5 require_once(CONST_BasePath.'/lib/SpecialSearchOperator.php');
6 require_once(CONST_BasePath.'/lib/SearchContext.php');
7 require_once(CONST_BasePath.'/lib/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 /// Subset of word ids of full words making up the address.
25 private $aFullNameAddress = 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 * Make this search a POI search.
75 * In a POI search, objects are not (only) searched by their name
76 * but also by the primary OSM key/value pair (class and type in Nominatim).
78 * @param integer $iOperator Type of POI search
79 * @param string $sClass Class (or OSM tag key) of POI.
80 * @param string $sType Type (or OSM tag value) of POI.
84 public function setPoiSearch($iOperator, $sClass, $sType)
86 $this->iOperator = $iOperator;
87 $this->sClass = $sClass;
88 $this->sType = $sType;
92 * Check if this might be a full address search.
94 * @return bool True if the search contains name, address and housenumber.
96 public function looksLikeFullAddress()
98 return (!empty($this->aName))
99 && (!empty($this->aAddress) || $this->sCountryCode)
100 && preg_match('/[0-9]+/', $this->sHouseNumber);
104 * Check if any operator is set.
106 * @return bool True, if this is a special search operation.
108 public function hasOperator()
110 return $this->iOperator != Operator::NONE;
114 * Extract key/value pairs from a query.
116 * Key/value pairs are recognised if they are of the form [<key>=<value>].
117 * If multiple terms of this kind are found then all terms are removed
118 * but only the first is used for search.
120 * @param string $sQuery Original query string.
122 * @return string The query string with the special search patterns removed.
124 public function extractKeyValuePairs($sQuery)
126 // Search for terms of kind [<key>=<value>].
128 '/\\[([\\w_]*)=([\\w_]*)\\]/',
134 foreach ($aSpecialTermsRaw as $aTerm) {
135 $sQuery = str_replace($aTerm[0], ' ', $sQuery);
136 if (!$this->hasOperator()) {
137 $this->setPoiSearch(Operator::TYPE, $aTerm[1], $aTerm[2]);
145 * Check if the combination of parameters is sensible.
147 * @return bool True, if the search looks valid.
149 public function isValidSearch()
151 if (empty($this->aName)) {
152 if ($this->sHouseNumber) {
155 if (!$this->sClass && !$this->sCountryCode) {
163 /////////// Search building functions
167 * Derive new searches by adding a full term to the existing search.
169 * @param object $oSearchTerm Description of the token.
170 * @param bool $bHasPartial True if there are also tokens of partial terms
171 * with the same name.
172 * @param string $sPhraseType Type of phrase the token is contained in.
173 * @param bool $bFirstToken True if the token is at the beginning of the
175 * @param bool $bFirstPhrase True if the token is in the first phrase of
177 * @param bool $bLastToken True if the token is at the end of the query.
179 * @return SearchDescription[] List of derived search descriptions.
181 public function extendWithFullTerm($oSearchTerm, $bHasPartial, $sPhraseType, $bFirstToken, $bFirstPhrase, $bLastToken)
183 $aNewSearches = array();
185 if (($sPhraseType == '' || $sPhraseType == 'country')
186 && is_a($oSearchTerm, '\Nominatim\Token\Country')
188 if (!$this->sCountryCode) {
189 $oSearch = clone $this;
190 $oSearch->iSearchRank++;
191 $oSearch->sCountryCode = $oSearchTerm->sCountryCode;
192 // Country is almost always at the end of the string
193 // - increase score for finding it anywhere else (optimisation)
195 $oSearch->iSearchRank += 5;
197 $aNewSearches[] = $oSearch;
199 } elseif (($sPhraseType == '' || $sPhraseType == 'postalcode')
200 && is_a($oSearchTerm, '\Nominatim\Token\Postcode')
202 // We need to try the case where the postal code is the primary element
203 // (i.e. no way to tell if it is (postalcode, city) OR (city, postalcode)
205 if (!$this->sPostcode) {
206 // If we have structured search or this is the first term,
207 // make the postcode the primary search element.
