddress_vector, s.name_vector)';
588 $sSQL .= ' @> '.$oDB->getArraySQL($this->aAddress).' AND ';
593 $sSQL .= "p.postcode = '".reset($this->aName)."'";
594 $sSQL .= $this->countryCodeSQL(' AND p.country_code');
595 if ($this->oContext->bViewboxBounded) {
596 $sSQL .= ' AND ST_Intersects('.$this->oContext->sqlViewboxSmall.', geometry)';
598 $sSQL .= $this->oContext->excludeSQL(' AND p.place_id');
599 $sSQL .= " LIMIT $iLimit";
601 Debug::printSQL($sSQL);
604 foreach ($oDB->getCol($sSQL) as $iPlaceId) {
605 $aResults[$iPlaceId] = new Result($iPlaceId, Result::TABLE_POSTCODE);
611 private function queryNamedPlace(&$oDB, $iMinAddressRank, $iMaxAddressRank, $iLimit)
616 // Sort by existence of the requested house number but only if not
617 // too many results are expected for the street, i.e. if the result
618 // will be narrowed down by an address. Remeber that with ordering
619 // every single result has to be checked.
620 if ($this->sHouseNumber && ($this->bRareName || !empty($this->aAddress) || $this->sPostcode)) {
621 $sHouseNumberRegex = '\\\\m'.$this->sHouseNumber.'\\\\M';
623 $aOrder[0] .= 'EXISTS(';
624 $aOrder[0] .= ' SELECT place_id';
625 $aOrder[0] .= ' FROM placex';
626 $aOrder[0] .= ' WHERE parent_place_id = search_name.place_id';
627 $aOrder[0] .= " AND housenumber ~* E'".$sHouseNumberRegex."'";
628 $aOrder[0] .= ' LIMIT 1';
630 // also housenumbers from interpolation lines table are needed
631 if (preg_match('/[0-9]+/', $this->sHouseNumber)) {
632 $iHouseNumber = intval($this->sHouseNumber);
633 $aOrder[0] .= 'OR EXISTS(';
634 $aOrder[0] .= ' SELECT place_id ';
635 $aOrder[0] .= ' FROM location_property_osmline ';
636 $aOrder[0] .= ' WHERE parent_place_id = search_name.place_id';
637 $aOrder[0] .= ' AND startnumber is not NULL';
638 $aOrder[0] .= ' AND '.$iHouseNumber.'>=startnumber ';
639 $aOrder[0] .= ' AND '.$iHouseNumber.'<=endnumber ';
640 $aOrder[0] .= ' LIMIT 1';
643 $aOrder[0] .= ') DESC';
646 if (!empty($this->aName)) {
647 $aTerms[] = 'name_vector @> '.$oDB->getArraySQL($this->aName);
649 if (!empty($this->aAddress)) {
650 // For infrequent name terms disable index usage for address
651 if ($this->bRareName) {
652 $aTerms[] = 'array_cat(nameaddress_vector,ARRAY[]::integer[]) @> '.$oDB->getArraySQL($this->aAddress);
654 $aTerms[] = 'nameaddress_vector @> '.$oDB->getArraySQL($this->aAddress);
658 $sCountryTerm = $this->countryCodeSQL('country_code');
660 $aTerms[] = $sCountryTerm;
663 if ($this->sHouseNumber) {
664 $aTerms[] = 'address_rank between 16 and 30';
665 } elseif (!$this->sClass || $this->iOperator == Operator::NAME) {
666 if ($iMinAddressRank > 0) {
667 $aTerms[] = "((address_rank between $iMinAddressRank and $iMaxAddressRank) or (search_rank between $iMinAddressRank and $iMaxAddressRank))";
671 if ($this->oContext->hasNearPoint()) {
672 $aTerms[] = $this->oContext->withinSQL('centroid');
673 $aOrder[] = $this->oContext->distanceSQL('centroid');
674 } elseif ($this->sPostcode) {
675 if (empty($this->aAddress)) {
676 $aTerms[] = "EXISTS(SELECT place_id FROM location_postcode p WHERE p.postcode = '".$this->sPostcode."' AND ST_DWithin(search_name.centroid, p.geometry, 0.1))";
678 $aOrder[] = "(SELECT min(ST_Distance(search_name.centroid, p.geometry)) FROM location_postcode p WHERE p.postcode = '".$this->sPostcode."')";
682 $sExcludeSQL = $this->oContext->excludeSQL('place_id');
