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 /// True if the name requires to be accompanied by address terms.
23 private $bNameNeedsAddress = false;
24 /// List of word ids making up the address of the object.
25 private $aAddress = array();
26 /// List of word ids that appear in the name but should be ignored.
27 private $aNameNonSearch = array();
28 /// List of word ids that appear in the address but should be ignored.
29 private $aAddressNonSearch = array();
30 /// Kind of search for special searches, see Nominatim::Operator.
31 private $iOperator = Operator::NONE;
32 /// Class of special feature to search for.
34 /// Type of special feature to search for.
36 /// Housenumber of the object.
37 private $sHouseNumber = '';
38 /// Postcode for the object.
39 private $sPostcode = '';
40 /// Global search constraints.
43 // Temporary values used while creating the search description.
45 /// Index of phrase currently processed.
46 private $iNamePhrase = -1;
49 * Create an empty search description.
51 * @param object $oContext Global context to use. Will be inherited by
52 * all derived search objects.
54 public function __construct($oContext)
56 $this->oContext = $oContext;
60 * Get current search rank.
62 * The higher the search rank the lower the likelihood that the
63 * search is a correct interpretation of the search query.
65 * @return integer Search rank.
67 public function getRank()
69 return $this->iSearchRank;
73 * Extract key/value pairs from a query.
75 * Key/value pairs are recognised if they are of the form [<key>=<value>].
76 * If multiple terms of this kind are found then all terms are removed
77 * but only the first is used for search.
79 * @param string $sQuery Original query string.
81 * @return string The query string with the special search patterns removed.
83 public function extractKeyValuePairs($sQuery)
85 // Search for terms of kind [<key>=<value>].
87 '/\\[([\\w_]*)=([\\w_]*)\\]/',
93 foreach ($aSpecialTermsRaw as $aTerm) {
94 $sQuery = str_replace($aTerm[0], ' ', $sQuery);
95 if (!$this->hasOperator()) {
96 $this->setPoiSearch(Operator::TYPE, $aTerm[1], $aTerm[2]);
104 * Check if the combination of parameters is sensible.
106 * @return bool True, if the search looks valid.
108 public function isValidSearch()
110 if (empty($this->aName)) {
111 if ($this->sHouseNumber) {
114 if (!$this->sClass && !$this->sCountryCode) {
118 if ($this->bNameNeedsAddress && empty($this->aAddress)) {
125 /////////// Search building functions
128 * Create a copy of this search description adding to search rank.
130 * @param integer $iTermCost Cost to add to the current search rank.
132 * @return object Cloned search description.
134 public function clone($iTermCost)
136 $oSearch = clone $this;
137 $oSearch->iSearchRank += $iTermCost;
143 * Check if the search currently includes a name.
145 * @param bool bIncludeNonNames If true stop-word tokens are taken into
148 * @return bool True, if search has a name.
150 public function hasName($bIncludeNonNames = false)
152 return !empty($this->aName)
153 || (!empty($this->aNameNonSearch) && $bIncludeNonNames);
157 * Check if the search currently includes an address term.
159 * @return bool True, if any address term is included, including stop-word
162 public function hasAddress()
164 return !empty($this->aAddress) || !empty($this->aAddressNonSearch);
168 * Check if a country restriction is currently included in the search.
170 * @return bool True, if a country restriction is set.
172 public function hasCountry()
174 return $this->sCountryCode !== '';
178 * Check if a postcode is currently included in the search.
180 * @return bool True, if a postcode is set.
182 public function hasPostcode()
184 return $this->sPostcode !== '';
188 * Check if a house number is set for the search.
190 * @return bool True, if a house number is set.
192 public function hasHousenumber()
194 return $this->sHouseNumber !== '';
198 * Check if a special type of place is requested.
200 * param integer iOperator When set, check for the particular
201 * operator used for the special type.
203 * @return bool True, if speial type is requested or, if requested,
204 * a special type with the given operator.
206 public function hasOperator($iOperator = null)
208 return $iOperator === null ? $this->iOperator != Operator::NONE : $this->iOperator == $iOperator;
212 * Add the given token to the list of terms to search for in the address.
214 * @param integer iID ID of term to add.