208 if ($this->iOperator == Operator::NONE
209 && ($sPhraseType == 'postalcode' || $bFirstToken)
211 $oSearch = clone $this;
212 $oSearch->iSearchRank++;
213 $oSearch->iOperator = Operator::POSTCODE;
214 $oSearch->aAddress = array_merge($this->aAddress, $this->aName);
216 array($oSearchTerm->iId => $oSearchTerm->sPostcode);
217 $aNewSearches[] = $oSearch;
220 // If we have a structured search or this is not the first term,
221 // add the postcode as an addendum.
222 if ($this->iOperator != Operator::POSTCODE
223 && ($sPhraseType == 'postalcode' || !empty($this->aName))
225 $oSearch = clone $this;
226 $oSearch->iSearchRank++;
227 $oSearch->sPostcode = $oSearchTerm->sPostcode;
228 $aNewSearches[] = $oSearch;
231 } elseif (($sPhraseType == '' || $sPhraseType == 'street')
232 && is_a($oSearchTerm, '\Nominatim\Token\HouseNumber')
234 if (!$this->sHouseNumber && $this->iOperator != Operator::POSTCODE) {
235 $oSearch = clone $this;
236 $oSearch->iSearchRank++;
237 $oSearch->sHouseNumber = $oSearchTerm->sToken;
238 // sanity check: if the housenumber is not mainly made
239 // up of numbers, add a penalty
240 if (preg_match_all('/[^0-9]/', $oSearch->sHouseNumber, $aMatches) > 2) {
241 $oSearch->iSearchRank++;
243 if (empty($oSearchTerm->iId)) {
244 $oSearch->iSearchRank++;
246 // also must not appear in the middle of the address
247 if (!empty($this->aAddress)
248 || (!empty($this->aAddressNonSearch))
251 $oSearch->iSearchRank++;
253 $aNewSearches[] = $oSearch;
255 } elseif ($sPhraseType == ''
256 && is_a($oSearchTerm, '\Nominatim\Token\SpecialTerm')
258 if ($this->iOperator == Operator::NONE) {
259 $oSearch = clone $this;
260 $oSearch->iSearchRank++;
262 $iOp = $oSearchTerm->iOperator;
263 if ($iOp == Operator::NONE) {
264 if (!empty($this->aName) || $this->oContext->isBoundedSearch()) {
265 $iOp = Operator::NAME;
267 $iOp = Operator::NEAR;
269 $oSearch->iSearchRank += 2;
272 $oSearch->setPoiSearch(
274 $oSearchTerm->sClass,
277 $aNewSearches[] = $oSearch;
279 } elseif ($sPhraseType != 'country'
280 && is_a($oSearchTerm, '\Nominatim\Token\Word')
282 $iWordID = $oSearchTerm->iId;
283 // Full words can only be a name if they appear at the beginning
284 // of the phrase. In structured search the name must forcably in
285 // the first phrase. In unstructured search it may be in a later
286 // phrase when the first phrase is a house number.
287 if (!empty($this->aName) || !($bFirstPhrase || $sPhraseType == '')) {
288 if (($sPhraseType == '' || !$bFirstPhrase) && !$bHasPartial) {
289 $oSearch = clone $this;
290 $oSearch->iSearchRank += 2;
291 $oSearch->aAddress[$iWordID] = $iWordID;
292 $aNewSearches[] = $oSearch;
294 $this->aFullNameAddress[$iWordID] = $iWordID;
297 $oSearch = clone $this;
298 $oSearch->iSearchRank++;
299 $oSearch->aName = array($iWordID => $iWordID);
300 if (CONST_Search_NameOnlySearchFrequencyThreshold) {
301 $oSearch->bRareName =
302 $oSearchTerm->iSearchNameCount
303 < CONST_Search_NameOnlySearchFrequencyThreshold;
305 $aNewSearches[] = $oSearch;
309 return $aNewSearches;
313 * Derive new searches by adding a partial term to the existing search.
315 * @param string $sToken Term for the token.
316 * @param object $oSearchTerm Description of the token.
317 * @param bool $bStructuredPhrases True if the search is structured.
318 * @param integer $iPhrase Number of the phrase the token is in.
319 * @param array[] $aFullTokens List of full term tokens with the
322 * @return SearchDescription[] List of derived search descriptions.
324 public function extendWithPartialTerm($sToken, $oSearchTerm, $bStructuredPhrases, $iPhrase, $aFullTokens)
326 // Only allow name terms.
