avoid dropping tokens completely just because they are expensive. Use ' ' token...

[nominatim.git] / website / search.php

diff --git a/website/search.php b/website/search.php
index 3b5d55acea47bbf44846cce441e4de8612e3778b..2c1d2befecce66307a15714e7254c70fd53d378c 100755 (executable)
--- a/website/search.php
+++ b/website/search.php
@@ -1,8 +1,11 @@
 <?php
 <?php

+       @define('CONST_ConnectionBucket_PageType', 'Search');
+

        require_once(dirname(dirname(__FILE__)).'/lib/init-website.php');
        require_once(CONST_BasePath.'/lib/log.php');
 
        ini_set('memory_limit', '200M');
        require_once(dirname(dirname(__FILE__)).'/lib/init-website.php');
        require_once(CONST_BasePath.'/lib/log.php');
 
        ini_set('memory_limit', '200M');

+

        $oDB =& getDB();
 
        // Display defaults
        $oDB =& getDB();
 
        // Display defaults


@@ -17,12 +20,14 @@
        $sSuggestion = $sSuggestionURL = false;
        $bDeDupe = isset($_GET['dedupe'])?(bool)$_GET['dedupe']:true;
        $bReverseInPlan = false;
        $sSuggestion = $sSuggestionURL = false;
        $bDeDupe = isset($_GET['dedupe'])?(bool)$_GET['dedupe']:true;
        $bReverseInPlan = false;

-       $iLimit = isset($_GET['limit'])?(int)$_GET['limit']:10;
+       $iFinalLimit = isset($_GET['limit'])?(int)$_GET['limit']:10;

        $iOffset = isset($_GET['offset'])?(int)$_GET['offset']:0;
        $iMaxRank = 20;
        $iOffset = isset($_GET['offset'])?(int)$_GET['offset']:0;
        $iMaxRank = 20;

-       if ($iLimit > 100) $iLimit = 100;
+       if ($iFinalLimit > 50) $iFinalLimit = 50;
+       $iLimit = $iFinalLimit + min($iFinalLimit, 10);

        $iMinAddressRank = 0;
        $iMaxAddressRank = 30;
        $iMinAddressRank = 0;
        $iMaxAddressRank = 30;

+       $sAllowedTypesSQLList = false;

 
        // Format for output
        if (isset($_GET['format']) && ($_GET['format'] == 'html' || $_GET['format'] == 'xml' || $_GET['format'] == 'json' ||  $_GET['format'] == 'jsonv2'))
 
        // Format for output
        if (isset($_GET['format']) && ($_GET['format'] == 'html' || $_GET['format'] == 'xml' || $_GET['format'] == 'json' ||  $_GET['format'] == 'jsonv2'))


@@ -31,13 +36,38 @@
        }
 
        // Show / use polygons
        }
 
        // Show / use polygons

-       $bShowPolygons = isset($_GET['polygon']) && $_GET['polygon'];
+       $bShowPolygons = (boolean)isset($_GET['polygon']) && $_GET['polygon'];
+    if ($sOutputFormat == 'html') {
+               $bAsText = $bShowPolygons;
+               $bShowPolygons = false;
+               $bAsGeoJSON = false;
+               $bAsKML = false;
+               $bAsSVG = false;
+       } else {
+               $bAsGeoJSON = (boolean)isset($_GET['polygon_geojson']) && $_GET['polygon_geojson'];
+               $bAsKML = (boolean)isset($_GET['polygon_kml']) && $_GET['polygon_kml'];
+               $bAsSVG = (boolean)isset($_GET['polygon_svg']) && $_GET['polygon_svg'];
+               $bAsText = (boolean)isset($_GET['polygon_text']) && $_GET['polygon_text'];
+               if ((($bShowPolygons?1:0)
+                  + ($bAsGeoJSON?1:0)
+                  + ($bAsKML?1:0)
+                  + ($bAsSVG?1:0)
+                  + ($bAsText?1:0)
+                       ) > CONST_PolygonOutput_MaximumTypes) {
+                       if (CONST_PolygonOutput_MaximumTypes) {
+                               userError("Select only ".CONST_PolygonOutput_MaximumTypes." polgyon output option");
+                       } else {
+                               userError("Polygon output is disabled");
+                       }
+                       exit;
+               }
+       }

 
        // Show address breakdown
        $bShowAddressDetails = isset($_GET['addressdetails']) && $_GET['addressdetails'];
 
 
        // Show address breakdown
        $bShowAddressDetails = isset($_GET['addressdetails']) && $_GET['addressdetails'];
 

-       // Prefered language    
-       $aLangPrefOrder = getPrefferedLangauges();
+       // Preferred language   
+       $aLangPrefOrder = getPreferredLanguages();

        if (isset($aLangPrefOrder['name:de'])) $bReverseInPlan = true;
        if (isset($aLangPrefOrder['name:ru'])) $bReverseInPlan = true;
        if (isset($aLangPrefOrder['name:ja'])) $bReverseInPlan = true;
        if (isset($aLangPrefOrder['name:de'])) $bReverseInPlan = true;
        if (isset($aLangPrefOrder['name:ru'])) $bReverseInPlan = true;
        if (isset($aLangPrefOrder['name:ja'])) $bReverseInPlan = true;


@@ -53,7 +83,9 @@
                }
        }
 
                }
        }
 

-  // Only certain ranks of feature
+       // Only certain ranks of feature
+       if (isset($_GET['featureType']) && !isset($_GET['featuretype'])) $_GET['featuretype'] = $_GET['featureType'];
+

        if (isset($_GET['featuretype']))
        {
                switch($_GET['featuretype'])
        if (isset($_GET['featuretype']))
        {
                switch($_GET['featuretype'])


@@ -90,22 +122,65 @@
                
        // Search query
        $sQuery = (isset($_GET['q'])?trim($_GET['q']):'');
                
        // Search query
        $sQuery = (isset($_GET['q'])?trim($_GET['q']):'');

-       if (!$sQuery && $_SERVER['PATH_INFO'] && $_SERVER['PATH_INFO'][0] == '/')
+       if (!$sQuery && isset($_SERVER['PATH_INFO']) && $_SERVER['PATH_INFO'][0] == '/')

        {
                $sQuery = substr($_SERVER['PATH_INFO'], 1);
 
        {
                $sQuery = substr($_SERVER['PATH_INFO'], 1);
 

-               // reverse order of '/' seperated string
+               // reverse order of '/' separated string

                $aPhrases = explode('/', $sQuery);              
                $aPhrases = array_reverse($aPhrases); 
                $sQuery = join(', ',$aPhrases);
        }
 
                $aPhrases = explode('/', $sQuery);              
                $aPhrases = array_reverse($aPhrases); 
                $sQuery = join(', ',$aPhrases);
        }
 

+       function structuredAddressElement(&$aStructuredQuery, &$iMinAddressRank, &$iMaxAddressRank, $aParams, $sKey, $iNewMinAddressRank, $iNewMaxAddressRank)
+       {
+               if (!isset($_GET[$sKey])) return false;
+               $sValue = trim($_GET[$sKey]);
+               if (!$sValue) return false;
+               $aStructuredQuery[$sKey] = $sValue;
+               if ($iMinAddressRank == 0 && $iMaxAddressRank == 30) {
+                       $iMinAddressRank = $iNewMinAddressRank;
+                       $iMaxAddressRank = $iNewMaxAddressRank;
+               }
+               return true;
+       }
+
+       // Structured query?
+       $aStructuredOptions = array(
+                               array('amenity', 26, 30),
+                               array('street', 26, 30),
+                               array('city', 14, 24),
+                               array('county', 9, 13),
+                               array('state', 8, 8),
+                               array('country', 4, 4),
+                               array('postalcode', 16, 25),
+                               );
+       $aStructuredQuery = array();
+       $sAllowedTypesSQLList = '';
+       foreach($aStructuredOptions as $aStructuredOption)
+       {
+               loadStructuredAddressElement($aStructuredQuery, $iMinAddressRank, $iMaxAddressRank, $_GET, $aStructuredOption[0], $aStructuredOption[1], $aStructuredOption[2]);
+       }
+       if (sizeof($aStructuredQuery) > 0) {
+               $sQuery = join(', ', $aStructuredQuery);
+               if ($iMaxAddressRank < 30)
+               {
+                       $sAllowedTypesSQLList = '(\'place\',\'boundary\')';
+               }
+       }
+

        if ($sQuery)
        {
                $hLog = logStart($oDB, 'search', $sQuery, $aLangPrefOrder);
 
                // Hack to make it handle "new york, ny" (and variants) correctly
                 $sQuery = str_ireplace(array('New York, ny','new york, new york', 'New York ny','new york new york'), 'new york city, ny', $sQuery);
        if ($sQuery)
        {
                $hLog = logStart($oDB, 'search', $sQuery, $aLangPrefOrder);
 
                // Hack to make it handle "new york, ny" (and variants) correctly
                 $sQuery = str_ireplace(array('New York, ny','new york, new york', 'New York ny','new york new york'), 'new york city, ny', $sQuery);

+               if (isset($aLangPrefOrder['name:en']))          
+               {
+                       $sQuery = preg_replace('/,\s*il\s*(,|$)/',', illinois\1', $sQuery);
+                       $sQuery = preg_replace('/,\s*al\s*(,|$)/',', alabama\1', $sQuery);
+                       $sQuery = preg_replace('/,\s*la\s*(,|$)/',', louisiana\1', $sQuery);
+               }

 
                // If we have a view box create the SQL
                // Small is the actual view box, Large is double (on each axis) that 
 
                // If we have a view box create the SQL
                // Small is the actual view box, Large is double (on each axis) that 


