<?php
+/**
+ * SPDX-License-Identifier: GPL-2.0-only
+ *
+ * This file is part of Nominatim. (https://nominatim.org)
+ *
+ * Copyright (C) 2022 by the Nominatim developer community.
+ * For a full list of authors see the git log.
+ */
namespace Nominatim;
private $aName = array();
/// True if the name is rare enough to force index use on name.
private $bRareName = false;
+ /// True if the name requires to be accompanied by address terms.
+ private $bNameNeedsAddress = false;
/// List of word ids making up the address of the object.
private $aAddress = array();
/// List of word ids that appear in the name but should be ignored.
return $this->iSearchRank;
}
- /**
- * Make this search a POI search.
- *
- * In a POI search, objects are not (only) searched by their name
- * but also by the primary OSM key/value pair (class and type in Nominatim).
- *
- * @param integer $iOperator Type of POI search
- * @param string $sClass Class (or OSM tag key) of POI.
- * @param string $sType Type (or OSM tag value) of POI.
- *
- * @return void
- */
- public function setPoiSearch($iOperator, $sClass, $sType)
- {
- $this->iOperator = $iOperator;
- $this->sClass = $sClass;
- $this->sType = $sType;
- }
-
- /**
- * Check if any operator is set.
- *
- * @return bool True, if this is a special search operation.
- */
- public function hasOperator()
- {
- return $this->iOperator != Operator::NONE;
- }
-
/**
* Extract key/value pairs from a query.
*
return false;
}
}
+ if ($this->bNameNeedsAddress && empty($this->aAddress)) {
+ return false;
+ }
return true;
}
/////////// Search building functions
-
/**
- * Derive new searches by adding a full term to the existing search.
+ * Create a copy of this search description adding to search rank.
*
- * @param string $sToken Term for the token.
- * @param object $oSearchTerm Description of the token.
- * @param object $oPosition Description of the token position within
- the query.
+ * @param integer $iTermCost Cost to add to the current search rank.
*
- * @return SearchDescription[] List of derived search descriptions.
+ * @return object Cloned search description.
*/
- public function extendWithSearchTerm($sToken, $oSearchTerm, $oPosition)
+ public function clone($iTermCost)
{
- $aNewSearches = array();
+ $oSearch = clone $this;
+ $oSearch->iSearchRank += $iTermCost;
- if ($oPosition->maybePhrase('country')
- && is_a($oSearchTerm, '\Nominatim\Token\Country')
- ) {
- if (!$this->sCountryCode) {
- $oSearch = clone $this;
- $oSearch->iSearchRank++;
- $oSearch->sCountryCode = $oSearchTerm->sCountryCode;
- // Country is almost always at the end of the string
- // - increase score for finding it anywhere else (optimisation)
- if (!$oPosition->isLastToken()) {
- $oSearch->iSearchRank += 5;
- $oSearch->iNamePhrase = -1;
- }
- $aNewSearches[] = $oSearch;
- }
- } elseif ($oPosition->maybePhrase('postalcode')
- && is_a($oSearchTerm, '\Nominatim\Token\Postcode')
- ) {
- if (!$this->sPostcode) {
- // If we have structured search or this is the first term,
- // make the postcode the primary search element.
- if ($this->iOperator == Operator::NONE && $oPosition->isFirstToken()) {
- $oSearch = clone $this;
- $oSearch->iSearchRank++;
- $oSearch->iOperator = Operator::POSTCODE;
- $oSearch->aAddress = array_merge($this->aAddress, $this->aName);
- $oSearch->aName =
- array($oSearchTerm->iId => $oSearchTerm->sPostcode);
- $aNewSearches[] = $oSearch;
- }
+ return $oSearch;
+ }
- // If we have a structured search or this is not the first term,
- // add the postcode as an addendum.