215 * @param bool bSearchable Term should be used to search for result
216 * (i.e. term is not a stop word).
218 public function addAddressToken($iId, $bSearchable = true)
221 $this->aAddress[$iId] = $iId;
223 $this->aAddressNonSearch[$iId] = $iId;
228 * Add the given full-word token to the list of terms to search for in the
231 * @param interger iId ID of term to add.
232 * @param bool bRareName True if the term is infrequent enough to not
233 * require other constraints for efficient search.
235 public function addNameToken($iId, $bRareName)
237 $this->aName[$iId] = $iId;
238 $this->bRareName = $bRareName;
239 $this->bNameNeedsAddress = false;
243 * Add the given partial token to the list of terms to search for in
246 * @param integer iID ID of term to add.
247 * @param bool bSearchable Term should be used to search for result
248 * (i.e. term is not a stop word).
249 * @param bool bNeedsAddress True if the term is too unspecific to be used
250 * in a stand-alone search without an address
251 * to narrow down the search.
252 * @param integer iPhraseNumber Index of phrase, where the partial term
255 public function addPartialNameToken($iId, $bSearchable, $bNeedsAddress, $iPhraseNumber)
257 if (empty($this->aName)) {
258 $this->bNameNeedsAddress = $bNeedsAddress;
260 $this->bNameNeedsAddress |= $bNeedsAddress;
263 $this->aName[$iId] = $iId;
265 $this->aNameNonSearch[$iId] = $iId;
267 $this->iNamePhrase = $iPhraseNumber;
271 * Set country restriction for the search.
273 * @param string sCountryCode Country code of country to restrict search to.
275 public function setCountry($sCountryCode)
277 $this->sCountryCode = $sCountryCode;
278 $this->iNamePhrase = -1;
282 * Set postcode search constraint.
284 * @param string sPostcode Postcode the result should have.
286 public function setPostcode($sPostcode)
288 $this->sPostcode = $sPostcode;
289 $this->iNamePhrase = -1;
293 * Make this search a search for a postcode object.
295 * @param integer iId Token Id for the postcode.
296 * @param string sPostcode Postcode to look for.
298 public function setPostcodeAsName($iId, $sPostcode)
300 $this->iOperator = Operator::POSTCODE;
301 $this->aAddress = array_merge($this->aAddress, $this->aName);
302 $this->aName = array($iId => $sPostcode);
303 $this->bRareName = true;
304 $this->iNamePhrase = -1;
308 * Set house number search cnstraint.
310 * @param string sNumber House number the result should have.
312 public function setHousenumber($sNumber)
314 $this->sHouseNumber = $sNumber;
315 $this->iNamePhrase = -1;
319 * Make this search a search for a house number.
321 * @param integer iId Token Id for the house number.
323 public function setHousenumberAsName($iId)
325 $this->aAddress = array_merge($this->aAddress, $this->aName);
326 $this->bRareName = false;
327 $this->bNameNeedsAddress = true;
328 $this->aName = array($iId => $iId);
329 $this->iNamePhrase = -1;
333 * Make this search a POI search.
335 * In a POI search, objects are not (only) searched by their name
336 * but also by the primary OSM key/value pair (class and type in Nominatim).
338 * @param integer $iOperator Type of POI search
339 * @param string $sClass Class (or OSM tag key) of POI.
340 * @param string $sType Type (or OSM tag value) of POI.
344 public function setPoiSearch($iOperator, $sClass, $sType)
346 $this->iOperator = $iOperator;
347 $this->sClass = $sClass;
348 $this->sType = $sType;
349 $this->iNamePhrase = -1;
352 public function getNamePhrase()
354 return $this->iNamePhrase;
358 * Get the global search context.
360 * @return object Objects of global search constraints.
362 public function getContext()
364 return $this->oContext;
367 /////////// Query functions
371 * Query database for places that match this search.
373 * @param object $oDB Nominatim::DB instance to use.
374 * @param integer $iMinRank Minimum address rank to restrict search to.
375 * @param integer $iMaxRank Maximum address rank to restrict search to.
376 * @param integer $iLimit Maximum number of results.
378 * @return mixed[] An array with two fields: IDs contains the list of
379 * matching place IDs and houseNumber the houseNumber
380 * if appicable or -1 if not.