327 if (!(is_a($oSearchTerm, '\Nominatim\Token\Word'))) {
331 $aNewSearches = array();
332 $iWordID = $oSearchTerm->iId;
334 if ((!$bStructuredPhrases || $iPhrase > 0)
335 && (!empty($this->aName))
336 && strpos($sToken, ' ') === false
338 if ($oSearchTerm->iSearchNameCount < CONST_Max_Word_Frequency) {
339 $oSearch = clone $this;
340 $oSearch->iSearchRank += 2;
341 $oSearch->aAddress[$iWordID] = $iWordID;
342 $aNewSearches[] = $oSearch;
344 $oSearch = clone $this;
345 $oSearch->iSearchRank++;
346 $oSearch->aAddressNonSearch[$iWordID] = $iWordID;
347 if (preg_match('#^[0-9]+$#', $sToken)) {
348 $oSearch->iSearchRank += 2;
350 if (!empty($aFullTokens)) {
351 $oSearch->iSearchRank++;
353 $aNewSearches[] = $oSearch;
355 // revert to the token version?
356 foreach ($aFullTokens as $oSearchTermToken) {
357 if (is_a($oSearchTermToken, '\Nominatim\Token\Word')) {
358 $oSearch = clone $this;
359 $oSearch->iSearchRank++;
360 $oSearch->aAddress[$oSearchTermToken->iId]
361 = $oSearchTermToken->iId;
362 $aNewSearches[] = $oSearch;
368 if ((!$this->sPostcode && !$this->aAddress && !$this->aAddressNonSearch)
369 && (empty($this->aName) || $this->iNamePhrase == $iPhrase)
371 $oSearch = clone $this;
372 $oSearch->iSearchRank += 2;
373 if (empty($this->aName)) {
374 $oSearch->iSearchRank += 1;
376 if (preg_match('#^[0-9]+$#', $sToken)) {
377 $oSearch->iSearchRank += 2;
379 if ($oSearchTerm->iSearchNameCount < CONST_Max_Word_Frequency) {
380 if (empty($this->aName)
381 && CONST_Search_NameOnlySearchFrequencyThreshold
383 $oSearch->bRareName =
384 $oSearchTerm->iSearchNameCount
385 < CONST_Search_NameOnlySearchFrequencyThreshold;
387 $oSearch->bRareName = false;
389 $oSearch->aName[$iWordID] = $iWordID;
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 Database connection 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 = $this->queryNamedPlace(
449 //now search for housenumber, if housenumber provided
450 if ($this->sHouseNumber && !empty($aResults)) {
451 // Downgrade the rank of the street results, they are missing
453 foreach ($aResults as $oRes) {
454 $oRes->iResultRank++;
457 $aHnResults = $this->queryHouseNumber($oDB, $aResults);
459 if (!empty($aHnResults)) {
460 foreach ($aHnResults as $oRes) {
461 $aResults[$oRes->iId] = $oRes;
466 // finally get POIs if requested
467 if ($this->sClass && !empty($aResults)) {
468 $aResults = $this->queryPoiByOperator($oDB, $aResults, $iLimit);
472 Debug::printDebugTable('Place IDs', $aResults);
474 if (!empty($aResults) && $this->sPostcode) {
475 $sPlaceIds = Result::joinIdsByTable($aResults, Result::TABLE_PLACEX);
477 $sSQL = 'SELECT place_id FROM placex';
478 $sSQL .= ' WHERE place_id in ('.$sPlaceIds.')';
479 $sSQL .= " AND postcode != '".$this->sPostcode."'";
480 Debug::printSQL($sSQL);
481 $aFilteredPlaceIDs = chksql($oDB->getCol($sSQL));
482 if ($aFilteredPlaceIDs) {
483 foreach ($aFilteredPlaceIDs as $iPlaceId) {
484 $aResults[$iPlaceId]->iResultRank++;
494 private function queryCountry(&$oDB)
496 $sSQL = 'SELECT place_id FROM placex ';
497 $sSQL .= "WHERE country_code='".$this->sCountryCode."'";
498 $sSQL .= ' AND rank_search = 4';
499 if ($this->oContext->bViewboxBounded) {
