]> git.openstreetmap.org Git - nominatim.git/blobdiff - lib/Geocode.php
test/README.md - more instructions how to import test db
[nominatim.git] / lib / Geocode.php
index f0e03de5f3e75c1b8e4b81ba458963c94b8828b9..0c93e0a96e429945d4a795fe32179fcc573f0544 100644 (file)
@@ -245,7 +245,6 @@ class Geocode
         }
 
         $this->oPlaceLookup->loadParamArray($oParams, $sForceGeometryType);
-        $this->oPlaceLookup->setIncludePolygonAsPoints($oParams->getBool('polygon'));
         $this->oPlaceLookup->setIncludeAddressDetails($oParams->getBool('addressdetails', false));
     }
 
@@ -348,10 +347,7 @@ class Geocode
             $aNewPhraseSearches = array();
             $sPhraseType = $bIsStructured ? $oPhrase->getPhraseType() : '';
 
-            foreach ($oPhrase->getWordSets() as $iWordSet => $aWordset) {
-                // Too many permutations - too expensive
-                if ($iWordSet > 120) break;
-
+            foreach ($oPhrase->getWordSets() as $aWordset) {
                 $aWordsetSearches = $aSearches;
 
                 // Add all words from this wordset
@@ -527,8 +523,8 @@ class Geocode
         $sNormQuery = $this->normTerm($this->sQuery);
         Debug::printVar('Normalized query', $sNormQuery);
 
-        $sLanguagePrefArraySQL = getArraySQL(
-            array_map('getDBQuoted', $this->aLangPrefOrder)
+        $sLanguagePrefArraySQL = $this->oDB->getArraySQL(
+            $this->oDB->getDBQuotedList($this->aLangPrefOrder)
         );
 
         $sQuery = $this->sQuery;
@@ -546,7 +542,6 @@ class Geocode
         // Do we have anything that looks like a lat/lon pair?
         $sQuery = $oCtx->setNearPointFromQuery($sQuery);
 
-        $aResults = array();
         if ($sQuery || $this->aStructuredQuery) {
             // Start with a single blank search
             $aSearches = array(new SearchDescription($oCtx));
@@ -582,8 +577,9 @@ class Geocode
 
             if ($sSpecialTerm && !$aSearches[0]->hasOperator()) {
                 $sSpecialTerm = pg_escape_string($sSpecialTerm);
-                $sToken = chksql(
-                    $this->oDB->getOne("SELECT make_standard_name('$sSpecialTerm')"),
+                $sToken = $this->oDB->getOne(
+                    'SELECT make_standard_name(:term)',
+                    array(':term' => $sSpecialTerm),
                     'Cannot decode query. Wrong encoding?'
                 );
                 $sSQL = 'SELECT class, type FROM word ';
@@ -591,7 +587,7 @@ class Geocode
                 $sSQL .= '   AND class is not null AND class not in (\'place\')';
 
                 Debug::printSQL($sSQL);
-                $aSearchWords = chksql($this->oDB->getAll($sSQL));
+                $aSearchWords = $this->oDB->getAll($sSQL);
                 $aNewSearches = array();
                 foreach ($aSearches as $oSearch) {
                     foreach ($aSearchWords as $aSearchTerm) {
@@ -629,8 +625,9 @@ class Geocode
             $aTokens = array();
             $aPhrases = array();
             foreach ($aInPhrases as $iPhrase => $sPhrase) {
-                $sPhrase = chksql(
-                    $this->oDB->getOne('SELECT make_standard_name('.getDBQuoted($sPhrase).')'),
+                $sPhrase = $this->oDB->getOne(
+                    'SELECT make_standard_name(:phrase)',
+                    array(':phrase' => $sPhrase),
                     'Cannot normalize query string (is it a UTF-8 string?)'
                 );
                 if (trim($sPhrase)) {
@@ -640,7 +637,6 @@ class Geocode
                 }
             }
 