382 public function query(&$oDB, $iMinRank, $iMaxRank, $iLimit)
386 if ($this->sCountryCode
387 && empty($this->aName)
390 && !$this->oContext->hasNearPoint()
392 // Just looking for a country - look it up
393 if (4 >= $iMinRank && 4 <= $iMaxRank) {
394 $aResults = $this->queryCountry($oDB);
396 } elseif (empty($this->aName) && empty($this->aAddress)) {
397 // Neither name nor address? Then we must be
398 // looking for a POI in a geographic area.
399 if ($this->oContext->isBoundedSearch()) {
400 $aResults = $this->queryNearbyPoi($oDB, $iLimit);
402 } elseif ($this->iOperator == Operator::POSTCODE) {
403 // looking for postcode
404 $aResults = $this->queryPostcode($oDB, $iLimit);
407 // First search for places according to name and address.
408 $aResults = $this->queryNamedPlace(
415 // Now search for housenumber, if housenumber provided. Can be zero.
416 if (($this->sHouseNumber || $this->sHouseNumber === '0') && !empty($aResults)) {
417 $aHnResults = $this->queryHouseNumber($oDB, $aResults);
419 // Downgrade the rank of the street results, they are missing
420 // the housenumber. Also drop POI places (rank 30) here, they
421 // cannot be a parent place and therefore must not be shown
422 // as a result for a search with a missing housenumber.
423 foreach ($aResults as $oRes) {
424 if ($oRes->iAddressRank < 28) {
425 if ($oRes->iAddressRank >= 26) {
426 $oRes->iResultRank++;
428 $oRes->iResultRank += 2;
430 $aHnResults[$oRes->iId] = $oRes;
434 $aResults = $aHnResults;
437 // finally get POIs if requested
438 if ($this->sClass && !empty($aResults)) {
439 $aResults = $this->queryPoiByOperator($oDB, $aResults, $iLimit);
443 Debug::printDebugTable('Place IDs', $aResults);
445 if (!empty($aResults) && $this->sPostcode) {
446 $sPlaceIds = Result::joinIdsByTable($aResults, Result::TABLE_PLACEX);
448 $sSQL = 'SELECT place_id FROM placex';
449 $sSQL .= ' WHERE place_id in ('.$sPlaceIds.')';
450 $sSQL .= " AND postcode != '".$this->sPostcode."'";
451 Debug::printSQL($sSQL);
452 $aFilteredPlaceIDs = $oDB->getCol($sSQL);
453 if ($aFilteredPlaceIDs) {
454 foreach ($aFilteredPlaceIDs as $iPlaceId) {
455 $aResults[$iPlaceId]->iResultRank++;
465 private function queryCountry(&$oDB)
467 $sSQL = 'SELECT place_id FROM placex ';
468 $sSQL .= "WHERE country_code='".$this->sCountryCode."'";
469 $sSQL .= ' AND rank_search = 4';
470 if ($this->oContext->bViewboxBounded) {
471 $sSQL .= ' AND ST_Intersects('.$this->oContext->sqlViewboxSmall.', geometry)';
473 $sSQL .= ' ORDER BY st_area(geometry) DESC LIMIT 1';
475 Debug::printSQL($sSQL);
477 $iPlaceId = $oDB->getOne($sSQL);
481 $aResults[$iPlaceId] = new Result($iPlaceId);
487 private function queryNearbyPoi(&$oDB, $iLimit)
489 if (!$this->sClass) {
493 $aDBResults = array();
494 $sPoiTable = $this->poiTable();
496 if ($oDB->tableExists($sPoiTable)) {