500 $sSQL .= ' AND ST_Intersects('.$this->oContext->sqlViewboxSmall.', geometry)';
502 $sSQL .= ' ORDER BY st_area(geometry) DESC LIMIT 1';
504 Debug::printSQL($sSQL);
507 foreach (chksql($oDB->getCol($sSQL)) as $iPlaceId) {
508 $aResults[$iPlaceId] = new Result($iPlaceId);
514 private function queryNearbyPoi(&$oDB, $iLimit)
516 if (!$this->sClass) {
520 $aDBResults = array();
521 $sPoiTable = $this->poiTable();
523 $sSQL = 'SELECT count(*) FROM pg_tables WHERE tablename = \''.$sPoiTable."'";
524 if (chksql($oDB->getOne($sSQL))) {
525 $sSQL = 'SELECT place_id FROM '.$sPoiTable.' ct';
526 if ($this->oContext->sqlCountryList) {
527 $sSQL .= ' JOIN placex USING (place_id)';
529 if ($this->oContext->hasNearPoint()) {
530 $sSQL .= ' WHERE '.$this->oContext->withinSQL('ct.centroid');
531 } elseif ($this->oContext->bViewboxBounded) {
532 $sSQL .= ' WHERE ST_Contains('.$this->oContext->sqlViewboxSmall.', ct.centroid)';
534 if ($this->oContext->sqlCountryList) {
535 $sSQL .= ' AND country_code in '.$this->oContext->sqlCountryList;
537 $sSQL .= $this->oContext->excludeSQL(' AND place_id');
538 if ($this->oContext->sqlViewboxCentre) {
539 $sSQL .= ' ORDER BY ST_Distance(';
540 $sSQL .= $this->oContext->sqlViewboxCentre.', ct.centroid) ASC';
541 } elseif ($this->oContext->hasNearPoint()) {
542 $sSQL .= ' ORDER BY '.$this->oContext->distanceSQL('ct.centroid').' ASC';
544 $sSQL .= " limit $iLimit";
545 Debug::printSQL($sSQL);
546 $aDBResults = chksql($oDB->getCol($sSQL));
549 if ($this->oContext->hasNearPoint()) {
550 $sSQL = 'SELECT place_id FROM placex WHERE ';
551 $sSQL .= 'class=\''.$this->sClass."' and type='".$this->sType."'";
552 $sSQL .= ' AND '.$this->oContext->withinSQL('geometry');
553 $sSQL .= ' AND linked_place_id is null';
554 if ($this->oContext->sqlCountryList) {
555 $sSQL .= ' AND country_code in '.$this->oContext->sqlCountryList;
557 $sSQL .= ' ORDER BY '.$this->oContext->distanceSQL('centroid').' ASC';
558 $sSQL .= " LIMIT $iLimit";
559 Debug::printSQL($sSQL);
560 $aDBResults = chksql($oDB->getCol($sSQL));
564 foreach ($aDBResults as $iPlaceId) {
565 $aResults[$iPlaceId] = new Result($iPlaceId);
571 private function queryPostcode(&$oDB, $iLimit)
573 $sSQL = 'SELECT p.place_id FROM location_postcode p ';
575 if (!empty($this->aAddress)) {
576 $sSQL .= ', search_name s ';
577 $sSQL .= 'WHERE s.place_id = p.parent_place_id ';
578 $sSQL .= 'AND array_cat(s.nameaddress_vector, s.name_vector)';
579 $sSQL .= ' @> '.getArraySQL($this->aAddress).' AND ';
584 $sSQL .= "p.postcode = '".reset($this->aName)."'";
585 $sSQL .= $this->countryCodeSQL(' AND p.country_code');
586 $sSQL .= $this->oContext->excludeSQL(' AND p.place_id');
587 $sSQL .= " LIMIT $iLimit";
589 Debug::printSQL($sSQL);
592 foreach (chksql($oDB->getCol($sSQL)) as $iPlaceId) {
593 $aResults[$iPlaceId] = new Result($iPlaceId, Result::TABLE_POSTCODE);
599 private function queryNamedPlace(&$oDB, $iMinAddressRank, $iMaxAddressRank, $iLimit)
604 // Sort by existence of the requested house number but only if not
605 // too many results are expected for the street, i.e. if the result
606 // will be narrowed down by an address. Remeber that with ordering
607 // every single result has to be checked.