@@ -126,13 +201,15 @@
                        $aCoOrdinates[1] += $fWidth;
                        $aCoOrdinates[3] -= $fWidth;
                        $sViewboxLargeSQL = "ST_SetSRID(ST_MakeBox2D(ST_Point(".(float)$aCoOrdinates[0].",".(float)$aCoOrdinates[1]."),ST_Point(".(float)$aCoOrdinates[2].",".(float)$aCoOrdinates[3].")),4326)";
                        $aCoOrdinates[1] += $fWidth;
                        $aCoOrdinates[3] -= $fWidth;
                        $sViewboxLargeSQL = "ST_SetSRID(ST_MakeBox2D(ST_Point(".(float)$aCoOrdinates[0].",".(float)$aCoOrdinates[1]."),ST_Point(".(float)$aCoOrdinates[2].",".(float)$aCoOrdinates[3].")),4326)";

+               } else {
+                       $bBoundingBoxSearch = false;

                }
                if (isset($_GET['route']) && $_GET['route'] && isset($_GET['routewidth']) && $_GET['routewidth'])
                {
                        $aPoints = explode(',',$_GET['route']);
                        if (sizeof($aPoints) % 2 != 0)
                        {
                }
                if (isset($_GET['route']) && $_GET['route'] && isset($_GET['routewidth']) && $_GET['routewidth'])
                {
                        $aPoints = explode(',',$_GET['route']);
                        if (sizeof($aPoints) % 2 != 0)
                        {

-                               echo "Uneven number of points";
+                               userError("Uneven number of points");

                                exit;
                        }
                        $sViewboxCentreSQL = "ST_SetSRID('LINESTRING(";
                                exit;
                        }
                        $sViewboxCentreSQL = "ST_SetSRID('LINESTRING(";


@@ -155,8 +232,7 @@
                        $sViewboxSmallSQL = $oDB->getOne($sSQL);
                        if (PEAR::isError($sViewboxSmallSQL))
                        {
                        $sViewboxSmallSQL = $oDB->getOne($sSQL);
                        if (PEAR::isError($sViewboxSmallSQL))
                        {

-                               var_dump($sViewboxSmallSQL);
-                               exit;
+                               failInternalError("Could not get small viewbox.", $sSQL, $sViewboxSmallSQL);

                        }
                        $sViewboxSmallSQL = "'".$sViewboxSmallSQL."'::geometry";
 
                        }
                        $sViewboxSmallSQL = "'".$sViewboxSmallSQL."'::geometry";
 


@@ -164,38 +240,53 @@
                        $sViewboxLargeSQL = $oDB->getOne($sSQL);
                        if (PEAR::isError($sViewboxLargeSQL))
                        {
                        $sViewboxLargeSQL = $oDB->getOne($sSQL);
                        if (PEAR::isError($sViewboxLargeSQL))
                        {

-                               var_dump($sViewboxLargeSQL);
-                               exit;
+                               failInternalError("Could not get large viewbox.", $sSQL, $sViewboxLargeSQL);

                        }
                        $sViewboxLargeSQL = "'".$sViewboxLargeSQL."'::geometry";
                        }
                        $sViewboxLargeSQL = "'".$sViewboxLargeSQL."'::geometry";

+                       $bBoundingBoxSearch = true;

                }
 
                // Do we have anything that looks like a lat/lon pair?
                if (preg_match('/\\b([NS])[ ]+([0-9]+[0-9.]*)[ ]+([0-9.]+)?[, ]+([EW])[ ]+([0-9]+)[ ]+([0-9]+[0-9.]*)?\\b/', $sQuery, $aData))
                {
                }
 
                // Do we have anything that looks like a lat/lon pair?
                if (preg_match('/\\b([NS])[ ]+([0-9]+[0-9.]*)[ ]+([0-9.]+)?[, ]+([EW])[ ]+([0-9]+)[ ]+([0-9]+[0-9.]*)?\\b/', $sQuery, $aData))
                {

-                       $_GET['nearlat'] = ($aData[1]=='N'?1:-1) * ($aData[2] + $aData[3]/60);
-                       $_GET['nearlon'] = ($aData[4]=='E'?1:-1) * ($aData[5] + $aData[6]/60);
-                       $sQuery = trim(str_replace($aData[0], ' ', $sQuery));
+                       $fQueryLat = ($aData[1]=='N'?1:-1) * ($aData[2] + $aData[3]/60);
+                       $fQueryLon = ($aData[4]=='E'?1:-1) * ($aData[5] + $aData[6]/60);
+                       if ($fQueryLat <= 90.1 && $fQueryLat >= -90.1 && $fQueryLon <= 180.1 && $fQueryLon >= -180.1)
+                       {
+                               $_GET['nearlat'] = $fQueryLat;
+                               $_GET['nearlon'] = $fQueryLon;
+                               $sQuery = trim(str_replace($aData[0], ' ', $sQuery));
+                       }

                }
                elseif (preg_match('/\\b([0-9]+)[ ]+([0-9]+[0-9.]*)?[ ]+([NS])[, ]+([0-9]+)[ ]+([0-9]+[0-9.]*)?[ ]+([EW])\\b/', $sQuery, $aData))
                {
                }
                elseif (preg_match('/\\b([0-9]+)[ ]+([0-9]+[0-9.]*)?[ ]+([NS])[, ]+([0-9]+)[ ]+([0-9]+[0-9.]*)?[ ]+([EW])\\b/', $sQuery, $aData))
                {

-                       $_GET['nearlat'] = ($aData[3]=='N'?1:-1) * ($aData[1] + $aData[2]/60);
-                       $_GET['nearlon'] = ($aData[6]=='E'?1:-1) * ($aData[4] + $aData[5]/60);
-                       $sQuery = trim(str_replace($aData[0], ' ', $sQuery));
+                       $fQueryLat = ($aData[3]=='N'?1:-1) * ($aData[1] + $aData[2]/60);
+                       $fQueryLon = ($aData[6]=='E'?1:-1) * ($aData[4] + $aData[5]/60);
+                       if ($fQueryLat <= 90.1 && $fQueryLat >= -90.1 && $fQueryLon <= 180.1 && $fQueryLon >= -180.1)
+                       {
+                               $_GET['nearlat'] = $fQueryLat;
+                               $_GET['nearlon'] = $fQueryLon;
+                               $sQuery = trim(str_replace($aData[0], ' ', $sQuery));
+                       }

                }
                }

-               elseif (preg_match('/(\\[|\\b)(-?[0-9]+[0-9.]*)[, ]+(-?[0-9]+[0-9.]*)(\\]|\\b])/', $sQuery, $aData))
+               elseif (preg_match('/(\\[|^|\\b)(-?[0-9]+[0-9.]*)[, ]+(-?[0-9]+[0-9.]*)(\\]|$|\\b)/', $sQuery, $aData))

                {
                {

-                       $_GET['nearlat'] = $aData[2];
-                       $_GET['nearlon'] = $aData[3];
-                       $sQuery = trim(str_replace($aData[0], ' ', $sQuery));
+                       $fQueryLat = $aData[2];
+                       $fQueryLon = $aData[3];
+                       if ($fQueryLat <= 90.1 && $fQueryLat >= -90.1 && $fQueryLon <= 180.1 && $fQueryLon >= -180.1)
+                       {
+                               $_GET['nearlat'] = $fQueryLat;
+                               $_GET['nearlon'] = $fQueryLon;
+                               $sQuery = trim(str_replace($aData[0], ' ', $sQuery));
+                       }

                }
 
                }
 

-               if ($sQuery)
+               if ($sQuery || $aStructuredQuery)

                {
                {

-

                        // Start with a blank search
                        $aSearches = array(
                                array('iSearchRank' => 0, 'iNamePhrase' => -1, 'sCountryCode' => false, 'aName'=>array(), 'aAddress'=>array(), 
                        // Start with a blank search
                        $aSearches = array(
                                array('iSearchRank' => 0, 'iNamePhrase' => -1, 'sCountryCode' => false, 'aName'=>array(), 'aAddress'=>array(), 

+                                       'aNameNonSearch'=>array(), 'aAddressNonSearch'=>array(),

                                        'sOperator'=>'', 'aFeatureName' => array(), 'sClass'=>'', 'sType'=>'', 'sHouseNumber'=>'', 'fLat'=>'', 'fLon'=>'', 'fRadius'=>'')
                        );
 
                                        'sOperator'=>'', 'aFeatureName' => array(), 'sClass'=>'', 'sType'=>'', 'sHouseNumber'=>'', 'fLat'=>'', 'fLon'=>'', 'fRadius'=>'')
                        );
 


@@ -219,19 +310,25 @@
 
                        preg_match_all('/\\[([a-zA-Z]*)\\]/', $sQuery, $aSpecialTermsRaw, PREG_SET_ORDER);
                        $aSpecialTerms = array();
 
                        preg_match_all('/\\[([a-zA-Z]*)\\]/', $sQuery, $aSpecialTermsRaw, PREG_SET_ORDER);
                        $aSpecialTerms = array();

+                       if (isset($aStructuredQuery['amenity']) && $aStructuredQuery['amenity'])
+                       {
+                               $aSpecialTermsRaw[] = array('['.$aStructuredQuery['amenity'].']', $aStructuredQuery['amenity']);
+                               unset($aStructuredQuery['amenity']);
+                       }

                        foreach($aSpecialTermsRaw as $aSpecialTerm)
                        {
                                $sQuery = str_replace($aSpecialTerm[0], ' ', $sQuery);
                                $sToken = $oDB->getOne("select make_standard_name('".$aSpecialTerm[1]."') as string");
                                $sSQL = 'select * from (select word_id,word_token, word, class, type, location, country_code, operator';
                        foreach($aSpecialTermsRaw as $aSpecialTerm)
                        {
                                $sQuery = str_replace($aSpecialTerm[0], ' ', $sQuery);
                                $sToken = $oDB->getOne("select make_standard_name('".$aSpecialTerm[1]."') as string");
                                $sSQL = 'select * from (select word_id,word_token, word, class, type, location, country_code, operator';

-                               $sSQL .= ' from word where word_token in (\' '.$sToken.'\')) as x where (class is not null and class not in (\'place\',\'highway\')) or country_code is not null';
+                               $sSQL .= ' from word where word_token in (\' '.$sToken.'\')) as x where (class is not null and class not in (\'place\')) or country_code is not null';
+                               if (CONST_Debug) var_Dump($sSQL);