497 $sSQL = 'SELECT place_id FROM '.$sPoiTable.' ct';
498 if ($this->oContext->sqlCountryList) {
499 $sSQL .= ' JOIN placex USING (place_id)';
501 if ($this->oContext->hasNearPoint()) {
502 $sSQL .= ' WHERE '.$this->oContext->withinSQL('ct.centroid');
503 } elseif ($this->oContext->bViewboxBounded) {
504 $sSQL .= ' WHERE ST_Contains('.$this->oContext->sqlViewboxSmall.', ct.centroid)';
506 if ($this->oContext->sqlCountryList) {
507 $sSQL .= ' AND country_code in '.$this->oContext->sqlCountryList;
509 $sSQL .= $this->oContext->excludeSQL(' AND place_id');
510 if ($this->oContext->sqlViewboxCentre) {
511 $sSQL .= ' ORDER BY ST_Distance(';
512 $sSQL .= $this->oContext->sqlViewboxCentre.', ct.centroid) ASC';
513 } elseif ($this->oContext->hasNearPoint()) {
514 $sSQL .= ' ORDER BY '.$this->oContext->distanceSQL('ct.centroid').' ASC';
516 $sSQL .= " LIMIT $iLimit";
517 Debug::printSQL($sSQL);
518 $aDBResults = $oDB->getCol($sSQL);
521 if ($this->oContext->hasNearPoint()) {
522 $sSQL = 'SELECT place_id FROM placex WHERE ';
523 $sSQL .= 'class = :class and type = :type';
524 $sSQL .= ' AND '.$this->oContext->withinSQL('geometry');
525 $sSQL .= ' AND linked_place_id is null';
526 if ($this->oContext->sqlCountryList) {
527 $sSQL .= ' AND country_code in '.$this->oContext->sqlCountryList;
529 $sSQL .= ' ORDER BY '.$this->oContext->distanceSQL('centroid').' ASC';
530 $sSQL .= " LIMIT $iLimit";
531 Debug::printSQL($sSQL);
532 $aDBResults = $oDB->getCol(
534 array(':class' => $this->sClass, ':type' => $this->sType)
539 foreach ($aDBResults as $iPlaceId) {
540 $aResults[$iPlaceId] = new Result($iPlaceId);
546 private function queryPostcode(&$oDB, $iLimit)
548 $sSQL = 'SELECT p.place_id FROM location_postcode p ';
550 if (!empty($this->aAddress)) {
551 $sSQL .= ', search_name s ';
552 $sSQL .= 'WHERE s.place_id = p.parent_place_id ';
553 $sSQL .= 'AND array_cat(s.nameaddress_vector, s.name_vector)';
554 $sSQL .= ' @> '.$oDB->getArraySQL($this->aAddress).' AND ';
559 $sSQL .= "p.postcode = '".reset($this->aName)."'";
560 $sSQL .= $this->countryCodeSQL(' AND p.country_code');
561 if ($this->oContext->bViewboxBounded) {
562 $sSQL .= ' AND ST_Intersects('.$this->oContext->sqlViewboxSmall.', geometry)';
564 $sSQL .= $this->oContext->excludeSQL(' AND p.place_id');
565 $sSQL .= " LIMIT $iLimit";
567 Debug::printSQL($sSQL);
570 foreach ($oDB->getCol($sSQL) as $iPlaceId) {
571 $aResults[$iPlaceId] = new Result($iPlaceId, Result::TABLE_POSTCODE);
577 private function queryNamedPlace(&$oDB, $iMinAddressRank, $iMaxAddressRank, $iLimit)
582 // Sort by existence of the requested house number but only if not
583 // too many results are expected for the street, i.e. if the result
584 // will be narrowed down by an address. Remeber that with ordering
585 // every single result has to be checked.