684 $aTerms[] = $sExcludeSQL;
687 if ($this->oContext->bViewboxBounded) {
688 $aTerms[] = 'centroid && '.$this->oContext->sqlViewboxSmall;
691 if ($this->oContext->hasNearPoint()) {
692 $aOrder[] = $this->oContext->distanceSQL('centroid');
695 if ($this->sHouseNumber) {
696 $sImportanceSQL = '- abs(26 - address_rank) + 3';
698 $sImportanceSQL = '(CASE WHEN importance = 0 OR importance IS NULL THEN 0.75001-(search_rank::float/40) ELSE importance END)';
700 $sImportanceSQL .= $this->oContext->viewboxImportanceSQL('centroid');
701 $aOrder[] = "$sImportanceSQL DESC";
703 $aFullNameAddress = $this->oContext->getFullNameTerms();
704 if (!empty($aFullNameAddress)) {
705 $sExactMatchSQL = ' ( ';
706 $sExactMatchSQL .= ' SELECT count(*) FROM ( ';
707 $sExactMatchSQL .= ' SELECT unnest('.$oDB->getArraySQL($aFullNameAddress).')';
708 $sExactMatchSQL .= ' INTERSECT ';
709 $sExactMatchSQL .= ' SELECT unnest(nameaddress_vector)';
710 $sExactMatchSQL .= ' ) s';
711 $sExactMatchSQL .= ') as exactmatch';
712 $aOrder[] = 'exactmatch DESC';
714 $sExactMatchSQL = '0::int as exactmatch';
717 if ($this->sHouseNumber || $this->sClass) {
723 if (!empty($aTerms)) {
724 $sSQL = 'SELECT place_id, address_rank,'.$sExactMatchSQL;
725 $sSQL .= ' FROM search_name';
726 $sSQL .= ' WHERE '.join(' and ', $aTerms);
727 $sSQL .= ' ORDER BY '.join(', ', $aOrder);
728 $sSQL .= ' LIMIT '.$iLimit;
730 Debug::printSQL($sSQL);
732 $aDBResults = $oDB->getAll($sSQL, null, 'Could not get places for search terms.');
734 foreach ($aDBResults as $aResult) {
735 $oResult = new Result($aResult['place_id']);
736 $oResult->iExactMatches = $aResult['exactmatch'];
737 $oResult->iAddressRank = $aResult['address_rank'];
738 $aResults[$aResult['place_id']] = $oResult;
745 private function queryHouseNumber(&$oDB, $aRoadPlaceIDs)
748 $sRoadPlaceIDs = Result::joinIdsByTableMaxRank(
750 Result::TABLE_PLACEX,
753 $sPOIPlaceIDs = Result::joinIdsByTableMinRank(
755 Result::TABLE_PLACEX,
759 $aIDCondition = array();
760 if ($sRoadPlaceIDs) {
761 $aIDCondition[] = 'parent_place_id in ('.$sRoadPlaceIDs.')';
764 $aIDCondition[] = 'place_id in ('.$sPOIPlaceIDs.')';
767 if (empty($aIDCondition)) {
771 $sHouseNumberRegex = '\\\\m'.$this->sHouseNumber.'\\\\M';
772 $sSQL = 'SELECT place_id FROM placex WHERE';
773 $sSQL .= " housenumber ~* E'".$sHouseNumberRegex."'";
774 $sSQL .= ' AND ('.join(' OR ', $aIDCondition).')';
775 $sSQL .= $this->oContext->excludeSQL(' AND place_id');
777 Debug::printSQL($sSQL);
779 // XXX should inherit the exactMatches from its parent
780 foreach ($oDB->getCol($sSQL) as $iPlaceId) {
781 $aResults[$iPlaceId] = new Result($iPlaceId);
784 $bIsIntHouseNumber= (bool) preg_match('/[0-9]+/', $this->sHouseNumber);
785 $iHousenumber = intval($this->sHouseNumber);
786 if ($bIsIntHouseNumber && $sRoadPlaceIDs && empty($aResults)) {
787 // if nothing found, search in the interpolation line table
788 $sSQL = 'SELECT distinct place_id FROM location_property_osmline';
789 $sSQL .= ' WHERE startnumber is not NULL';
790 $sSQL .= ' AND parent_place_id in ('.$sRoadPlaceIDs.') AND (';
791 if ($iHousenumber % 2 == 0) {
792 // If housenumber is even, look for housenumber in streets
793 // with interpolationtype even or all.
794 $sSQL .= "interpolationtype='even'";
796 // Else look for housenumber with interpolationtype odd or all.