                                $aSearchWords = $oDB->getAll($sSQL);
                                $aNewSearches = array();
                                foreach($aSearches as $aSearch)
                                {
                                        foreach($aSearchWords as $aSearchTerm)
                                        {
                                $aSearchWords = $oDB->getAll($sSQL);
                                $aNewSearches = array();
                                foreach($aSearches as $aSearch)
                                {
                                        foreach($aSearchWords as $aSearchTerm)
                                        {

-                                               $aNewSearch = $aSearch;                 
+                                               $aNewSearch = $aSearch;

                                                if ($aSearchTerm['country_code'])
                                                {
                                                        $aNewSearch['sCountryCode'] = strtolower($aSearchTerm['country_code']);
                                                if ($aSearchTerm['country_code'])
                                                {
                                                        $aNewSearch['sCountryCode'] = strtolower($aSearchTerm['country_code']);


@@ -252,7 +349,17 @@
 
                        // Split query into phrases
                        // Commas are used to reduce the search space by indicating where phrases split
 
                        // Split query into phrases
                        // Commas are used to reduce the search space by indicating where phrases split

-                       $aPhrases = explode(',',$sQuery);
+                       if (sizeof($aStructuredQuery) > 0)
+                       {
+                               $aPhrases = $aStructuredQuery;
+                               $bStructuredPhrases = true;
+                       }
+                       else
+                       {
+                               $aPhrases = explode(',',$sQuery);
+                               $bStructuredPhrases = false;
+                       }
+

 
                        // Convert each phrase to standard form
                        // Create a list of standard words
 
                        // Convert each phrase to standard form
                        // Create a list of standard words


@@ -264,7 +371,8 @@
                                $aPhrase = $oDB->getRow("select make_standard_name('".pg_escape_string($sPhrase)."') as string");
                                if (PEAR::isError($aPhrase))
                                {
                                $aPhrase = $oDB->getRow("select make_standard_name('".pg_escape_string($sPhrase)."') as string");
                                if (PEAR::isError($aPhrase))
                                {

-                                       var_dump($aPhrase);
+                                       userError("Illegal query string (not an UTF-8 string): ".$sPhrase);
+                                       if (CONST_Debug) var_dump($aPhrase);

                                        exit;
                                }
                                if (trim($aPhrase['string']))
                                        exit;
                                }
                                if (trim($aPhrase['string']))


@@ -278,18 +386,19 @@
                                {
                                        unset($aPhrases[$iPhrase]);
                                }
                                {
                                        unset($aPhrases[$iPhrase]);
                                }

-                       }                       
+                       }

 
                        // reindex phrases - we make assumptions later on
 
                        // reindex phrases - we make assumptions later on

+                       $aPhraseTypes = array_keys($aPhrases);

                        $aPhrases = array_values($aPhrases);
 
                        if (sizeof($aTokens))
                        {
 
                        // Check which tokens we have, get the ID numbers                       
                        $aPhrases = array_values($aPhrases);
 
                        if (sizeof($aTokens))
                        {
 
                        // Check which tokens we have, get the ID numbers                       

-                       $sSQL = 'select word_id,word_token, word, class, type, location, country_code, operator';
+                       $sSQL = 'select word_id,word_token, word, class, type, location, country_code, operator, search_name_count';

                        $sSQL .= ' from word where word_token in ('.join(',',array_map("getDBQuoted",$aTokens)).')';
                        $sSQL .= ' from word where word_token in ('.join(',',array_map("getDBQuoted",$aTokens)).')';

-                       $sSQL .= ' and (class is null or class not in (\'highway\'))';
+//                     $sSQL .= ' and search_name_count < '.CONST_Max_Word_Frequency;

 //                     $sSQL .= ' group by word_token, word, class, type, location, country_code';
 
                        if (CONST_Debug) var_Dump($sSQL);
 //                     $sSQL .= ' group by word_token, word, class, type, location, country_code';
 
                        if (CONST_Debug) var_Dump($sSQL);


@@ -301,12 +410,19 @@
                                $aDatabaseWords = array();
                        if (PEAR::IsError($aDatabaseWords))
                        {
                                $aDatabaseWords = array();
                        if (PEAR::IsError($aDatabaseWords))
                        {

-                               var_dump($sSQL, $aDatabaseWords);
-                               exit;
+                               failInternalError("Could not get word tokens.", $sSQL, $aDatabaseWords);

                        }
                        $aPossibleMainWordIDs = array();
                        }
                        $aPossibleMainWordIDs = array();

+                       $aWordFrequencyScores = array();

                        foreach($aDatabaseWords as $aToken)
                        {
                        foreach($aDatabaseWords as $aToken)
                        {

+                               // Very special case - require 2 letter country param to match the country code found
+                               if ($bStructuredPhrases && $aToken['country_code'] && !empty($aStructuredQuery['country']) 
+                                  && strlen($aStructuredQuery['country']) == 2 && strtolower($aStructuredQuery['country']) != $aToken['country_code'])
+                               {
+                                       continue;
+                               }
+

                                if (isset($aValidTokens[$aToken['word_token']]))
                                {
                                        $aValidTokens[$aToken['word_token']][] = $aToken;
                                if (isset($aValidTokens[$aToken['word_token']]))
                                {
                                        $aValidTokens[$aToken['word_token']][] = $aToken;


@@ -316,6 +432,7 @@
                                        $aValidTokens[$aToken['word_token']] = array($aToken);
                                }
                                if ($aToken['word_token'][0]==' ' && !$aToken['class'] && !$aToken['country_code']) $aPossibleMainWordIDs[$aToken['word_id']] = 1;
                                        $aValidTokens[$aToken['word_token']] = array($aToken);
                                }
                                if ($aToken['word_token'][0]==' ' && !$aToken['class'] && !$aToken['country_code']) $aPossibleMainWordIDs[$aToken['word_id']] = 1;

+                               $aWordFrequencyScores[$aToken['word_id']] = $aToken['search_name_count'] + 1;

                        }
                        if (CONST_Debug) var_Dump($aPhrases, $aValidTokens);
 
                        }
                        if (CONST_Debug) var_Dump($aPhrases, $aValidTokens);
 


@@ -347,11 +464,12 @@
                                }
                        }
                        if ($bSuggestion) $sSuggestion = join(', ',$aSuggestion);
                                }
                        }
                        if ($bSuggestion) $sSuggestion = join(', ',$aSuggestion);

-/*
+

                        // Try and calculate GB postcodes we might be missing
                        foreach($aTokens as $sToken)
                        {
                        // Try and calculate GB postcodes we might be missing
                        foreach($aTokens as $sToken)
                        {

-                               if (!isset($aValidTokens[$sToken]) && !isset($aValidTokens[' '.$sToken]) && preg_match('/^([A-Z][A-Z]?[0-9][0-9A-Z]? ?[0-9])([A-Z][A-Z])$/', strtoupper(trim($sToken)), $aData))
+                               // Source of gb postcodes is now definitive - always use
+                               if (preg_match('/^([A-Z][A-Z]?[0-9][0-9A-Z]? ?[0-9])([A-Z][A-Z])$/', strtoupper(trim($sToken)), $aData))

                                {
                                        if (substr($aData[1],-2,1) != ' ')
                                        {
                                {
                                        if (substr($aData[1],-2,1) != ' ')
                                        {


@@ -365,7 +483,16 @@
                                        }
                                }
                        }
                                        }
                                }
                        }

-*/
+
+                       foreach($aTokens as $sToken)
+                       {
+                               // Unknown single word token with a number - assume it is a house number
+                               if (!isset($aValidTokens[' '.$sToken]) && strpos($sToken,' ') === false && preg_match('/[0-9]/', $sToken))
+                               {
+                                       $aValidTokens[' '.$sToken] = array(array('class'=>'place','type'=>'house'));
+                               }
+                       }
+

                        // Any words that have failed completely?
                        // TODO: suggestions
 
                        // Any words that have failed completely?
                        // TODO: suggestions
 


@@ -376,29 +503,30 @@
                                Calculate all searches using aValidTokens i.e.
 
                                'Wodsworth Road, Sheffield' =>
                                Calculate all searches using aValidTokens i.e.
 
                                'Wodsworth Road, Sheffield' =>

-                                       
+

                                Phrase Wordset
                                0      0       (wodsworth road)
                                0      1       (wodsworth)(road)
                                1      0       (sheffield)
                                Phrase Wordset
                                0      0       (wodsworth road)
                                0      1       (wodsworth)(road)
                                1      0       (sheffield)

-                               
+

                                Score how good the search is so they can be ordered
                        */
                                Score how good the search is so they can be ordered
                        */

-

                                foreach($aPhrases as $iPhrase => $sPhrase)
                                {
                                        $aNewPhraseSearches = array();
                                foreach($aPhrases as $iPhrase => $sPhrase)
                                {
                                        $aNewPhraseSearches = array();

+                                       if ($bStructuredPhrases) $sPhraseType = $aPhraseTypes[$iPhrase];
+                                       else $sPhraseType = '';

 
 

-                                       foreach($aPhrases[$iPhrase]['wordsets'] as $iWordset => $aWordset)
+                                       foreach($aPhrases[$iPhrase]['wordsets'] as $aWordset)

                                        {
                                                $aWordsetSearches = $aSearches;
 
                                                // Add all words from this wordset
                                        {
                                                $aWordsetSearches = $aSearches;
 
                                                // Add all words from this wordset

-                                               foreach($aWordset as $sToken)
+                                               foreach($aWordset as $iToken => $sToken)

                                                {
 //echo "<br><b>$sToken</b>";
                                                        $aNewWordsetSearches = array();
                                                {
 //echo "<br><b>$sToken</b>";
                                                        $aNewWordsetSearches = array();

-                                                       
+

                                                        foreach($aWordsetSearches as $aCurrentSearch)
                                                        {
 //echo "<i>";
                                                        foreach($aWordsetSearches as $aCurrentSearch)
                                                        {
 //echo "<i>";