586 if ($this->sHouseNumber && ($this->bRareName || !empty($this->aAddress) || $this->sPostcode)) {
587 $sHouseNumberRegex = '\\\\m'.$this->sHouseNumber.'\\\\M';
589 $aOrder[0] .= 'EXISTS(';
590 $aOrder[0] .= ' SELECT place_id';
591 $aOrder[0] .= ' FROM placex';
592 $aOrder[0] .= ' WHERE parent_place_id = search_name.place_id';
593 $aOrder[0] .= " AND housenumber ~* E'".$sHouseNumberRegex."'";
594 $aOrder[0] .= ' LIMIT 1';
596 // also housenumbers from interpolation lines table are needed
597 if (preg_match('/[0-9]+/', $this->sHouseNumber)) {
598 $iHouseNumber = intval($this->sHouseNumber);
599 $aOrder[0] .= 'OR EXISTS(';
600 $aOrder[0] .= ' SELECT place_id ';
601 $aOrder[0] .= ' FROM location_property_osmline ';
602 $aOrder[0] .= ' WHERE parent_place_id = search_name.place_id';
603 $aOrder[0] .= ' AND startnumber is not NULL';
604 $aOrder[0] .= ' AND '.$iHouseNumber.'>=startnumber ';
605 $aOrder[0] .= ' AND '.$iHouseNumber.'<=endnumber ';
606 $aOrder[0] .= ' LIMIT 1';
609 $aOrder[0] .= ') DESC';
612 if (!empty($this->aName)) {
613 $aTerms[] = 'name_vector @> '.$oDB->getArraySQL($this->aName);
615 if (!empty($this->aAddress)) {
616 // For infrequent name terms disable index usage for address
617 if ($this->bRareName) {
618 $aTerms[] = 'array_cat(nameaddress_vector,ARRAY[]::integer[]) @> '.$oDB->getArraySQL($this->aAddress);
620 $aTerms[] = 'nameaddress_vector @> '.$oDB->getArraySQL($this->aAddress);
624 $sCountryTerm = $this->countryCodeSQL('country_code');
626 $aTerms[] = $sCountryTerm;
629 if ($this->sHouseNumber) {
630 $aTerms[] = 'address_rank between 16 and 30';
631 } elseif (!$this->sClass || $this->iOperator == Operator::NAME) {
632 if ($iMinAddressRank > 0) {
633 $aTerms[] = "((address_rank between $iMinAddressRank and $iMaxAddressRank) or (search_rank between $iMinAddressRank and $iMaxAddressRank))";
637 if ($this->oContext->hasNearPoint()) {
638 $aTerms[] = $this->oContext->withinSQL('centroid');
639 $aOrder[] = $this->oContext->distanceSQL('centroid');
640 } elseif ($this->sPostcode) {
641 if (empty($this->aAddress)) {
642 $aTerms[] = "EXISTS(SELECT place_id FROM location_postcode p WHERE p.postcode = '".$this->sPostcode."' AND ST_DWithin(search_name.centroid, p.geometry, 0.12))";
644 $aOrder[] = "(SELECT min(ST_Distance(search_name.centroid, p.geometry)) FROM location_postcode p WHERE p.postcode = '".$this->sPostcode."')";
648 $sExcludeSQL = $this->oContext->excludeSQL('place_id');
650 $aTerms[] = $sExcludeSQL;
653 if ($this->oContext->bViewboxBounded) {
654 $aTerms[] = 'centroid && '.$this->oContext->sqlViewboxSmall;
657 if ($this->oContext->hasNearPoint()) {
658 $aOrder[] = $this->oContext->distanceSQL('centroid');
661 if ($this->sHouseNumber) {
662 $sImportanceSQL = '- abs(26 - address_rank) + 3';
664 $sImportanceSQL = '(CASE WHEN importance = 0 OR importance IS NULL THEN 0.75001-(search_rank::float/40) ELSE importance END)';
666 $sImportanceSQL .= $this->oContext->viewboxImportanceSQL('centroid');
667 $aOrder[] = "$sImportanceSQL DESC";
669 $aFullNameAddress = $this->oContext->getFullNameTerms();
670 if (!empty($aFullNameAddress)) {
671 $sExactMatchSQL = ' ( ';
672 $sExactMatchSQL .= ' SELECT count(*) FROM ( ';