797 $sSQL .= "interpolationtype='odd'";
799 $sSQL .= " or interpolationtype='all') and ";
800 $sSQL .= $iHousenumber.'>=startnumber and ';
801 $sSQL .= $iHousenumber.'<=endnumber';
802 $sSQL .= $this->oContext->excludeSQL(' AND place_id');
804 Debug::printSQL($sSQL);
806 foreach ($oDB->getCol($sSQL) as $iPlaceId) {
807 $oResult = new Result($iPlaceId, Result::TABLE_OSMLINE);
808 $oResult->iHouseNumber = $iHousenumber;
809 $aResults[$iPlaceId] = $oResult;
813 // If nothing found then search in Tiger data (location_property_tiger)
814 if (CONST_Use_US_Tiger_Data && $sRoadPlaceIDs && $bIsIntHouseNumber && empty($aResults)) {
815 $sSQL = 'SELECT place_id FROM location_property_tiger';
816 $sSQL .= ' WHERE parent_place_id in ('.$sRoadPlaceIDs.') and (';
817 if ($iHousenumber % 2 == 0) {
818 $sSQL .= "interpolationtype='even'";
820 $sSQL .= "interpolationtype='odd'";
822 $sSQL .= " or interpolationtype='all') and ";
823 $sSQL .= $iHousenumber.'>=startnumber and ';
824 $sSQL .= $iHousenumber.'<=endnumber';
825 $sSQL .= $this->oContext->excludeSQL(' AND place_id');
827 Debug::printSQL($sSQL);
829 foreach ($oDB->getCol($sSQL) as $iPlaceId) {
830 $oResult = new Result($iPlaceId, Result::TABLE_TIGER);
831 $oResult->iHouseNumber = $iHousenumber;
832 $aResults[$iPlaceId] = $oResult;
840 private function queryPoiByOperator(&$oDB, $aParentIDs, $iLimit)
843 $sPlaceIDs = Result::joinIdsByTable($aParentIDs, Result::TABLE_PLACEX);
849 if ($this->iOperator == Operator::TYPE || $this->iOperator == Operator::NAME) {
850 // If they were searching for a named class (i.e. 'Kings Head pub')
851 // then we might have an extra match
852 $sSQL = 'SELECT place_id FROM placex ';
853 $sSQL .= " WHERE place_id in ($sPlaceIDs)";
854 $sSQL .= " AND class='".$this->sClass."' ";
855 $sSQL .= " AND type='".$this->sType."'";
856 $sSQL .= ' AND linked_place_id is null';
857 $sSQL .= $this->oContext->excludeSQL(' AND place_id');
858 $sSQL .= ' ORDER BY rank_search ASC ';
859 $sSQL .= " LIMIT $iLimit";
861 Debug::printSQL($sSQL);
863 foreach ($oDB->getCol($sSQL) as $iPlaceId) {
864 $aResults[$iPlaceId] = new Result($iPlaceId);
868 // NEAR and IN are handled the same
869 if ($this->iOperator == Operator::TYPE || $this->iOperator == Operator::NEAR) {
870 $sClassTable = $this->poiTable();
871 $bCacheTable = $oDB->tableExists($sClassTable);
873 $sSQL = "SELECT min(rank_search) FROM placex WHERE place_id in ($sPlaceIDs)";
874 Debug::printSQL($sSQL);
875 $iMaxRank = (int) $oDB->getOne($sSQL);
877 // For state / country level searches the normal radius search doesn't work very well
879 if ($iMaxRank < 9 && $bCacheTable) {
880 // Try and get a polygon to search in instead
881 $sSQL = 'SELECT geometry FROM placex';
882 $sSQL .= " WHERE place_id in ($sPlaceIDs)";
883 $sSQL .= " AND rank_search < $iMaxRank + 5";
884 $sSQL .= " AND ST_GeometryType(geometry) in ('ST_Polygon','ST_MultiPolygon')";
885 $sSQL .= ' ORDER BY rank_search ASC ';
887 Debug::printSQL($sSQL);
888 $sPlaceGeom = $oDB->getOne($sSQL);
895 $sSQL = 'SELECT place_id FROM placex';
896 $sSQL .= " WHERE place_id in ($sPlaceIDs) and rank_search < $iMaxRank";
897 Debug::printSQL($sSQL);
898 $aPlaceIDs = $oDB->getCol($sSQL);
899 $sPlaceIDs = join(',', $aPlaceIDs);
902 if ($sPlaceIDs || $sPlaceGeom) {
905 // More efficient - can make the range bigger
909 if ($this->oContext->hasNearPoint()) {
910 $sOrderBySQL = $this->oContext->distanceSQL('l.centroid');
911 } elseif ($sPlaceIDs) {
912 $sOrderBySQL = 'ST_Distance(l.centroid, f.geometry)';
913 } elseif ($sPlaceGeom) {
914 $sOrderBySQL = "ST_Distance(st_centroid('".$sPlaceGeom."'), l.centroid)";