@@ -412,17 +540,22 @@
                                                                        {
                                                                                $aSearch = $aCurrentSearch;
                                                                                $aSearch['iSearchRank']++;
                                                                        {
                                                                                $aSearch = $aCurrentSearch;
                                                                                $aSearch['iSearchRank']++;

-                                                                               if ($aSearchTerm['country_code'] !== null && $aSearchTerm['country_code'] != '0')
+                                                                               if (($sPhraseType == '' || $sPhraseType == 'country') && !empty($aSearchTerm['country_code']) && $aSearchTerm['country_code'] != '0')

                                                                                {
                                                                                        if ($aSearch['sCountryCode'] === false)
                                                                                        {
                                                                                                $aSearch['sCountryCode'] = strtolower($aSearchTerm['country_code']);
                                                                                {
                                                                                        if ($aSearch['sCountryCode'] === false)
                                                                                        {
                                                                                                $aSearch['sCountryCode'] = strtolower($aSearchTerm['country_code']);

-                                                                                               // Country is almost always at the end of the string - increase score for finding it anywhere else (opimisation)
-                                                                                               if ($iWordset+1 != sizeof($aPhrases[$iPhrase]['wordsets']) || $iPhrase+1 != sizeof($aPhrases)) $aSearch['iSearchRank'] += 5;
+                                                                                               // Country is almost always at the end of the string - increase score for finding it anywhere else (optimisation)
+                                                                                               // If reverse order is enabled, it may appear at the beginning as well.
+                                                                                               if (($iToken+1 != sizeof($aWordset) || $iPhrase+1 != sizeof($aPhrases)) &&
+                                                                                                               (!$bReverseInPlan || $iToken > 0 || $iPhrase > 0))
+                                                                                               {
+                                                                                                       $aSearch['iSearchRank'] += 5;
+                                                                                               }

                                                                                                if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
                                                                                        }
                                                                                }
                                                                                                if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
                                                                                        }
                                                                                }

-                                                                               elseif ($aSearchTerm['lat'] !== '' && $aSearchTerm['lat'] !== null)
+                                                                               elseif (isset($aSearchTerm['lat']) && $aSearchTerm['lat'] !== '' && $aSearchTerm['lat'] !== null)

                                                                                {
                                                                                        if ($aSearch['fLat'] === '')
                                                                                        {
                                                                                {
                                                                                        if ($aSearch['fLat'] === '')
                                                                                        {


@@ -432,7 +565,7 @@
                                                                                                if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
                                                                                        }
                                                                                }
                                                                                                if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
                                                                                        }
                                                                                }

-                                                                               elseif ($aSearchTerm['class'] == 'place' && $aSearchTerm['type'] == 'house')
+                                                                               elseif (($sPhraseType == '' || $sPhraseType == 'street') && $aSearchTerm['class'] == 'place' && $aSearchTerm['type'] == 'house')

                                                                                {
                                                                                        if ($aSearch['sHouseNumber'] === '')
                                                                                        {
                                                                                {
                                                                                        if ($aSearch['sHouseNumber'] === '')
                                                                                        {


@@ -446,7 +579,7 @@
 */
                                                                                        }
                                                                                }
 */
                                                                                        }
                                                                                }

-                                                                               elseif ($aSearchTerm['class'] !== '' && $aSearchTerm['class'] !== null)
+                                                                               elseif ($sPhraseType == '' && $aSearchTerm['class'] !== '' && $aSearchTerm['class'] !== null)

                                                                                {
                                                                                        if ($aSearch['sClass'] === '')
                                                                                        {
                                                                                {
                                                                                        if ($aSearch['sClass'] === '')
                                                                                        {


@@ -471,11 +604,11 @@
                                                                                                if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
                                                                                        }
                                                                                }
                                                                                                if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
                                                                                        }
                                                                                }

-                                                                               else
+                                                                               elseif (isset($aSearchTerm['word_id']) && $aSearchTerm['word_id'])

                                                                                {
                                                                                        if (sizeof($aSearch['aName']))
                                                                                        {
                                                                                {
                                                                                        if (sizeof($aSearch['aName']))
                                                                                        {

-                                                                                               if (!isset($aValidTokens[$sToken]) || strlen($sToken) < 4 || strpos($sToken, ' ') !== false)
+                                                                                               if ((!$bStructuredPhrases || $iPhrase > 0) && $sPhraseType != 'country' && (!isset($aValidTokens[$sToken]) || strlen($sToken) < 4 || strpos($sToken, ' ') !== false))

                                                                                                {
                                                                                                        $aSearch['aAddress'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
                                                                                                }
                                                                                                {
                                                                                                        $aSearch['aAddress'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
                                                                                                }


@@ -498,24 +631,51 @@
                                                                        // Allow searching for a word - but at extra cost
                                                                        foreach($aValidTokens[$sToken] as $aSearchTerm)
                                                                        {
                                                                        // Allow searching for a word - but at extra cost
                                                                        foreach($aValidTokens[$sToken] as $aSearchTerm)
                                                                        {

-//var_Dump('<hr>',$aSearch['aName']);
-
-                                                                               if (sizeof($aCurrentSearch['aName'])  && strlen($sToken) >= 4)
+                                                                               if (isset($aSearchTerm['word_id']) && $aSearchTerm['word_id'])

                                                                                {
                                                                                {

-                                                                               $aSearch = $aCurrentSearch;
-                                                                                       $aSearch['iSearchRank'] += 1;
-                                                                                       $aSearch['aAddress'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
-                                                                               if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
-                                                                               }
+                                                                                       if ((!$bStructuredPhrases || $iPhrase > 0) && sizeof($aCurrentSearch['aName']) && strlen($sToken) >= 4)
+                                                                                       {
+                                                                                               $aSearch = $aCurrentSearch;
+                                                                                               $aSearch['iSearchRank'] += 1;
+                                                                                               if ($aWordFrequencyScores[$aSearchTerm['word_id']] < CONST_Max_Word_Frequency)
+                                                                                               {
+                                                                                                       $aSearch['aAddress'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
+                                                                                                       if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
+                                                                                               }
+                                                                                               elseif (isset($aValidTokens[' '.$sToken])) // revert to the token version?
+                                                                                               {
+                                                                                                       foreach($aValidTokens[' '.$sToken] as $aSearchTermToken)
+                                                                                                       {
+                                                                                                               if (empty($aSearchTermToken['country_code']) 
+                                                                                                                       && empty($aSearchTermToken['lat'])
+                                                                                                                       && empty($aSearchTermToken['class']))
+                                                                                                               {
+                                                                                                                       $aSearch = $aCurrentSearch;
+                                                                                                                       $aSearch['iSearchRank'] += 1;
+                                                                                                                       $aSearch['aAddress'][$aSearchTermToken['word_id']] = $aSearchTermToken['word_id'];
+                                                                                                                       if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
+                                                                                                               }
+                                                                                                       }
+                                                                                               }
+                                                                                               else
+                                                                                               {
+                                                                                                       $aSearch['aAddressNonSearch'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
+                                                                                                       if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
+                                                                                               }
+                                                                                       }

 
 

-                                                                               if (!sizeof($aCurrentSearch['aName']) || $aCurrentSearch['iNamePhrase'] == $iPhrase)
-                                                                               {
-                                                                               $aSearch = $aCurrentSearch;
-                                                                                       $aSearch['iSearchRank'] += 2;
-                                                                                       if (preg_match('#^[0-9]+$#', $sToken)) $aSearch['iSearchRank'] += 2;
-                                                                                       $aSearch['aName'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
-                                                                                       $aSearch['iNamePhrase'] = $iPhrase;
-                                                                               if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
+                                                                                       if (!sizeof($aCurrentSearch['aName']) || $aCurrentSearch['iNamePhrase'] == $iPhrase)
+                                                                                       {
+                                                                                               $aSearch = $aCurrentSearch;
+                                                                                               $aSearch['iSearchRank'] += 2;
+                                                                                               if (preg_match('#^[0-9]+$#', $sToken)) $aSearch['iSearchRank'] += 2;
+                                                                                               if ($aWordFrequencyScores[$aSearchTerm['word_id']] < CONST_Max_Word_Frequency)
+                                                                                                       $aSearch['aName'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
+                                                                                               else
+                                                                                                       $aSearch['aNameNonSearch'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
+                                                                                               $aSearch['iNamePhrase'] = $iPhrase;
+                                                                                               if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
+                                                                                       }

                                                                                }
                                                                        }
                                                                }
                                                                                }
                                                                        }
                                                                }


@@ -618,6 +778,42 @@
                                        }
                                }
 
                                        }
                                }
 

+                               if (CONST_Search_TryDroppedAddressTerms && sizeof($aStructuredQuery) > 0)
+                               {
+                                       $aCopyGroupedSearches = $aGroupedSearches;
+                                       foreach($aCopyGroupedSearches as $iGroup => $aSearches)
+                                       {
+                                               foreach($aSearches as $iSearch => $aSearch)
+                                               {
+                                                       $aReductionsList = array($aSearch['aAddress']);
+                                                       $iSearchRank = $aSearch['iSearchRank'];
+                                                       while(sizeof($aReductionsList) > 0)
+                                                       {
+                                                               $iSearchRank += 5;
+                                                               if ($iSearchRank > iMaxRank) break 3;
+                                                               $aNewReductionsList = array();
+                                                               foreach($aReductionsList as $aReductionsWordList)
+                                                               {
+                                                                       for ($iReductionWord = 0; $iReductionWord < sizeof($aReductionsWordList); $iReductionWord++)
+                                                                       {
+                                                                               $aReductionsWordListResult = array_merge(array_slice($aReductionsWordList, 0, $iReductionWord), array_slice($aReductionsWordList, $iReductionWord+1));
+                                                                               $aReverseSearch = $aSearch;
+                                                                               $aSearch['aAddress'] = $aReductionsWordListResult;
+                                                                               $aSearch['iSearchRank'] = $iSearchRank;
+                                                                               $aGroupedSearches[$iSearchRank][] = $aReverseSearch;
+                                                                               if (sizeof($aReductionsWordListResult) > 0)
+                                                                               {
+                                                                                       $aNewReductionsList[] = $aReductionsWordListResult;
+                                                                               }
+                                                                       }
+                                                               }
+                                                               $aReductionsList = $aNewReductionsList;
+                                                       }
+                                               }
+                                       }
+                                       ksort($aGroupedSearches);
+                               }
+