608 if ($this->sHouseNumber && (!empty($this->aAddress) || $this->sPostcode)) {
609 $sHouseNumberRegex = '\\\\m'.$this->sHouseNumber.'\\\\M';
611 $aOrder[0] .= 'EXISTS(';
612 $aOrder[0] .= ' SELECT place_id';
613 $aOrder[0] .= ' FROM placex';
614 $aOrder[0] .= ' WHERE parent_place_id = search_name.place_id';
615 $aOrder[0] .= " AND transliteration(housenumber) ~* E'".$sHouseNumberRegex."'";
616 $aOrder[0] .= ' LIMIT 1';
618 // also housenumbers from interpolation lines table are needed
619 if (preg_match('/[0-9]+/', $this->sHouseNumber)) {
620 $iHouseNumber = intval($this->sHouseNumber);
621 $aOrder[0] .= 'OR EXISTS(';
622 $aOrder[0] .= ' SELECT place_id ';
623 $aOrder[0] .= ' FROM location_property_osmline ';
624 $aOrder[0] .= ' WHERE parent_place_id = search_name.place_id';
625 $aOrder[0] .= ' AND startnumber is not NULL';
626 $aOrder[0] .= ' AND '.$iHouseNumber.'>=startnumber ';
627 $aOrder[0] .= ' AND '.$iHouseNumber.'<=endnumber ';
628 $aOrder[0] .= ' LIMIT 1';
631 $aOrder[0] .= ') DESC';
634 if (!empty($this->aName)) {
635 $aTerms[] = 'name_vector @> '.getArraySQL($this->aName);
637 if (!empty($this->aAddress)) {
638 // For infrequent name terms disable index usage for address
639 if ($this->bRareName) {
640 $aTerms[] = 'array_cat(nameaddress_vector,ARRAY[]::integer[]) @> '.getArraySQL($this->aAddress);
642 $aTerms[] = 'nameaddress_vector @> '.getArraySQL($this->aAddress);
646 $sCountryTerm = $this->countryCodeSQL('country_code');
648 $aTerms[] = $sCountryTerm;
651 if ($this->sHouseNumber) {
652 $aTerms[] = 'address_rank between 16 and 27';
653 } elseif (!$this->sClass || $this->iOperator == Operator::NAME) {
654 if ($iMinAddressRank > 0) {
655 $aTerms[] = 'address_rank >= '.$iMinAddressRank;
657 if ($iMaxAddressRank < 30) {
658 $aTerms[] = 'address_rank <= '.$iMaxAddressRank;
662 if ($this->oContext->hasNearPoint()) {
663 $aTerms[] = $this->oContext->withinSQL('centroid');
664 $aOrder[] = $this->oContext->distanceSQL('centroid');
665 } elseif ($this->sPostcode) {
666 if (empty($this->aAddress)) {
667 $aTerms[] = "EXISTS(SELECT place_id FROM location_postcode p WHERE p.postcode = '".$this->sPostcode."' AND ST_DWithin(search_name.centroid, p.geometry, 0.1))";
669 $aOrder[] = "(SELECT min(ST_Distance(search_name.centroid, p.geometry)) FROM location_postcode p WHERE p.postcode = '".$this->sPostcode."')";
673 $sExcludeSQL = $this->oContext->excludeSQL('place_id');
675 $aTerms[] = $sExcludeSQL;
678 if ($this->oContext->bViewboxBounded) {
679 $aTerms[] = 'centroid && '.$this->oContext->sqlViewboxSmall;
682 if ($this->oContext->hasNearPoint()) {
683 $aOrder[] = $this->oContext->distanceSQL('centroid');
686 if ($this->sHouseNumber) {
687 $sImportanceSQL = '- abs(26 - address_rank) + 3';
689 $sImportanceSQL = '(CASE WHEN importance = 0 OR importance IS NULL THEN 0.75001-(search_rank::float/40) ELSE importance END)';
691 $sImportanceSQL .= $this->oContext->viewboxImportanceSQL('centroid');
692 $aOrder[] = "$sImportanceSQL DESC";
694 if (!empty($this->aFullNameAddress)) {
695 $sExactMatchSQL = ' ( ';
696 $sExactMatchSQL .= ' SELECT count(*) FROM ( ';
697 $sExactMatchSQL .= ' SELECT unnest('.getArraySQL($this->aFullNameAddress).')';
698 $sExactMatchSQL .= ' INTERSECT ';
699 $sExactMatchSQL .= ' SELECT unnest(nameaddress_vector)';
700 $sExactMatchSQL .= ' ) s';
701 $sExactMatchSQL .= ') as exactmatch';
702 $aOrder[] = 'exactmatch DESC';
704 $sExactMatchSQL = '0::int as exactmatch';
707 if ($this->sHouseNumber || $this->sClass) {
713 if (!empty($aTerms)) {
714 $sSQL = 'SELECT place_id,'.$sExactMatchSQL;
715 $sSQL .= ' FROM search_name';
716 $sSQL .= ' WHERE '.join(' and ', $aTerms);
717 $sSQL .= ' ORDER BY '.join(', ', $aOrder);
718 $sSQL .= ' LIMIT '.$iLimit;
720 Debug::printSQL($sSQL);
722 $aDBResults = chksql(
724 'Could not get places for search terms.'