-            Debug::printDebugTable('Phrases', $aPhrases);
             Debug::printVar('Tokens', $aTokens);
 
             $oValidTokens = new TokenList();
@@ -648,7 +644,7 @@ class Geocode
             if (!empty($aTokens)) {
                 $sSQL = 'SELECT word_id, word_token, word, class, type, country_code, operator, search_name_count';
                 $sSQL .= ' FROM word ';
-                $sSQL .= ' WHERE word_token in ('.join(',', array_map('getDBQuoted', $aTokens)).')';
+                $sSQL .= ' WHERE word_token in ('.join(',', $this->oDB->getDBQuotedList($aTokens)).')';
 
                 Debug::printSQL($sSQL);
 
@@ -685,6 +681,11 @@ class Geocode
 
                 Debug::printGroupTable('Valid Tokens', $oValidTokens->debugInfo());
 
+                foreach ($aPhrases as $oPhrase) {
+                    $oPhrase->computeWordSets($oValidTokens);
+                }
+                Debug::printDebugTable('Phrases', $aPhrases);
+
                 Debug::newSection('Search candidates');
 
                 $aGroupedSearches = $this->getGroupedSearches($aSearches, $aPhrases, $oValidTokens, $bStructuredPhrases);
@@ -746,8 +747,10 @@ class Geocode
             // Start the search process
             $iGroupLoop = 0;
             $iQueryLoop = 0;
+            $aNextResults = array();
             foreach ($aGroupedSearches as $iGroupedRank => $aSearches) {
                 $iGroupLoop++;
+                $aResults = $aNextResults;
                 foreach ($aSearches as $oSearch) {
                     $iQueryLoop++;
 
@@ -757,16 +760,42 @@ class Geocode
                         $oValidTokens->debugTokenByWordIdList()
                     );
 
-                    $aResults += $oSearch->query(
+                    $aNewResults = $oSearch->query(
                         $this->oDB,
                         $this->iMinAddressRank,
                         $this->iMaxAddressRank,
                         $this->iLimit
                     );
 
+                    // The same result may appear in different rounds, only
+                    // use the one with minimal rank.
+                    foreach ($aNewResults as $iPlace => $oRes) {
+                        if (!isset($aResults[$iPlace])
+                            || $aResults[$iPlace]->iResultRank > $oRes->iResultRank) {
+                            $aResults[$iPlace] = $oRes;
+                        }
+                    }
+
                     if ($iQueryLoop > 20) break;
                 }
 
+                if (!empty($aResults)) {
+                    $aSplitResults = Result::splitResults($aResults);
+                    Debug::printVar('Split results', $aSplitResults);
+                    if ($iGroupLoop <= 4 && empty($aSplitResults['tail'])
+                        && reset($aSplitResults['head'])->iResultRank > 0) {
+                        // Haven't found an exact match for the query yet.
+                        // Therefore add result from the next group level.
+                        $aNextResults = $aSplitResults['head'];
+                        foreach ($aNextResults as $oRes) {
+                            $oRes->iResultRank--;
+                        }
+                        $aResults = array();
+                    } else {
+                        $aResults = $aSplitResults['head'];
+                    }
+                }
+
                 if (!empty($aResults) && ($this->iMinAddressRank != 0 || $this->iMaxAddressRank != 30)) {
                     // Need to verify passes rank limits before dropping out of the loop (yuk!)
                     // reduces the number of place ids, like a filter
@@ -778,9 +807,7 @@ class Geocode
                         $sSQL .= 'WHERE place_id in ('.$sPlaceIds.') ';
                         $sSQL .= '  AND (';
                         $sSQL .= "         placex.rank_address between $this->iMinAddressRank and $this->iMaxAddressRank ";
-                        if (14 >= $this->iMinAddressRank && 14 <= $this->iMaxAddressRank) {
-                            $sSQL .= "     OR (extratags->'place') = 'city'";
-                        }
+                        $sSQL .= "         OR placex.rank_search between $this->iMinAddressRank and $this->iMaxAddressRank ";
                         if ($this->aAddressRankList) {
                             $sSQL .= '     OR placex.rank_address in ('.join(',', $this->aAddressRankList).')';
                         }
@@ -803,7 +830,7 @@ class Geocode
                     if ($aFilterSql) {
                         $sSQL = join(' UNION ', $aFilterSql);
                         Debug::printSQL($sSQL);
-                        $aFilteredIDs = chksql($this->oDB->getCol($sSQL));
+                        $aFilteredIDs = $this->oDB->getCol($sSQL);
                     }
 