                                // Filter out duplicate searches
                                $aSearchHash = array();
                                foreach($aGroupedSearches as $iGroup => $aSearches)
                                // Filter out duplicate searches
                                $aSearchHash = array();
                                foreach($aGroupedSearches as $iGroup => $aSearches)


@@ -648,14 +844,21 @@
                                        {
                                                $iQueryLoop++;
 
                                        {
                                                $iQueryLoop++;
 

+                                               if (CONST_Debug) { echo "<hr><b>Search Loop, group $iGroupLoop, loop $iQueryLoop</b>"; }
+                                               if (CONST_Debug) _debugDumpGroupedSearches(array($iGroupedRank => array($aSearch)), $aValidTokens);
+
+

                                                // Must have a location term
                                                if (!sizeof($aSearch['aName']) && !sizeof($aSearch['aAddress']) && !$aSearch['fLon'])
                                                {
                                                // Must have a location term
                                                if (!sizeof($aSearch['aName']) && !sizeof($aSearch['aAddress']) && !$aSearch['fLon'])
                                                {

-                                                       if ($aSearch['sCountryCode'] && !$aSearch['sClass'])
+                                                       if ($aSearch['sCountryCode'] && !$aSearch['sClass'] && !$aSearch['sHouseNumber'])

                                                        {
                                                                if (4 >= $iMinAddressRank && 4 <= $iMaxAddressRank)
                                                                {
                                                        {
                                                                if (4 >= $iMinAddressRank && 4 <= $iMaxAddressRank)
                                                                {

-                                                                       $sSQL = "select place_id from placex where country_code='".$aSearch['sCountryCode']."' and rank_search = 4 order by st_area(geometry) desc limit 1";
+                                                                       $sSQL = "select place_id from placex where calculated_country_code='".$aSearch['sCountryCode']."' and rank_search = 4";
+                                                                       if ($sCountryCodesSQL) $sSQL .= " and calculated_country_code in ($sCountryCodesSQL)";
+                                                                       $sSQL .= " order by st_area(geometry) desc limit 1";
+                                                                       if (CONST_Debug) var_dump($sSQL);

                                                                        $aPlaceIDs = $oDB->getCol($sSQL);
                                                                }
                                                        }
                                                                        $aPlaceIDs = $oDB->getCol($sSQL);
                                                                }
                                                        }


@@ -663,28 +866,32 @@
                                                        {
                                                                if (!$bBoundingBoxSearch && !$aSearch['fLon']) continue;
                                                                if (!$aSearch['sClass']) continue;
                                                        {
                                                                if (!$bBoundingBoxSearch && !$aSearch['fLon']) continue;
                                                                if (!$aSearch['sClass']) continue;

-                                                               if (CONST_Debug) var_dump('<hr>',$aSearch);
-                                                               if (CONST_Debug) _debugDumpGroupedSearches(array($iGroupedRank => array($aSearch)), $aValidTokens);     
-

                                                                $sSQL = "select count(*) from pg_tables where tablename = 'place_classtype_".$aSearch['sClass']."_".$aSearch['sType']."'";
                                                                if ($oDB->getOne($sSQL))
                                                                {
                                                                $sSQL = "select count(*) from pg_tables where tablename = 'place_classtype_".$aSearch['sClass']."_".$aSearch['sType']."'";
                                                                if ($oDB->getOne($sSQL))
                                                                {

-                                                               $sSQL = "select place_id from place_classtype_".$aSearch['sClass']."_".$aSearch['sType'];                                                               
+                                                               $sSQL = "select place_id from place_classtype_".$aSearch['sClass']."_".$aSearch['sType']." ct";

                                                                if ($sCountryCodesSQL) $sSQL .= " join placex using (place_id)";
                                                                if ($sCountryCodesSQL) $sSQL .= " join placex using (place_id)";

-                                                               $sSQL .= " where st_contains($sViewboxSmallSQL, centroid)";
-                                                               if ($sCountryCodesSQL) $sSQL .= " and country_code in ($sCountryCodesSQL)";                                                             
-                                                               if ($sViewboxCentreSQL) $sSQL .= " order by st_distance($sViewboxCentreSQL, centroid) asc";
+                                                               $sSQL .= " where st_contains($sViewboxSmallSQL, ct.centroid)";
+                                                               if ($sCountryCodesSQL) $sSQL .= " and calculated_country_code in ($sCountryCodesSQL)";
+                                                               if (sizeof($aExcludePlaceIDs))
+                                                               {
+                                                                       $sSQL .= " and place_id not in (".join(',',$aExcludePlaceIDs).")";
+                                                               }
+                                                               if ($sViewboxCentreSQL) $sSQL .= " order by st_distance($sViewboxCentreSQL, ct.centroid) asc";

                                                                $sSQL .= " limit $iLimit";
                                                                if (CONST_Debug) var_dump($sSQL);
                                                                $aPlaceIDs = $oDB->getCol($sSQL);
 
                                                                $sSQL .= " limit $iLimit";
                                                                if (CONST_Debug) var_dump($sSQL);
                                                                $aPlaceIDs = $oDB->getCol($sSQL);
 

-                                                               if (!sizeof($aPlaceIDs))
+                                                               // If excluded place IDs are given, it is fair to assume that
+                                                               // there have been results in the small box, so no further
+                                                               // expansion in that case.
+                                                               if (!sizeof($aPlaceIDs) && !sizeof($aExcludePlaceIDs))

                                                                {
                                                                {

-                                                                       $sSQL = "select place_id from place_classtype_".$aSearch['sClass']."_".$aSearch['sType'];                                                               
+                                                                       $sSQL = "select place_id from place_classtype_".$aSearch['sClass']."_".$aSearch['sType']." ct";

                                                                        if ($sCountryCodesSQL) $sSQL .= " join placex using (place_id)";
                                                                        if ($sCountryCodesSQL) $sSQL .= " join placex using (place_id)";

-                                                                       $sSQL .= " where st_contains($sViewboxLargeSQL, centroid)";
-                                                                       if ($sCountryCodesSQL) $sSQL .= " and country_code in ($sCountryCodesSQL)";                                                             
-                                                                       if ($sViewboxCentreSQL) $sSQL .= " order by st_distance($sViewboxCentreSQL, centroid) asc";
+                                                                       $sSQL .= " where st_contains($sViewboxLargeSQL, ct.centroid)";
+                                                                       if ($sCountryCodesSQL) $sSQL .= " and calculated_country_code in ($sCountryCodesSQL)";
+                                                                       if ($sViewboxCentreSQL) $sSQL .= " order by st_distance($sViewboxCentreSQL, ct.centroid) asc";

                                                                        $sSQL .= " limit $iLimit";
                                                                        if (CONST_Debug) var_dump($sSQL);
                                                                        $aPlaceIDs = $oDB->getCol($sSQL);
                                                                        $sSQL .= " limit $iLimit";
                                                                        if (CONST_Debug) var_dump($sSQL);
                                                                        $aPlaceIDs = $oDB->getCol($sSQL);


@@ -693,8 +900,8 @@
                                                        else
                                                        {
                                                                $sSQL = "select place_id from placex where class='".$aSearch['sClass']."' and type='".$aSearch['sType']."'";
                                                        else
                                                        {
                                                                $sSQL = "select place_id from placex where class='".$aSearch['sClass']."' and type='".$aSearch['sType']."'";

-                                                               $sSQL .= " and st_contains($sViewboxSmallSQL, centroid)";
-                                                               if ($sCountryCodesSQL) $sSQL .= " and country_code in ($sCountryCodesSQL)";                                                             
+                                                               $sSQL .= " and st_contains($sViewboxSmallSQL, geometry) and linked_place_id is null";
+                                                               if ($sCountryCodesSQL) $sSQL .= " and calculated_country_code in ($sCountryCodesSQL)";

                                                                if ($sViewboxCentreSQL) $sSQL .= " order by st_distance($sViewboxCentreSQL, centroid) asc";
                                                                $sSQL .= " limit $iLimit";
                                                                if (CONST_Debug) var_dump($sSQL);
                                                                if ($sViewboxCentreSQL) $sSQL .= " order by st_distance($sViewboxCentreSQL, centroid) asc";
                                                                $sSQL .= " limit $iLimit";
                                                                if (CONST_Debug) var_dump($sSQL);


@@ -704,15 +911,31 @@
                                                }
                                                else
                                                {
                                                }
                                                else
                                                {

-                                                       if (CONST_Debug) var_dump('<hr>',$aSearch);
-                                                       if (CONST_Debug) _debugDumpGroupedSearches(array($iGroupedRank => array($aSearch)), $aValidTokens);     

                                                        $aPlaceIDs = array();
                                                        $aPlaceIDs = array();

-                                               
+

                                                        // First we need a position, either aName or fLat or both
                                                        $aTerms = array();
                                                        $aOrder = array();
                                                        // First we need a position, either aName or fLat or both
                                                        $aTerms = array();
                                                        $aOrder = array();

+
+                                                       // TODO: filter out the pointless search terms (2 letter name tokens and less)
+                                                       // they might be right - but they are just too darned expensive to run

                                                        if (sizeof($aSearch['aName'])) $aTerms[] = "name_vector @> ARRAY[".join($aSearch['aName'],",")."]";
                                                        if (sizeof($aSearch['aName'])) $aTerms[] = "name_vector @> ARRAY[".join($aSearch['aName'],",")."]";