- if ($this->iOperator != Operator::POSTCODE
- && ($oPosition->isPhrase('postalcode') || !empty($this->aName))
- ) {
- $oSearch = clone $this;
- $oSearch->iSearchRank++;
- $oSearch->iNamePhrase = -1;
- if (strlen($oSearchTerm->sPostcode) < 4) {
- $oSearch->iSearchRank += 4 - strlen($oSearchTerm->sPostcode);
- }
- $oSearch->sPostcode = $oSearchTerm->sPostcode;
- $aNewSearches[] = $oSearch;
- }
- }
- } elseif ($oPosition->maybePhrase('street')
- && is_a($oSearchTerm, '\Nominatim\Token\HouseNumber')
- ) {
- if (!$this->sHouseNumber && $this->iOperator != Operator::POSTCODE) {
- // sanity check: if the housenumber is not mainly made
- // up of numbers, add a penalty
- $iSearchCost = 1;
- if (preg_match('/\\d/', $oSearchTerm->sToken) === 0
- || preg_match_all('/[^0-9]/', $oSearchTerm->sToken, $aMatches) > 2) {
- $iSearchCost++;
- }
- if ($this->iOperator != Operator::NONE) {
- $iSearchCost++;
- }
- if (empty($oSearchTerm->iId)) {
- $iSearchCost++;
- }
- // also must not appear in the middle of the address
- if (!empty($this->aAddress)
- || (!empty($this->aAddressNonSearch))
- || $this->sPostcode
- ) {
- $iSearchCost++;
- }
+ /**
+ * Check if the search currently includes a name.
+ *
+ * @param bool bIncludeNonNames If true stop-word tokens are taken into
+ * account, too.
+ *
+ * @return bool True, if search has a name.
+ */
+ public function hasName($bIncludeNonNames = false)
+ {
+ return !empty($this->aName)
+ || (!empty($this->aNameNonSearch) && $bIncludeNonNames);
+ }
- $oSearch = clone $this;
- $oSearch->iSearchRank += $iSearchCost;
- $oSearch->iNamePhrase = -1;
- $oSearch->sHouseNumber = $oSearchTerm->sToken;
- $aNewSearches[] = $oSearch;
-
- // Housenumbers may appear in the name when the place has its own
- // address terms.
- if ($oSearchTerm->iId !== null
- && ($this->iNamePhrase >= 0 || empty($this->aName))
- && empty($this->aAddress)
- ) {
- $oSearch = clone $this;
- $oSearch->iSearchRank += $iSearchCost;
- $oSearch->aAddress = $this->aName;
- $oSearch->bRareName = false;
- $oSearch->aName = array($oSearchTerm->iId => $oSearchTerm->iId);
- $aNewSearches[] = $oSearch;
- }
- }
- } elseif ($oPosition->isPhrase('')
- && is_a($oSearchTerm, '\Nominatim\Token\SpecialTerm')
- ) {
- if ($this->iOperator == Operator::NONE) {
- $oSearch = clone $this;
- $oSearch->iSearchRank += 2;
- $oSearch->iNamePhrase = -1;
-
- $iOp = $oSearchTerm->iOperator;
- if ($iOp == Operator::NONE) {
- if (!empty($this->aName) || $this->oContext->isBoundedSearch()) {
- $iOp = Operator::NAME;
- } else {
- $iOp = Operator::NEAR;
- }
- $oSearch->iSearchRank += 2;
- } elseif (!$oPosition->isFirstToken() && !$oPosition->isLastToken()) {
- $oSearch->iSearchRank += 2;
- }
- if ($this->sHouseNumber) {
- $oSearch->iSearchRank++;
- }
+ /**
+ * Check if the search currently includes an address term.
+ *
+ * @return bool True, if any address term is included, including stop-word
+ * terms.
+ */
+ public function hasAddress()
+ {
+ return !empty($this->aAddress) || !empty($this->aAddressNonSearch);
+ }
- $oSearch->setPoiSearch(
- $iOp,
- $oSearchTerm->sClass,
- $oSearchTerm->sType
- );
- $aNewSearches[] = $oSearch;
- }
- } elseif (!$oPosition->isPhrase('country')
- && is_a($oSearchTerm, '\Nominatim\Token\Word')
- ) {
- $iWordID = $oSearchTerm->iId;
- // Full words can only be a name if they appear at the beginning
- // of the phrase. In structured search the name must forcably in
- // the first phrase. In unstructured search it may be in a later
- // phrase when the first phrase is a house number.
- if (!empty($this->aName) || !($oPosition->isFirstPhrase() || $oPosition->isPhrase(''))) {
- if (($oPosition->isPhrase('') || !$oPosition->isFirstPhrase())
- && $oSearchTerm->iTermCount > 1
- ) {
- $oSearch = clone $this;
- $oSearch->iNamePhrase = -1;
- $oSearch->iSearchRank += 1;
- $oSearch->aAddress[$iWordID] = $iWordID;
- $aNewSearches[] = $oSearch;
- }
- } elseif (empty($this->aNameNonSearch)) {
- $oSearch = clone $this;
- $oSearch->iSearchRank++;
- $oSearch->aName = array($iWordID => $iWordID);
- if (CONST_Search_NameOnlySearchFrequencyThreshold) {
- $oSearch->bRareName =
- $oSearchTerm->iSearchNameCount
- < CONST_Search_NameOnlySearchFrequencyThreshold;
- }
- $aNewSearches[] = $oSearch;
- }
- } elseif (!$oPosition->isPhrase('country')
- && is_a($oSearchTerm, '\Nominatim\Token\Partial')
- && strpos($sToken, ' ') === false
- ) {
- $aNewSearches = $this->extendWithPartialTerm(
- $sToken,
- $oSearchTerm,
- $oPosition
- );
- }
+ /**
+ * Check if a country restriction is currently included in the search.