673 $sExactMatchSQL .= ' SELECT unnest('.$oDB->getArraySQL($aFullNameAddress).')';
674 $sExactMatchSQL .= ' INTERSECT ';
675 $sExactMatchSQL .= ' SELECT unnest(nameaddress_vector)';
676 $sExactMatchSQL .= ' ) s';
677 $sExactMatchSQL .= ') as exactmatch';
678 $aOrder[] = 'exactmatch DESC';
680 $sExactMatchSQL = '0::int as exactmatch';
683 if ($this->sHouseNumber || $this->sClass) {
689 if (!empty($aTerms)) {
690 $sSQL = 'SELECT place_id, address_rank,'.$sExactMatchSQL;
691 $sSQL .= ' FROM search_name';
692 $sSQL .= ' WHERE '.join(' and ', $aTerms);
693 $sSQL .= ' ORDER BY '.join(', ', $aOrder);
694 $sSQL .= ' LIMIT '.$iLimit;
696 Debug::printSQL($sSQL);
698 $aDBResults = $oDB->getAll($sSQL, null, 'Could not get places for search terms.');
700 foreach ($aDBResults as $aResult) {
701 $oResult = new Result($aResult['place_id']);
702 $oResult->iExactMatches = $aResult['exactmatch'];
703 $oResult->iAddressRank = $aResult['address_rank'];
704 $aResults[$aResult['place_id']] = $oResult;
711 private function queryHouseNumber(&$oDB, $aRoadPlaceIDs)
714 $sRoadPlaceIDs = Result::joinIdsByTableMaxRank(
716 Result::TABLE_PLACEX,
719 $sPOIPlaceIDs = Result::joinIdsByTableMinRank(
721 Result::TABLE_PLACEX,
725 $aIDCondition = array();
726 if ($sRoadPlaceIDs) {
727 $aIDCondition[] = 'parent_place_id in ('.$sRoadPlaceIDs.')';
730 $aIDCondition[] = 'place_id in ('.$sPOIPlaceIDs.')';
733 if (empty($aIDCondition)) {
737 $sHouseNumberRegex = '\\\\m'.$this->sHouseNumber.'\\\\M';
738 $sSQL = 'SELECT place_id FROM placex WHERE';
739 $sSQL .= " housenumber ~* E'".$sHouseNumberRegex."'";
740 $sSQL .= ' AND ('.join(' OR ', $aIDCondition).')';
741 $sSQL .= $this->oContext->excludeSQL(' AND place_id');
743 Debug::printSQL($sSQL);
745 // XXX should inherit the exactMatches from its parent
746 foreach ($oDB->getCol($sSQL) as $iPlaceId) {
747 $aResults[$iPlaceId] = new Result($iPlaceId);
750 $bIsIntHouseNumber= (bool) preg_match('/[0-9]+/', $this->sHouseNumber);
751 $iHousenumber = intval($this->sHouseNumber);
752 if ($bIsIntHouseNumber && $sRoadPlaceIDs && empty($aResults)) {
753 // if nothing found, search in the interpolation line table
754 $sSQL = 'SELECT distinct place_id FROM location_property_osmline';
755 $sSQL .= ' WHERE startnumber is not NULL';
756 $sSQL .= ' AND parent_place_id in ('.$sRoadPlaceIDs.') AND (';
757 if ($iHousenumber % 2 == 0) {
758 // If housenumber is even, look for housenumber in streets
759 // with interpolationtype even or all.
760 $sSQL .= "interpolationtype='even'";
762 // Else look for housenumber with interpolationtype odd or all.
763 $sSQL .= "interpolationtype='odd'";
765 $sSQL .= " or interpolationtype='all') and ";
766 $sSQL .= $iHousenumber.'>=startnumber and ';
767 $sSQL .= $iHousenumber.'<=endnumber';
768 $sSQL .= $this->oContext->excludeSQL(' AND place_id');
770 Debug::printSQL($sSQL);
772 foreach ($oDB->getCol($sSQL) as $iPlaceId) {
773 $oResult = new Result($iPlaceId, Result::TABLE_OSMLINE);
774 $oResult->iHouseNumber = $iHousenumber;
775 $aResults[$iPlaceId] = $oResult;
779 // If nothing found then search in Tiger data (location_property_tiger)
780 if (CONST_Use_US_Tiger_Data && $sRoadPlaceIDs && $bIsIntHouseNumber && empty($aResults)) {
781 $sSQL = 'SELECT place_id FROM location_property_tiger';