-                                                       if (sizeof($aSearch['aAddress']) && $aSearch['aName'] != $aSearch['aAddress']) $aTerms[] = "nameaddress_vector @> ARRAY[".join($aSearch['aAddress'],",")."]";
+                                                       if (sizeof($aSearch['aNameNonSearch'])) $aTerms[] = "array_cat(name_vector,ARRAY[]::integer[]) @> ARRAY[".join($aSearch['aNameNonSearch'],",")."]";
+                                                       if (sizeof($aSearch['aAddress']) && $aSearch['aName'] != $aSearch['aAddress']) 
+                                                       {
+                                                               // For infrequent name terms disable index usage for address
+                                                               if (CONST_Search_NameOnlySearchFrequencyThreshold && 
+                                                                       sizeof($aSearch['aName']) == 1 && 
+                                                                       $aWordFrequencyScores[$aSearch['aName'][reset($aSearch['aName'])]] < CONST_Search_NameOnlySearchFrequencyThreshold)
+                                                               {
+                                                                       $aTerms[] = "array_cat(nameaddress_vector,ARRAY[]::integer[]) @> ARRAY[".join(array_merge($aSearch['aAddress'],$aSearch['aAddressNonSearch']),",")."]";
+                                                               }
+                                                               else
+                                                               {
+                                                                       $aTerms[] = "nameaddress_vector @> ARRAY[".join($aSearch['aAddress'],",")."]";
+                                                                       if (sizeof($aSearch['aAddressNonSearch'])) $aTerms[] = "array_cat(nameaddress_vector,ARRAY[]::integer[]) @> ARRAY[".join($aSearch['aAddressNonSearch'],",")."]";
+                                                               }
+                                                       }

                                                        if ($aSearch['sCountryCode']) $aTerms[] = "country_code = '".pg_escape_string($aSearch['sCountryCode'])."'";
                                                        if ($aSearch['sHouseNumber']) $aTerms[] = "address_rank in (26,27)";
                                                        if ($aSearch['fLon'] && $aSearch['fLat'])
                                                        if ($aSearch['sCountryCode']) $aTerms[] = "country_code = '".pg_escape_string($aSearch['sCountryCode'])."'";
                                                        if ($aSearch['sHouseNumber']) $aTerms[] = "address_rank in (26,27)";
                                                        if ($aSearch['fLon'] && $aSearch['fLat'])


@@ -732,7 +955,7 @@
                                                        if ($bBoundingBoxSearch) $aTerms[] = "centroid && $sViewboxSmallSQL";
                                                        if ($sNearPointSQL) $aOrder[] = "ST_Distance($sNearPointSQL, centroid) asc";
 
                                                        if ($bBoundingBoxSearch) $aTerms[] = "centroid && $sViewboxSmallSQL";
                                                        if ($sNearPointSQL) $aOrder[] = "ST_Distance($sNearPointSQL, centroid) asc";
 

-                                                       $sImportanceSQL = 'case when importance = 0 OR importance IS NULL then 0.92-(search_rank::float/33) else importance end';
+                                                       $sImportanceSQL = 'case when importance = 0 OR importance IS NULL then 0.75-(search_rank::float/40) else importance end';

 
                                                        if ($sViewboxSmallSQL) $sImportanceSQL .= " * case when ST_Contains($sViewboxSmallSQL, centroid) THEN 1 ELSE 0.5 END";
                                                        if ($sViewboxLargeSQL) $sImportanceSQL .= " * case when ST_Contains($sViewboxLargeSQL, centroid) THEN 1 ELSE 0.5 END";
 
                                                        if ($sViewboxSmallSQL) $sImportanceSQL .= " * case when ST_Contains($sViewboxSmallSQL, centroid) THEN 1 ELSE 0.5 END";
                                                        if ($sViewboxLargeSQL) $sImportanceSQL .= " * case when ST_Contains($sViewboxLargeSQL, centroid) THEN 1 ELSE 0.5 END";


@@ -744,19 +967,18 @@
                                                                $sSQL .= " from search_name";
                                                                $sSQL .= " where ".join(' and ',$aTerms);
                                                                $sSQL .= " order by ".join(', ',$aOrder);
                                                                $sSQL .= " from search_name";
                                                                $sSQL .= " where ".join(' and ',$aTerms);
                                                                $sSQL .= " order by ".join(', ',$aOrder);

-                                                               if ($aSearch['sHouseNumber'])
+                                                               if ($aSearch['sHouseNumber'] || $aSearch['sClass'])

                                                                        $sSQL .= " limit 50";
                                                                elseif (!sizeof($aSearch['aName']) && !sizeof($aSearch['aAddress']) && $aSearch['sClass'])
                                                                        $sSQL .= " limit 1";
                                                                else
                                                                        $sSQL .= " limit ".$iLimit;
 
                                                                        $sSQL .= " limit 50";
                                                                elseif (!sizeof($aSearch['aName']) && !sizeof($aSearch['aAddress']) && $aSearch['sClass'])
                                                                        $sSQL .= " limit 1";
                                                                else
                                                                        $sSQL .= " limit ".$iLimit;
 

-                                                               if (CONST_Debug) var_dump($sSQL);
+                                                               if (CONST_Debug) { var_dump($sSQL); }

                                                                $aViewBoxPlaceIDs = $oDB->getAll($sSQL);
                                                                if (PEAR::IsError($aViewBoxPlaceIDs))
                                                                {
                                                                $aViewBoxPlaceIDs = $oDB->getAll($sSQL);
                                                                if (PEAR::IsError($aViewBoxPlaceIDs))
                                                                {

-                                                                       var_dump($sSQL, $aViewBoxPlaceIDs);                                     
-                                                                       exit;
+                                                                       failInternalError("Could not get places for search terms.", $sSQL, $aViewBoxPlaceIDs);

                                                                }
 //var_dump($aViewBoxPlaceIDs);
                                                                // Did we have an viewbox matches?
                                                                }
 //var_dump($aViewBoxPlaceIDs);
                                                                // Did we have an viewbox matches?


@@ -780,7 +1002,7 @@
                                                                $sPlaceIDs = join(',',$aPlaceIDs);
        
                                                                // Now they are indexed look for a house attached to a street we found
                                                                $sPlaceIDs = join(',',$aPlaceIDs);
        
                                                                // Now they are indexed look for a house attached to a street we found

-                                                               $sHouseNumberRegex = '\\\\m'.str_replace(' ','[-, ]',$aSearch['sHouseNumber']).'\\\\M';                                         
+                                                               $sHouseNumberRegex = '\\\\m'.str_replace(' ','[-,/ ]',$aSearch['sHouseNumber']).'\\\\M';                                                

                                                                $sSQL = "select place_id from placex where parent_place_id in (".$sPlaceIDs.") and housenumber ~* E'".$sHouseNumberRegex."'";
                                                                if (sizeof($aExcludePlaceIDs))
                                                                {
                                                                $sSQL = "select place_id from placex where parent_place_id in (".$sPlaceIDs.") and housenumber ~* E'".$sHouseNumberRegex."'";
                                                                if (sizeof($aExcludePlaceIDs))
                                                                {


@@ -816,7 +1038,7 @@
                                                                }
 
                                                                // Fallback to the road
                                                                }
 
                                                                // Fallback to the road

-                                                               if (!sizeof($aPlaceIDs))
+                                                               if (!sizeof($aPlaceIDs) && preg_match('/[0-9]+/', $aSearch['sHouseNumber']))

                                                                {
                                                                        $aPlaceIDs = $aRoadPlaceIDs;
                                                                }
                                                                {
                                                                        $aPlaceIDs = $aRoadPlaceIDs;
                                                                }


@@ -827,82 +1049,126 @@
                                                        {
                                                                $sPlaceIDs = join(',',$aPlaceIDs);
 
                                                        {
                                                                $sPlaceIDs = join(',',$aPlaceIDs);
 

+                                                               $aClassPlaceIDs = array();
+

                                                                if (!$aSearch['sOperator'] || $aSearch['sOperator'] == 'name')
                                                                {
                                                                        // If they were searching for a named class (i.e. 'Kings Head pub') then we might have an extra match
                                                                        $sSQL = "select place_id from placex where place_id in ($sPlaceIDs) and class='".$aSearch['sClass']."' and type='".$aSearch['sType']."'";
                                                                if (!$aSearch['sOperator'] || $aSearch['sOperator'] == 'name')
                                                                {
                                                                        // If they were searching for a named class (i.e. 'Kings Head pub') then we might have an extra match
                                                                        $sSQL = "select place_id from placex where place_id in ($sPlaceIDs) and class='".$aSearch['sClass']."' and type='".$aSearch['sType']."'";

-                                                                       if ($sCountryCodesSQL) $sSQL .= " and country_code in ($sCountryCodesSQL)";                                                             
+                                                                       $sSQL .= " and linked_place_id is null";
+                                                                       if ($sCountryCodesSQL) $sSQL .= " and calculated_country_code in ($sCountryCodesSQL)";

                                                                        $sSQL .= " order by rank_search asc limit $iLimit";
                                                                        if (CONST_Debug) var_dump($sSQL);
                                                                        $sSQL .= " order by rank_search asc limit $iLimit";
                                                                        if (CONST_Debug) var_dump($sSQL);

-                                                                       $aPlaceIDs = $oDB->getCol($sSQL);
+                                                                       $aClassPlaceIDs = $oDB->getCol($sSQL);

                                                                }
                                                                
                                                                if (!$aSearch['sOperator'] || $aSearch['sOperator'] == 'near') // & in
                                                                {
                                                                }
                                                                
                                                                if (!$aSearch['sOperator'] || $aSearch['sOperator'] == 'near') // & in
                                                                {

-                                                                       $sSQL = "select rank_search from placex where place_id in ($sPlaceIDs) order by rank_search asc limit 1";
+                                                                       $sSQL = "select count(*) from pg_tables where tablename = 'place_classtype_".$aSearch['sClass']."_".$aSearch['sType']."'";
+                                                                       $bCacheTable = $oDB->getOne($sSQL);

 
 

-                                                                       if (CONST_Debug) var_dump($sSQL);
-                                                                       $iMaxRank = ((int)$oDB->getOne($sSQL)) + 5;
+                                                                       $sSQL = "select min(rank_search) from placex where place_id in ($sPlaceIDs)";

 
 