727 foreach ($aDBResults as $aResult) {
728 $oResult = new Result($aResult['place_id']);
729 $oResult->iExactMatches = $aResult['exactmatch'];
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 (chksql($oDB->getCol($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 (chksql($oDB->getCol($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 (chksql($oDB->getCol($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 (chksql($oDB->getCol($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 (chksql($oDB->getCol($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 $sSQL = "SELECT count(*) FROM pg_tables WHERE tablename = '$sClassTable'";
861 $bCacheTable = (bool) chksql($oDB->getOne($sSQL));
863 $sSQL = "SELECT min(rank_search) FROM placex WHERE place_id in ($sPlaceIDs)";
864 Debug::printSQL($sSQL);
865 $iMaxRank = (int)chksql($oDB->getOne($sSQL));
867 // For state / country level searches the normal radius search doesn't work very well
869 if ($iMaxRank < 9 && $bCacheTable) {
870 // Try and get a polygon to search in instead
871 $sSQL = 'SELECT geometry FROM placex';
872 $sSQL .= " WHERE place_id in ($sPlaceIDs)";
873 $sSQL .= " AND rank_search < $iMaxRank + 5";
874 $sSQL .= " AND ST_GeometryType(geometry) in ('ST_Polygon','ST_MultiPolygon')";
875 $sSQL .= ' ORDER BY rank_search ASC ';
877 Debug::printSQL($sSQL);
878 $sPlaceGeom = chksql($oDB->getOne($sSQL));
885 $sSQL = 'SELECT place_id FROM placex';
886 $sSQL .= " WHERE place_id in ($sPlaceIDs) and rank_search < $iMaxRank";
887 Debug::printSQL($sSQL);
888 $aPlaceIDs = chksql($oDB->getCol($sSQL));
889 $sPlaceIDs = join(',', $aPlaceIDs);
892 if ($sPlaceIDs || $sPlaceGeom) {
895 // More efficient - can make the range bigger
899 if ($this->oContext->hasNearPoint()) {
900 $sOrderBySQL = $this->oContext->distanceSQL('l.centroid');
901 } elseif ($sPlaceIDs) {
902 $sOrderBySQL = 'ST_Distance(l.centroid, f.geometry)';
903 } elseif ($sPlaceGeom) {
904 $sOrderBySQL = "ST_Distance(st_centroid('".$sPlaceGeom."'), l.centroid)";
907 $sSQL = 'SELECT distinct i.place_id';
909 $sSQL .= ', i.order_term';
911 $sSQL .= ' from (SELECT l.place_id';
913 $sSQL .= ','.$sOrderBySQL.' as order_term';
915 $sSQL .= ' from '.$sClassTable.' as l';
918 $sSQL .= ',placex as f WHERE ';
919 $sSQL .= "f.place_id in ($sPlaceIDs) ";
920 $sSQL .= " AND ST_DWithin(l.centroid, f.centroid, $fRange)";
921 } elseif ($sPlaceGeom) {
922 $sSQL .= " WHERE ST_Contains('$sPlaceGeom', l.centroid)";
925 $sSQL .= $this->oContext->excludeSQL(' AND l.place_id');
926 $sSQL .= 'limit 300) i ';
928 $sSQL .= 'order by order_term asc';
930 $sSQL .= " limit $iLimit";
932 Debug::printSQL($sSQL);
934 foreach (chksql($oDB->getCol($sSQL)) as $iPlaceId) {
935 $aResults[$iPlaceId] = new Result($iPlaceId);
938 if ($this->oContext->hasNearPoint()) {