782 $sSQL .= ' WHERE parent_place_id in ('.$sRoadPlaceIDs.') and (';
783 if ($iHousenumber % 2 == 0) {
784 $sSQL .= "interpolationtype='even'";
786 $sSQL .= "interpolationtype='odd'";
788 $sSQL .= " or interpolationtype='all') and ";
789 $sSQL .= $iHousenumber.'>=startnumber and ';
790 $sSQL .= $iHousenumber.'<=endnumber';
791 $sSQL .= $this->oContext->excludeSQL(' AND place_id');
793 Debug::printSQL($sSQL);
795 foreach ($oDB->getCol($sSQL) as $iPlaceId) {
796 $oResult = new Result($iPlaceId, Result::TABLE_TIGER);
797 $oResult->iHouseNumber = $iHousenumber;
798 $aResults[$iPlaceId] = $oResult;
806 private function queryPoiByOperator(&$oDB, $aParentIDs, $iLimit)
809 $sPlaceIDs = Result::joinIdsByTable($aParentIDs, Result::TABLE_PLACEX);
815 if ($this->iOperator == Operator::TYPE || $this->iOperator == Operator::NAME) {
816 // If they were searching for a named class (i.e. 'Kings Head pub')
817 // then we might have an extra match
818 $sSQL = 'SELECT place_id FROM placex ';
819 $sSQL .= " WHERE place_id in ($sPlaceIDs)";
820 $sSQL .= " AND class='".$this->sClass."' ";
821 $sSQL .= " AND type='".$this->sType."'";
822 $sSQL .= ' AND linked_place_id is null';
823 $sSQL .= $this->oContext->excludeSQL(' AND place_id');
824 $sSQL .= ' ORDER BY rank_search ASC ';
825 $sSQL .= " LIMIT $iLimit";
827 Debug::printSQL($sSQL);
829 foreach ($oDB->getCol($sSQL) as $iPlaceId) {
830 $aResults[$iPlaceId] = new Result($iPlaceId);
834 // NEAR and IN are handled the same
835 if ($this->iOperator == Operator::TYPE || $this->iOperator == Operator::NEAR) {
836 $sClassTable = $this->poiTable();
837 $bCacheTable = $oDB->tableExists($sClassTable);
839 $sSQL = "SELECT min(rank_search) FROM placex WHERE place_id in ($sPlaceIDs)";
840 Debug::printSQL($sSQL);
841 $iMaxRank = (int) $oDB->getOne($sSQL);
843 // For state / country level searches the normal radius search doesn't work very well
845 if ($iMaxRank < 9 && $bCacheTable) {
846 // Try and get a polygon to search in instead
847 $sSQL = 'SELECT geometry FROM placex';
848 $sSQL .= " WHERE place_id in ($sPlaceIDs)";
849 $sSQL .= " AND rank_search < $iMaxRank + 5";
850 $sSQL .= " AND ST_GeometryType(geometry) in ('ST_Polygon','ST_MultiPolygon')";
851 $sSQL .= ' ORDER BY rank_search ASC ';
853 Debug::printSQL($sSQL);
854 $sPlaceGeom = $oDB->getOne($sSQL);
861 $sSQL = 'SELECT place_id FROM placex';
862 $sSQL .= " WHERE place_id in ($sPlaceIDs) and rank_search < $iMaxRank";
863 Debug::printSQL($sSQL);
864 $aPlaceIDs = $oDB->getCol($sSQL);
865 $sPlaceIDs = join(',', $aPlaceIDs);
868 if ($sPlaceIDs || $sPlaceGeom) {
871 // More efficient - can make the range bigger
875 if ($this->oContext->hasNearPoint()) {
876 $sOrderBySQL = $this->oContext->distanceSQL('l.centroid');
877 } elseif ($sPlaceIDs) {
878 $sOrderBySQL = 'ST_Distance(l.centroid, f.geometry)';
879 } elseif ($sPlaceGeom) {
880 $sOrderBySQL = "ST_Distance(st_centroid('".$sPlaceGeom."'), l.centroid)";
883 $sSQL = 'SELECT distinct i.place_id';
885 $sSQL .= ', i.order_term';
887 $sSQL .= ' from (SELECT l.place_id';
889 $sSQL .= ','.$sOrderBySQL.' as order_term';
891 $sSQL .= ' from '.$sClassTable.' as l';
894 $sSQL .= ',placex as f WHERE ';
895 $sSQL .= "f.place_id in ($sPlaceIDs) ";