-                                                                       $sSQL = "select place_id from placex where place_id in ($sPlaceIDs) and rank_search < $iMaxRank";

                                                                        if (CONST_Debug) var_dump($sSQL);
                                                                        if (CONST_Debug) var_dump($sSQL);

-                                                                       $aPlaceIDs = $oDB->getCol($sSQL);
-                                                                       $sPlaceIDs = join(',',$aPlaceIDs);
+                                                                       $iMaxRank = ((int)$oDB->getOne($sSQL));

 
 

-                                                                       if ($sPlaceIDs)
+                                                                       // For state / country level searches the normal radius search doesn't work very well
+                                                                       $sPlaceGeom = false;
+                                                                       if ($iMaxRank < 9 && $bCacheTable)
+                                                                       {
+                                                                               // Try and get a polygon to search in instead
+                                                                               $sSQL = "select geometry from placex where place_id in ($sPlaceIDs) and rank_search < $iMaxRank + 5 and st_geometrytype(geometry) in ('ST_Polygon','ST_MultiPolygon') order by rank_search asc limit 1";
+                                                                               if (CONST_Debug) var_dump($sSQL);
+                                                                               $sPlaceGeom = $oDB->getOne($sSQL);
+                                                                       }
+                                                                       
+                                                                       if ($sPlaceGeom)
+                                                                       {
+                                                                               $sPlaceIDs = false;
+                                                                       }
+                                                                       else
+                                                                       {
+                                                                               $iMaxRank += 5;
+                                                                               $sSQL = "select place_id from placex where place_id in ($sPlaceIDs) and rank_search < $iMaxRank";
+                                                                               if (CONST_Debug) var_dump($sSQL);
+                                                                               $aPlaceIDs = $oDB->getCol($sSQL);
+                                                                               $sPlaceIDs = join(',',$aPlaceIDs);
+                                                                       }
+
+                                                                       if ($sPlaceIDs || $sPlaceGeom)

                                                                        {
 
                                                                        $fRange = 0.01;
                                                                        {
 
                                                                        $fRange = 0.01;

-                                                                       $sSQL = "select count(*) from pg_tables where tablename = 'place_classtype_".$aSearch['sClass']."_".$aSearch['sType']."'";
-                                                                       if ($oDB->getOne($sSQL))
+                                                                       if ($bCacheTable)

                                                                        {
                                                                                // More efficient - can make the range bigger
                                                                        {
                                                                                // More efficient - can make the range bigger

-                                                                       $fRange = 0.05;
-                                                                               $sSQL = "select l.place_id from place_classtype_".$aSearch['sClass']."_".$aSearch['sType']." as l";
+                                                                               $fRange = 0.05;
+
+                                                                               $sOrderBySQL = '';
+                                                                               if ($sNearPointSQL) $sOrderBySQL = "ST_Distance($sNearPointSQL, l.centroid)";
+                                                                               else if ($sPlaceIDs) $sOrderBySQL = "ST_Distance(l.centroid, f.geometry)";
+                                                                               else if ($sPlaceGeom) $sOrderBysSQL = "ST_Distance(st_centroid('".$sPlaceGeom."'), l.centroid)";
+
+                                                                               $sSQL = "select distinct l.place_id".($sOrderBySQL?','.$sOrderBySQL:'')." from place_classtype_".$aSearch['sClass']."_".$aSearch['sType']." as l";

                                                                                if ($sCountryCodesSQL) $sSQL .= " join placex as lp using (place_id)";
                                                                                if ($sCountryCodesSQL) $sSQL .= " join placex as lp using (place_id)";

-                                                                               $sSQL .= ",placex as f where ";
-                                                                               $sSQL .= "f.place_id in ($sPlaceIDs) and ST_DWithin(l.centroid, st_centroid(f.geometry), $fRange) ";
+                                                                               if ($sPlaceIDs)
+                                                                               {
+                                                                                       $sSQL .= ",placex as f where ";
+                                                                                       $sSQL .= "f.place_id in ($sPlaceIDs) and ST_DWithin(l.centroid, f.centroid, $fRange) ";
+                                                                               }
+                                                                               if ($sPlaceGeom)
+                                                                               {
+                                                                                       $sSQL .= " where ";
+                                                                                       $sSQL .= "ST_Contains('".$sPlaceGeom."', l.centroid) ";
+                                                                               }

                                                                                if (sizeof($aExcludePlaceIDs))
                                                                                {
                                                                                        $sSQL .= " and l.place_id not in (".join(',',$aExcludePlaceIDs).")";
                                                                                }
                                                                                if (sizeof($aExcludePlaceIDs))
                                                                                {
                                                                                        $sSQL .= " and l.place_id not in (".join(',',$aExcludePlaceIDs).")";
                                                                                }

-                                                                               if ($sCountryCodesSQL) $sSQL .= " and lp.country_code in ($sCountryCodesSQL)";
-                                                                               if ($sNearPointSQL) $sSQL .= " order by ST_Distance($sNearPointSQL, l.centroid) ASC";
-                                                                               else $sSQL .= " order by ST_Distance(l.centroid, f.geometry) asc";
+                                                                               if ($sCountryCodesSQL) $sSQL .= " and lp.calculated_country_code in ($sCountryCodesSQL)";
+                                                                               if ($sOrderBySQL) $sSQL .= "order by ".$sOrderBySQL." asc";
+                                                                               if ($iOffset) $sSQL .= " offset $iOffset";

                                                                                $sSQL .= " limit $iLimit";
                                                                                if (CONST_Debug) var_dump($sSQL);
                                                                                $sSQL .= " limit $iLimit";
                                                                                if (CONST_Debug) var_dump($sSQL);

-                                                                               $aPlaceIDs = $oDB->getCol($sSQL);
+                                                                               $aClassPlaceIDs = array_merge($aClassPlaceIDs, $oDB->getCol($sSQL));

                                                                        }
                                                                        else
                                                                        {
                                                                                if (isset($aSearch['fRadius']) && $aSearch['fRadius']) $fRange = $aSearch['fRadius'];
                                                                        }
                                                                        else
                                                                        {
                                                                                if (isset($aSearch['fRadius']) && $aSearch['fRadius']) $fRange = $aSearch['fRadius'];

-                                                                               $sSQL = "select l.place_id from placex as l,placex as f where ";
-                                                                               $sSQL .= "f.place_id in ( $sPlaceIDs) and ST_DWithin(l.geometry, st_centroid(f.geometry), $fRange) ";
+
+                                                                               $sOrderBySQL = '';
+                                                                               if ($sNearPointSQL) $sOrderBySQL = "ST_Distance($sNearPointSQL, l.geometry)";
+                                                                               else $sOrderBySQL = "ST_Distance(l.geometry, f.geometry)";
+
+                                                                               $sSQL = "select distinct l.place_id".($sOrderBysSQL?','.$sOrderBysSQL:'')." from placex as l,placex as f where ";
+                                                                               $sSQL .= "f.place_id in ( $sPlaceIDs) and ST_DWithin(l.geometry, f.centroid, $fRange) ";

                                                                                $sSQL .= "and l.class='".$aSearch['sClass']."' and l.type='".$aSearch['sType']."' ";
                                                                                if (sizeof($aExcludePlaceIDs))
                                                                                {
                                                                                        $sSQL .= " and l.place_id not in (".join(',',$aExcludePlaceIDs).")";
                                                                                }
                                                                                $sSQL .= "and l.class='".$aSearch['sClass']."' and l.type='".$aSearch['sType']."' ";
                                                                                if (sizeof($aExcludePlaceIDs))
                                                                                {
                                                                                        $sSQL .= " and l.place_id not in (".join(',',$aExcludePlaceIDs).")";
                                                                                }

-                                                                               if ($sCountryCodesSQL) $sSQL .= " and l.country_code in ($sCountryCodesSQL)";                                                           
-                                                                               if ($sNearPointSQL) $sSQL .= " order by ST_Distance($sNearPointSQL, l.geometry) ASC";
-                                                                               else $sSQL .= " order by ST_Distance(l.geometry, f.geometry) asc, l.rank_search ASC";
+                                                                               if ($sCountryCodesSQL) $sSQL .= " and l.calculated_country_code in ($sCountryCodesSQL)";                                                                
+                                                                               if ($sOrderBy) $sSQL .= "order by ".$OrderBysSQL." asc";
+                                                                               if ($iOffset) $sSQL .= " offset $iOffset";

                                                                                $sSQL .= " limit $iLimit";
                                                                                if (CONST_Debug) var_dump($sSQL);
                                                                                $sSQL .= " limit $iLimit";
                                                                                if (CONST_Debug) var_dump($sSQL);

-                                                                               $aPlaceIDs = $oDB->getCol($sSQL);
+                                                                               $aClassPlaceIDs = array_merge($aClassPlaceIDs, $oDB->getCol($sSQL));

                                                                        }
                                                                        }
                                                                }
                                                                        }
                                                                        }
                                                                }

+
+                                                               $aPlaceIDs = $aClassPlaceIDs;
+

                                                        }
                                                
                                                }
 
                                                if (PEAR::IsError($aPlaceIDs))
                                                {
                                                        }
                                                
                                                }
 
                                                if (PEAR::IsError($aPlaceIDs))
                                                {

-                                                       var_dump($sSQL, $aPlaceIDs);                                    
-                                                       exit;
+                                                       failInternalError("Could not get place IDs from tokens." ,$sSQL, $aPlaceIDs);

                                                }
 
                                                }
 

-                                               if (CONST_Debug) var_Dump($aPlaceIDs);
+                                               if (CONST_Debug) { echo "<br><b>Place IDs:</b> "; var_Dump($aPlaceIDs); }

 
                                                foreach($aPlaceIDs as $iPlaceID)
                                                {
 
                                                foreach($aPlaceIDs as $iPlaceID)
                                                {


@@ -910,14 +1176,15 @@
                                                }
                                                if ($iQueryLoop > 20) break;
                                        }
                                                }
                                                if ($iQueryLoop > 20) break;
                                        }

+

                                        //exit;
                                        //exit;

-                                       if (sizeof($aResultPlaceIDs)) break;
+                                       if (isset($aResultPlaceIDs) && sizeof($aResultPlaceIDs)) break;

                                        if ($iGroupLoop > 4) break;
                                        if ($iQueryLoop > 30) break;
                                }
                                        if ($iGroupLoop > 4) break;
                                        if ($iQueryLoop > 30) break;
                                }

-//exit;
+

                                // Did we find anything?        
                                // Did we find anything?        