917 $sSQL = 'SELECT distinct i.place_id';
919 $sSQL .= ', i.order_term';
921 $sSQL .= ' from (SELECT l.place_id';
923 $sSQL .= ','.$sOrderBySQL.' as order_term';
925 $sSQL .= ' from '.$sClassTable.' as l';
928 $sSQL .= ',placex as f WHERE ';
929 $sSQL .= "f.place_id in ($sPlaceIDs) ";
930 $sSQL .= " AND ST_DWithin(l.centroid, f.centroid, $fRange)";
931 } elseif ($sPlaceGeom) {
932 $sSQL .= " WHERE ST_Contains('$sPlaceGeom', l.centroid)";
935 $sSQL .= $this->oContext->excludeSQL(' AND l.place_id');
936 $sSQL .= 'limit 300) i ';
938 $sSQL .= 'order by order_term asc';
940 $sSQL .= " limit $iLimit";
942 Debug::printSQL($sSQL);
944 foreach ($oDB->getCol($sSQL) as $iPlaceId) {
945 $aResults[$iPlaceId] = new Result($iPlaceId);
948 if ($this->oContext->hasNearPoint()) {
949 $fRange = $this->oContext->nearRadius();
953 if ($this->oContext->hasNearPoint()) {
954 $sOrderBySQL = $this->oContext->distanceSQL('l.geometry');
956 $sOrderBySQL = 'ST_Distance(l.geometry, f.geometry)';
959 $sSQL = 'SELECT distinct l.place_id';
961 $sSQL .= ','.$sOrderBySQL.' as orderterm';
963 $sSQL .= ' FROM placex as l, placex as f';
964 $sSQL .= " WHERE f.place_id in ($sPlaceIDs)";
965 $sSQL .= " AND ST_DWithin(l.geometry, f.centroid, $fRange)";
966 $sSQL .= " AND l.class='".$this->sClass."'";
967 $sSQL .= " AND l.type='".$this->sType."'";
968 $sSQL .= $this->oContext->excludeSQL(' AND l.place_id');
970 $sSQL .= 'ORDER BY orderterm ASC';
972 $sSQL .= " limit $iLimit";
974 Debug::printSQL($sSQL);
976 foreach ($oDB->getCol($sSQL) as $iPlaceId) {
977 $aResults[$iPlaceId] = new Result($iPlaceId);
986 private function poiTable()
988 return 'place_classtype_'.$this->sClass.'_'.$this->sType;
991 private function countryCodeSQL($sVar)
993 if ($this->sCountryCode) {
994 return $sVar.' = \''.$this->sCountryCode."'";
996 if ($this->oContext->sqlCountryList) {
997 return $sVar.' in '.$this->oContext->sqlCountryList;
1003 /////////// Sort functions
1006 public static function bySearchRank($a, $b)
1008 if ($a->iSearchRank == $b->iSearchRank) {
1009 return $a->iOperator + strlen($a->sHouseNumber)
1010 - $b->iOperator - strlen($b->sHouseNumber);
1013 return $a->iSearchRank < $b->iSearchRank ? -1 : 1;
1016 //////////// Debugging functions
1019 public function debugInfo()
1022 'Search rank' => $this->iSearchRank,
1023 'Country code' => $this->sCountryCode,
1024 'Name terms' => $this->aName,
1025 'Name terms (stop words)' => $this->aNameNonSearch,
1026 'Address terms' => $this->aAddress,
1027 'Address terms (stop words)' => $this->aAddressNonSearch,
1028 'Address terms (full words)' => $this->aFullNameAddress ?? '',
1029 'Special search' => $this->iOperator,
1030 'Class' => $this->sClass,
1031 'Type' => $this->sType,
1032 'House number' => $this->sHouseNumber,
1033 'Postcode' => $this->sPostcode
1037 public function dumpAsHtmlTableRow(&$aWordIDs)
1039 $kf = function ($k) use (&$aWordIDs) {
1040 return $aWordIDs[$k] ?? '['.$k.']';
1044 echo "<td>$this->iSearchRank</td>";
1045 echo '<td>'.join(', ', array_map($kf, $this->aName)).'</td>';
1046 echo '<td>'.join(', ', array_map($kf, $this->aNameNonSearch)).'</td>';
1047 echo '<td>'.join(', ', array_map($kf, $this->aAddress)).'</td>';
1048 echo '<td>'.join(', ', array_map($kf, $this->aAddressNonSearch)).'</td>';
1049 echo '<td>'.$this->sCountryCode.'</td>';
1050 echo '<td>'.Operator::toString($this->iOperator).'</td>';
1051 echo '<td>'.$this->sClass.'</td>';
1052 echo '<td>'.$this->sType.'</td>';
1053 echo '<td>'.$this->sPostcode.'</td>';
1054 echo '<td>'.$this->sHouseNumber.'</td>';