896 $sSQL .= " AND ST_DWithin(l.centroid, f.centroid, $fRange)";
897 } elseif ($sPlaceGeom) {
898 $sSQL .= " WHERE ST_Contains('$sPlaceGeom', l.centroid)";
901 $sSQL .= $this->oContext->excludeSQL(' AND l.place_id');
902 $sSQL .= 'limit 300) i ';
904 $sSQL .= 'order by order_term asc';
906 $sSQL .= " limit $iLimit";
908 Debug::printSQL($sSQL);
910 foreach ($oDB->getCol($sSQL) as $iPlaceId) {
911 $aResults[$iPlaceId] = new Result($iPlaceId);
914 if ($this->oContext->hasNearPoint()) {
915 $fRange = $this->oContext->nearRadius();
919 if ($this->oContext->hasNearPoint()) {
920 $sOrderBySQL = $this->oContext->distanceSQL('l.geometry');
922 $sOrderBySQL = 'ST_Distance(l.geometry, f.geometry)';
925 $sSQL = 'SELECT distinct l.place_id';
927 $sSQL .= ','.$sOrderBySQL.' as orderterm';
929 $sSQL .= ' FROM placex as l, placex as f';
930 $sSQL .= " WHERE f.place_id in ($sPlaceIDs)";
931 $sSQL .= " AND ST_DWithin(l.geometry, f.centroid, $fRange)";
932 $sSQL .= " AND l.class='".$this->sClass."'";
933 $sSQL .= " AND l.type='".$this->sType."'";
934 $sSQL .= $this->oContext->excludeSQL(' AND l.place_id');
936 $sSQL .= 'ORDER BY orderterm ASC';
938 $sSQL .= " limit $iLimit";
940 Debug::printSQL($sSQL);
942 foreach ($oDB->getCol($sSQL) as $iPlaceId) {
943 $aResults[$iPlaceId] = new Result($iPlaceId);
952 private function poiTable()
954 return 'place_classtype_'.$this->sClass.'_'.$this->sType;
957 private function countryCodeSQL($sVar)
959 if ($this->sCountryCode) {
960 return $sVar.' = \''.$this->sCountryCode."'";
962 if ($this->oContext->sqlCountryList) {
963 return $sVar.' in '.$this->oContext->sqlCountryList;
969 /////////// Sort functions
972 public static function bySearchRank($a, $b)
974 if ($a->iSearchRank == $b->iSearchRank) {
975 return $a->iOperator + strlen($a->sHouseNumber)
976 - $b->iOperator - strlen($b->sHouseNumber);
979 return $a->iSearchRank < $b->iSearchRank ? -1 : 1;
982 //////////// Debugging functions
985 public function debugInfo()
988 'Search rank' => $this->iSearchRank,
989 'Country code' => $this->sCountryCode,
990 'Name terms' => $this->aName,
991 'Name terms (stop words)' => $this->aNameNonSearch,
992 'Address terms' => $this->aAddress,
993 'Address terms (stop words)' => $this->aAddressNonSearch,
994 'Address terms (full words)' => $this->aFullNameAddress ?? '',
995 'Special search' => $this->iOperator,
996 'Class' => $this->sClass,
997 'Type' => $this->sType,
998 'House number' => $this->sHouseNumber,
999 'Postcode' => $this->sPostcode
1003 public function dumpAsHtmlTableRow(&$aWordIDs)
1005 $kf = function ($k) use (&$aWordIDs) {
1006 return $aWordIDs[$k] ?? '['.$k.']';
1010 echo "<td>$this->iSearchRank</td>";
1011 echo '<td>'.join(', ', array_map($kf, $this->aName)).'</td>';
1012 echo '<td>'.join(', ', array_map($kf, $this->aNameNonSearch)).'</td>';
1013 echo '<td>'.join(', ', array_map($kf, $this->aAddress)).'</td>';
1014 echo '<td>'.join(', ', array_map($kf, $this->aAddressNonSearch)).'</td>';
1015 echo '<td>'.$this->sCountryCode.'</td>';
1016 echo '<td>'.Operator::toString($this->iOperator).'</td>';
1017 echo '<td>'.$this->sClass.'</td>';
1018 echo '<td>'.$this->sType.'</td>';
1019 echo '<td>'.$this->sPostcode.'</td>';
1020 echo '<td>'.$this->sHouseNumber.'</td>';