+ *
+ * @return bool True, if a country restriction is set.
+ */
+ public function hasCountry()
+ {
+ return $this->sCountryCode !== '';
+ }
+
+ /**
+ * Check if a postcode is currently included in the search.
+ *
+ * @return bool True, if a postcode is set.
+ */
+ public function hasPostcode()
+ {
+ return $this->sPostcode !== '';
+ }
- return $aNewSearches;
+ /**
+ * Check if a house number is set for the search.
+ *
+ * @return bool True, if a house number is set.
+ */
+ public function hasHousenumber()
+ {
+ return $this->sHouseNumber !== '';
}
/**
- * Derive new searches by adding a partial term to the existing search.
+ * Check if a special type of place is requested.
*
- * @param string $sToken Term for the token.
- * @param object $oSearchTerm Description of the token.
- * @param object $oPosition Description of the token position within
- the query.
+ * param integer iOperator When set, check for the particular
+ * operator used for the special type.
*
- * @return SearchDescription[] List of derived search descriptions.
+ * @return bool True, if speial type is requested or, if requested,
+ * a special type with the given operator.
*/
- private function extendWithPartialTerm($sToken, $oSearchTerm, $oPosition)
+ public function hasOperator($iOperator = null)
{
- $aNewSearches = array();
- $iWordID = $oSearchTerm->iId;
+ return $iOperator === null ? $this->iOperator != Operator::NONE : $this->iOperator == $iOperator;
+ }
- if (($oPosition->isPhrase('') || !$oPosition->isFirstPhrase())
- && (!empty($this->aName))
- ) {
- $oSearch = clone $this;
- $oSearch->iSearchRank++;
- if (preg_match('#^[0-9 ]+$#', $sToken)) {
- $oSearch->iSearchRank++;
- }
- if ($oSearchTerm->iSearchNameCount < CONST_Max_Word_Frequency) {
- $oSearch->aAddress[$iWordID] = $iWordID;
- } else {
- $oSearch->aAddressNonSearch[$iWordID] = $iWordID;
- }
- $aNewSearches[] = $oSearch;
+ /**
+ * Add the given token to the list of terms to search for in the address.
+ *
+ * @param integer iID ID of term to add.
+ * @param bool bSearchable Term should be used to search for result
+ * (i.e. term is not a stop word).
+ */
+ public function addAddressToken($iId, $bSearchable = true)
+ {
+ if ($bSearchable) {
+ $this->aAddress[$iId] = $iId;
+ } else {
+ $this->aAddressNonSearch[$iId] = $iId;
}
+ }
- if ((!$this->sPostcode && !$this->aAddress && !$this->aAddressNonSearch)
- && ((empty($this->aName) && empty($this->aNameNonSearch))
- || $this->iNamePhrase == $oPosition->getPhrase())
- ) {
- $oSearch = clone $this;
- $oSearch->iSearchRank++;
- if (empty($this->aName) && empty($this->aNameNonSearch)) {
- $oSearch->iSearchRank++;
- }
- if (preg_match('#^[0-9 ]+$#', $sToken)) {
- $oSearch->iSearchRank++;
- }
- if ($oSearchTerm->iSearchNameCount < CONST_Max_Word_Frequency) {
- if (empty($this->aName)
- && CONST_Search_NameOnlySearchFrequencyThreshold
- ) {
- $oSearch->bRareName =
- $oSearchTerm->iSearchNameCount
- < CONST_Search_NameOnlySearchFrequencyThreshold;
- } else {
- $oSearch->bRareName = false;
- }
- $oSearch->aName[$iWordID] = $iWordID;
- } else {
- $oSearch->aNameNonSearch[$iWordID] = $iWordID;
- }
- $oSearch->iNamePhrase = $oPosition->getPhrase();
- $aNewSearches[] = $oSearch;
+ /**
+ * Add the given full-word token to the list of terms to search for in the
+ * name.
+ *
+ * @param interger iId ID of term to add.
+ * @param bool bRareName True if the term is infrequent enough to not
+ * require other constraints for efficient search.