                     $tempIDs = array();
@@ -860,7 +887,6 @@ class Geocode
 
         $aSearchResults = $this->oPlaceLookup->lookup($aResults);
 
-        $aClassType = ClassTypes\getListWithImportance();
         $aRecheckWords = preg_split('/\b[\s,\\-]*/u', $sQuery);
         foreach ($aRecheckWords as $i => $sWord) {
             if (!preg_match('/[\pL\pN]/', $sWord)) unset($aRecheckWords[$i]);
@@ -869,33 +895,23 @@ class Geocode
         Debug::printVar('Recheck words', $aRecheckWords);
 
         foreach ($aSearchResults as $iIdx => $aResult) {
-            // Default
-            $fDiameter = ClassTypes\getProperty($aResult, 'defdiameter', 0.0001);
+            $fRadius = ClassTypes\getDefRadius($aResult);
 
-            $aOutlineResult = $this->oPlaceLookup->getOutlines($aResult['place_id'], $aResult['lon'], $aResult['lat'], $fDiameter/2);
+            $aOutlineResult = $this->oPlaceLookup->getOutlines($aResult['place_id'], $aResult['lon'], $aResult['lat'], $fRadius);
             if ($aOutlineResult) {
                 $aResult = array_merge($aResult, $aOutlineResult);
             }
 
-            if ($aResult['extra_place'] == 'city') {
-                $aResult['class'] = 'place';
-                $aResult['type'] = 'city';
-                $aResult['rank_search'] = 16;
-            }
-
             // Is there an icon set for this type of result?
-            $aClassInfo = ClassTypes\getInfo($aResult);
-
-            if ($aClassInfo) {
-                if (isset($aClassInfo['icon'])) {
-                    $aResult['icon'] = CONST_Website_BaseURL.'images/mapicons/'.$aClassInfo['icon'].'.p.20.png';
-                }
-
-                if (isset($aClassInfo['label'])) {
-                    $aResult['label'] = $aClassInfo['label'];
-                }
+            $sIcon = ClassTypes\getIconFile($aResult);
+            if (isset($sIcon)) {
+                $aResult['icon'] = $sIcon;
             }
 
+            $sLabel = ClassTypes\getLabel($aResult);
+            if (isset($sLabel)) {
+                $aResult['label'] = $sLabel;
+            }
             $aResult['name'] = $aResult['langaddress'];
 
             if ($oCtx->hasNearPoint()) {
@@ -925,10 +941,9 @@ class Geocode
                 // - number of exact matches from the query
                 $aResult['foundorder'] -= $aResults[$aResult['place_id']]->iExactMatches;
                 // - importance of the class/type
-                if (isset($aClassType[$aResult['class'].':'.$aResult['type']]['importance'])
-                    && $aClassType[$aResult['class'].':'.$aResult['type']]['importance']
-                ) {
-                    $aResult['foundorder'] += 0.0001 * $aClassType[$aResult['class'].':'.$aResult['type']]['importance'];
+                $iClassImportance = ClassTypes\getImportance($aResult);
+                if (isset($iClassImportance)) {
+                    $aResult['foundorder'] += 0.0001 * $iClassImportance;
                 } else {
                     $aResult['foundorder'] += 0.01;
                 }