939 $fRange = $this->oContext->nearRadius();
943 if ($this->oContext->hasNearPoint()) {
944 $sOrderBySQL = $this->oContext->distanceSQL('l.geometry');
946 $sOrderBySQL = 'ST_Distance(l.geometry, f.geometry)';
949 $sSQL = 'SELECT distinct l.place_id';
951 $sSQL .= ','.$sOrderBySQL.' as orderterm';
953 $sSQL .= ' FROM placex as l, placex as f';
954 $sSQL .= " WHERE f.place_id in ($sPlaceIDs)";
955 $sSQL .= " AND ST_DWithin(l.geometry, f.centroid, $fRange)";
956 $sSQL .= " AND l.class='".$this->sClass."'";
957 $sSQL .= " AND l.type='".$this->sType."'";
958 $sSQL .= $this->oContext->excludeSQL(' AND l.place_id');
960 $sSQL .= 'ORDER BY orderterm ASC';
962 $sSQL .= " limit $iLimit";
964 Debug::printSQL($sSQL);
966 foreach (chksql($oDB->getCol($sSQL)) as $iPlaceId) {
967 $aResults[$iPlaceId] = new Result($iPlaceId);
976 private function poiTable()
978 return 'place_classtype_'.$this->sClass.'_'.$this->sType;
981 private function countryCodeSQL($sVar)
983 if ($this->sCountryCode) {
984 return $sVar.' = \''.$this->sCountryCode."'";
986 if ($this->oContext->sqlCountryList) {
987 return $sVar.' in '.$this->oContext->sqlCountryList;
993 /////////// Sort functions
996 public static function bySearchRank($a, $b)
998 if ($a->iSearchRank == $b->iSearchRank) {
999 return $a->iOperator + strlen($a->sHouseNumber)
1000 - $b->iOperator - strlen($b->sHouseNumber);
1003 return $a->iSearchRank < $b->iSearchRank ? -1 : 1;
1006 //////////// Debugging functions
1009 public function debugInfo()
1012 'Search rank' => $this->iSearchRank,
1013 'Country code' => $this->sCountryCode,
1014 'Name terms' => $this->aName,
1015 'Name terms (stop words)' => $this->aNameNonSearch,
1016 'Address terms' => $this->aAddress,
1017 'Address terms (stop words)' => $this->aAddressNonSearch,
1018 'Address terms (full words)' => $this->aFullNameAddress,
1019 'Special search' => $this->iOperator,
1020 'Class' => $this->sClass,
1021 'Type' => $this->sType,
1022 'House number' => $this->sHouseNumber,
1023 'Postcode' => $this->sPostcode
1027 public function dumpAsHtmlTableRow(&$aWordIDs)
1029 $kf = function ($k) use (&$aWordIDs) {
1030 return $aWordIDs[$k];
1034 echo "<td>$this->iSearchRank</td>";
1035 echo '<td>'.join(', ', array_map($kf, $this->aName)).'</td>';
1036 echo '<td>'.join(', ', array_map($kf, $this->aNameNonSearch)).'</td>';
1037 echo '<td>'.join(', ', array_map($kf, $this->aAddress)).'</td>';
1038 echo '<td>'.join(', ', array_map($kf, $this->aAddressNonSearch)).'</td>';
1039 echo '<td>'.$this->sCountryCode.'</td>';
1040 echo '<td>'.Operator::toString($this->iOperator).'</td>';
1041 echo '<td>'.$this->sClass.'</td>';
1042 echo '<td>'.$this->sType.'</td>';
1043 echo '<td>'.$this->sPostcode.'</td>';
1044 echo '<td>'.$this->sHouseNumber.'</td>';