+ */
+ public function addNameToken($iId, $bRareName)
+ {
+ $this->aName[$iId] = $iId;
+ $this->bRareName = $bRareName;
+ $this->bNameNeedsAddress = false;
+ }
+
+ /**
+ * Add the given partial token to the list of terms to search for in
+ * the name.
+ *
+ * @param integer iID ID of term to add.
+ * @param bool bSearchable Term should be used to search for result
+ * (i.e. term is not a stop word).
+ * @param bool bNeedsAddress True if the term is too unspecific to be used
+ * in a stand-alone search without an address
+ * to narrow down the search.
+ * @param integer iPhraseNumber Index of phrase, where the partial term
+ * appears.
+ */
+ public function addPartialNameToken($iId, $bSearchable, $bNeedsAddress, $iPhraseNumber)
+ {
+ if (empty($this->aName)) {
+ $this->bNameNeedsAddress = $bNeedsAddress;
+ } else {
+ $this->bNameNeedsAddress &= $bNeedsAddress;
+ }
+ if ($bSearchable) {
+ $this->aName[$iId] = $iId;
+ } else {
+ $this->aNameNonSearch[$iId] = $iId;
}
+ $this->iNamePhrase = $iPhraseNumber;
+ }
+
+ /**
+ * Set country restriction for the search.
+ *
+ * @param string sCountryCode Country code of country to restrict search to.
+ */
+ public function setCountry($sCountryCode)
+ {
+ $this->sCountryCode = $sCountryCode;
+ $this->iNamePhrase = -1;
+ }
- return $aNewSearches;
+ /**
+ * Set postcode search constraint.
+ *
+ * @param string sPostcode Postcode the result should have.
+ */
+ public function setPostcode($sPostcode)
+ {
+ $this->sPostcode = $sPostcode;
+ $this->iNamePhrase = -1;
+ }
+
+ /**
+ * Make this search a search for a postcode object.
+ *
+ * @param integer iId Token Id for the postcode.
+ * @param string sPostcode Postcode to look for.
+ */
+ public function setPostcodeAsName($iId, $sPostcode)
+ {
+ $this->iOperator = Operator::POSTCODE;
+ $this->aAddress = array_merge($this->aAddress, $this->aName);
+ $this->aName = array($iId => $sPostcode);
+ $this->bRareName = true;
+ $this->iNamePhrase = -1;
+ }
+
+ /**
+ * Set house number search cnstraint.
+ *
+ * @param string sNumber House number the result should have.
+ */
+ public function setHousenumber($sNumber)
+ {
+ $this->sHouseNumber = $sNumber;
+ $this->iNamePhrase = -1;
+ }
+
+ /**
+ * Make this search a search for a house number.
+ *
+ * @param integer iId Token Id for the house number.
+ */
+ public function setHousenumberAsName($iId)
+ {
+ $this->aAddress = array_merge($this->aAddress, $this->aName);
+ $this->bRareName = false;
+ $this->bNameNeedsAddress = true;
+ $this->aName = array($iId => $iId);
+ $this->iNamePhrase = -1;
+ }
+
+ /**
+ * Make this search a POI search.
+ *
+ * In a POI search, objects are not (only) searched by their name
+ * but also by the primary OSM key/value pair (class and type in Nominatim).
+ *
+ * @param integer $iOperator Type of POI search
+ * @param string $sClass Class (or OSM tag key) of POI.
+ * @param string $sType Type (or OSM tag value) of POI.
+ *
+ * @return void
+ */
+ public function setPoiSearch($iOperator, $sClass, $sType)
+ {
+ $this->iOperator = $iOperator;
+ $this->sClass = $sClass;
+ $this->sType = $sType;
+ $this->iNamePhrase = -1;
+ }
+
+ public function getNamePhrase()
+ {
+ return $this->iNamePhrase;
+ }
+
+ /**
+ * Get the global search context.
+ *
+ * @return object Objects of global search constraints.
