Merge remote-tracking branch 'upstream/master'

[nominatim.git] / lib / Geocode.php

diff --git a/lib/Geocode.php b/lib/Geocode.php
index e2fd7272c34db0deb4220d1ef83a6d95b6dbf9da..12410acc81a03373bdbd9e44d1dbee84daf13307 100644 (file)
--- a/lib/Geocode.php
+++ b/lib/Geocode.php
@@ -18,7 +18,7 @@ class Geocode
     protected $aLangPrefOrder = array();
 
     protected $aExcludePlaceIDs = array();
-    protected $bReverseInPlan = false;
+    protected $bReverseInPlan = true;
 
     protected $iLimit = 20;
     protected $iFinalLimit = 10;
@@ -348,10 +348,7 @@ 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 +524,8 @@ 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;
@@ -581,8 +578,9 @@ 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 ';
@@ -590,7 +588,7 @@ 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) {
@@ -628,8 +626,9 @@ 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)) {
@@ -639,7 +638,6 @@ class Geocode
                 }
             }
 
-            Debug::printDebugTable('Phrases', $aPhrases);
             Debug::printVar('Tokens', $aTokens);
 
             $oValidTokens = new TokenList();
@@ -647,7 +645,7 @@ class Geocode
             if (!empty($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);
 
@@ -684,6 +682,11 @@ 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);
@@ -758,13 +761,22 @@ 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;
                 }
 
@@ -821,7 +833,7 @@ class Geocode
                     if ($aFilterSql) {
                         $sSQL = join(' UNION ', $aFilterSql);
                         Debug::printSQL($sSQL);
-                        $aFilteredIDs = chksql($this->oDB->getCol($sSQL));
+                        $aFilteredIDs = $this->oDB->getCol($sSQL);
                     }
 
                     $tempIDs = array();