+ */
+ public function getContext()
+ {
+ return $this->oContext;
}
/////////// Query functions
// Sort by existence of the requested house number but only if not
// too many results are expected for the street, i.e. if the result
- // will be narrowed down by an address. Remeber that with ordering
+ // will be narrowed down by an address. Remember that with ordering
// every single result has to be checked.
if ($this->sHouseNumber && ($this->bRareName || !empty($this->aAddress) || $this->sPostcode)) {
- $sHouseNumberRegex = '\\\\m'.$this->sHouseNumber.'\\\\M';
- $aOrder[] = ' (';
- $aOrder[0] .= 'EXISTS(';
- $aOrder[0] .= ' SELECT place_id';
- $aOrder[0] .= ' FROM placex';
- $aOrder[0] .= ' WHERE parent_place_id = search_name.place_id';
- $aOrder[0] .= " AND housenumber ~* E'".$sHouseNumberRegex."'";
- $aOrder[0] .= ' LIMIT 1';
- $aOrder[0] .= ') ';
- // also housenumbers from interpolation lines table are needed
- if (preg_match('/[0-9]+/', $this->sHouseNumber)) {
- $iHouseNumber = intval($this->sHouseNumber);
- $aOrder[0] .= 'OR EXISTS(';
- $aOrder[0] .= ' SELECT place_id ';
- $aOrder[0] .= ' FROM location_property_osmline ';
- $aOrder[0] .= ' WHERE parent_place_id = search_name.place_id';
- $aOrder[0] .= ' AND startnumber is not NULL';
- $aOrder[0] .= ' AND '.$iHouseNumber.'>=startnumber ';
- $aOrder[0] .= ' AND '.$iHouseNumber.'<=endnumber ';
- $aOrder[0] .= ' LIMIT 1';
- $aOrder[0] .= ')';
+ $sHouseNumberRegex = $oDB->getDBQuoted('\\\\m'.$this->sHouseNumber.'\\\\M');
+
+ // Housenumbers on streets and places.
+ $sChildHnr = 'SELECT * FROM placex WHERE parent_place_id = search_name.place_id';
+ $sChildHnr .= ' AND housenumber ~* E'.$sHouseNumberRegex;
+ // Interpolations on streets and places.
+ if (preg_match('/^[0-9]+$/', $this->sHouseNumber)) {
+ $sIpolHnr = 'WHERE parent_place_id = search_name.place_id ';
+ $sIpolHnr .= ' AND startnumber is not NULL';
+ $sIpolHnr .= ' AND '.$this->sHouseNumber.'>=startnumber ';
+ $sIpolHnr .= ' AND '.$this->sHouseNumber.'<=endnumber ';
+ } else {
+ $sIpolHnr = false;
+ }
+ // Housenumbers on the object iteself for unlisted places.
+ $sSelfHnr = 'SELECT * FROM placex WHERE place_id = search_name.place_id';
+ $sSelfHnr .= ' AND housenumber ~* E'.$sHouseNumberRegex;
+
+ $sSql = '(CASE WHEN address_rank = 30 THEN EXISTS('.$sSelfHnr.') ';
+ $sSql .= ' ELSE EXISTS('.$sChildHnr.') ';
+ if ($sIpolHnr) {
+ $sSql .= 'OR EXISTS(SELECT * FROM location_property_osmline '.$sIpolHnr.') ';
+ if (CONST_Use_US_Tiger_Data) {
+ $sSql .= "OR (country_code = 'us' AND ";
+ $sSql .= ' EXISTS(SELECT * FROM location_property_tiger '.$sIpolHnr.')) ';
+ }
}
- $aOrder[0] .= ') DESC';
+ $sSql .= 'END) DESC';
+
+
+ $aOrder[] = $sSql;
}
if (!empty($this->aName)) {
$aOrder[] = $this->oContext->distanceSQL('centroid');
} elseif ($this->sPostcode) {
if (empty($this->aAddress)) {
- $aTerms[] = "EXISTS(SELECT place_id FROM location_postcode p WHERE p.postcode = '".$this->sPostcode."' AND ST_DWithin(search_name.centroid, p.geometry, 0.1))";
+ $aTerms[] = "EXISTS(SELECT place_id FROM location_postcode p WHERE p.postcode = '".$this->sPostcode."' AND ST_DWithin(search_name.centroid, p.geometry, 0.12))";
} else {
$aOrder[] = "(SELECT min(ST_Distance(search_name.centroid, p.geometry)) FROM location_postcode p WHERE p.postcode = '".$this->sPostcode."')";
}
return $aResults;
}
- $sHouseNumberRegex = '\\\\m'.$this->sHouseNumber.'\\\\M';
+ $sHouseNumberRegex = $oDB->getDBQuoted('\\\\m'.$this->sHouseNumber.'\\\\M');
$sSQL = 'SELECT place_id FROM placex WHERE';
- $sSQL .= " housenumber ~* E'".$sHouseNumberRegex."'";
+ $sSQL .= ' housenumber ~* E'.$sHouseNumberRegex;
$sSQL .= ' AND ('.join(' OR ', $aIDCondition).')';
$sSQL .= $this->oContext->excludeSQL(' AND place_id');
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