-                               if (sizeof($aResultPlaceIDs))
+                               if (isset($aResultPlaceIDs) && sizeof($aResultPlaceIDs))

                                {
 //var_Dump($aResultPlaceIDs);exit;
                                        // Get the details for display (is this a redundant extra step?)
                                {
 //var_Dump($aResultPlaceIDs);exit;
                                        // Get the details for display (is this a redundant extra step?)


@@ -928,16 +1195,18 @@
                                                $sOrderSQL .= 'when min(place_id) = '.$iPlaceID.' then '.$iOrder.' ';
                                        }
                                        $sOrderSQL .= ' ELSE 10000000 END';
                                                $sOrderSQL .= 'when min(place_id) = '.$iPlaceID.' then '.$iOrder.' ';
                                        }
                                        $sOrderSQL .= ' ELSE 10000000 END';

-                                       $sSQL = "select osm_type,osm_id,class,type,admin_level,rank_search,rank_address,min(place_id) as place_id,country_code,";
+                                       $sSQL = "select osm_type,osm_id,class,type,admin_level,rank_search,rank_address,min(place_id) as place_id,calculated_country_code as country_code,";

                                        $sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
                                        $sSQL .= "get_name_by_language(name, $sLanguagePrefArraySQL) as placename,";
                                        $sSQL .= "get_name_by_language(name, ARRAY['ref']) as ref,";
                                        $sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
                                        $sSQL .= "get_name_by_language(name, $sLanguagePrefArraySQL) as placename,";
                                        $sSQL .= "get_name_by_language(name, ARRAY['ref']) as ref,";

-                                       $sSQL .= "avg(ST_X(ST_Centroid(geometry))) as lon,avg(ST_Y(ST_Centroid(geometry))) as lat, ";
+                                       $sSQL .= "avg(ST_X(centroid)) as lon,avg(ST_Y(centroid)) as lat, ";

 //                                     $sSQL .= $sOrderSQL." as porder, ";
 //                                     $sSQL .= $sOrderSQL." as porder, ";

-                                       $sSQL .= "coalesce(importance,0.9-(rank_search::float/30)) as importance ";
+                                       $sSQL .= "coalesce(importance,0.75-(rank_search::float/40)) as importance ";

                                        $sSQL .= "from placex where place_id in ($sPlaceIDs) ";
                                        $sSQL .= "and placex.rank_address between $iMinAddressRank and $iMaxAddressRank ";
                                        $sSQL .= "from placex where place_id in ($sPlaceIDs) ";
                                        $sSQL .= "and placex.rank_address between $iMinAddressRank and $iMaxAddressRank ";

-                                       $sSQL .= "group by osm_type,osm_id,class,type,admin_level,rank_search,rank_address,country_code,importance";
+                                       if ($sAllowedTypesSQLList) $sSQL .= "and placex.class in $sAllowedTypesSQLList ";
+                                       $sSQL .= "and linked_place_id is null ";
+                                       $sSQL .= "group by osm_type,osm_id,class,type,admin_level,rank_search,rank_address,calculated_country_code,importance";

                                        if (!$bDeDupe) $sSQL .= ",place_id";
                                        $sSQL .= ",get_address_by_language(place_id, $sLanguagePrefArraySQL) ";
                                        $sSQL .= ",get_name_by_language(name, $sLanguagePrefArraySQL) ";
                                        if (!$bDeDupe) $sSQL .= ",place_id";
                                        $sSQL .= ",get_address_by_language(place_id, $sLanguagePrefArraySQL) ";
                                        $sSQL .= ",get_name_by_language(name, $sLanguagePrefArraySQL) ";


@@ -969,14 +1238,81 @@
                                        $sSQL .= ",get_address_by_language(place_id, $sLanguagePrefArraySQL) ";
                                        $sSQL .= "order by importance desc";
 //                                     $sSQL .= "order by rank_search,rank_address,porder asc";
                                        $sSQL .= ",get_address_by_language(place_id, $sLanguagePrefArraySQL) ";
                                        $sSQL .= "order by importance desc";
 //                                     $sSQL .= "order by rank_search,rank_address,porder asc";

-                                       if (CONST_Debug) var_dump('<hr>',$sSQL);
+                                       if (CONST_Debug) { echo "<hr>"; var_dump($sSQL); }

                                        $aSearchResults = $oDB->getAll($sSQL);
 //var_dump($sSQL,$aSearchResults);exit;
 
                                        if (PEAR::IsError($aSearchResults))
                                        {
                                        $aSearchResults = $oDB->getAll($sSQL);
 //var_dump($sSQL,$aSearchResults);exit;
 
                                        if (PEAR::IsError($aSearchResults))
                                        {

-                                               var_dump($sSQL, $aSearchResults);                                       
-                                               exit;
+                                               failInternalError("Could not get details for place.", $sSQL, $aSearchResults);
+                                       }
+                               }
+                       } // end if ($sQuery)
+                       else
+                       {
+                               if (isset($_GET['nearlat']) && trim($_GET['nearlat'])!=='' && isset($_GET['nearlon']) && trim($_GET['nearlon']) !== '')
+                               {
+                                       $iPlaceID = geocodeReverse($_GET['nearlat'], $_GET['nearlon']);
+                                       $aResultPlaceIDs = array($iPlaceID);
+
+                                       // TODO: this needs refactoring!
+
+                                       // Get the details for display (is this a redundant extra step?)
+                                       $sPlaceIDs = join(',',$aResultPlaceIDs);
+                                       $sOrderSQL = 'CASE ';
+                                       foreach(array_keys($aResultPlaceIDs) as $iOrder => $iPlaceID)
+                                       {
+                                               $sOrderSQL .= 'when min(place_id) = '.$iPlaceID.' then '.$iOrder.' ';
+                                       }
+                                       $sOrderSQL .= ' ELSE 10000000 END';
+                                       $sSQL = "select osm_type,osm_id,class,type,admin_level,rank_search,rank_address,min(place_id) as place_id,calculated_country_code as country_code,";
+                                       $sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
+                                       $sSQL .= "get_name_by_language(name, $sLanguagePrefArraySQL) as placename,";
+                                       $sSQL .= "get_name_by_language(name, ARRAY['ref']) as ref,";
+                                       $sSQL .= "avg(ST_X(centroid)) as lon,avg(ST_Y(centroid)) as lat, ";
+//                                     $sSQL .= $sOrderSQL." as porder, ";
+                                       $sSQL .= "coalesce(importance,0.75-(rank_search::float/40)) as importance ";
+                                       $sSQL .= "from placex where place_id in ($sPlaceIDs) ";
+                                       $sSQL .= "and placex.rank_address between $iMinAddressRank and $iMaxAddressRank ";
+                                       $sSQL .= "group by osm_type,osm_id,class,type,admin_level,rank_search,rank_address,calculated_country_code,importance";
+                                       if (!$bDeDupe) $sSQL .= ",place_id";
+                                       $sSQL .= ",get_address_by_language(place_id, $sLanguagePrefArraySQL) ";
+                                       $sSQL .= ",get_name_by_language(name, $sLanguagePrefArraySQL) ";
+                                       $sSQL .= ",get_name_by_language(name, ARRAY['ref']) ";
+                                       $sSQL .= " union ";
+                                       $sSQL .= "select 'T' as osm_type,place_id as osm_id,'place' as class,'house' as type,null as admin_level,30 as rank_search,30 as rank_address,min(place_id) as place_id,'us' as country_code,";
+                                       $sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
+                                       $sSQL .= "null as placename,";
+                                       $sSQL .= "null as ref,";
+                                       $sSQL .= "avg(ST_X(centroid)) as lon,avg(ST_Y(centroid)) as lat, ";
+//                                     $sSQL .= $sOrderSQL." as porder, ";
+                                       $sSQL .= "-0.15 as importance ";
+                                       $sSQL .= "from location_property_tiger where place_id in ($sPlaceIDs) ";
+                                       $sSQL .= "and 30 between $iMinAddressRank and $iMaxAddressRank ";
+                                       $sSQL .= "group by place_id";
+                                       if (!$bDeDupe) $sSQL .= ",place_id";
+                                       $sSQL .= " union ";
+                                       $sSQL .= "select 'L' as osm_type,place_id as osm_id,'place' as class,'house' as type,null as admin_level,30 as rank_search,30 as rank_address,min(place_id) as place_id,'us' as country_code,";
+                                       $sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
+                                       $sSQL .= "null as placename,";
+                                       $sSQL .= "null as ref,";
+                                       $sSQL .= "avg(ST_X(centroid)) as lon,avg(ST_Y(centroid)) as lat, ";
+//                                     $sSQL .= $sOrderSQL." as porder, ";
+                                       $sSQL .= "-0.10 as importance ";
+                                       $sSQL .= "from location_property_aux where place_id in ($sPlaceIDs) ";
+                                       $sSQL .= "and 30 between $iMinAddressRank and $iMaxAddressRank ";
+                                       $sSQL .= "group by place_id";
+                                       if (!$bDeDupe) $sSQL .= ",place_id";
+                                       $sSQL .= ",get_address_by_language(place_id, $sLanguagePrefArraySQL) ";
+                                       $sSQL .= "order by importance desc";
+//                                     $sSQL .= "order by rank_search,rank_address,porder asc";
+                                       if (CONST_Debug) { echo "<hr>", var_dump($sSQL); }
+                                       $aSearchResults = $oDB->getAll($sSQL);
+//var_dump($sSQL,$aSearchResults);exit;
+
+                                       if (PEAR::IsError($aSearchResults))
+                                       {
+                        failInternalError("Could not get details for place (near).", $sSQL, $aSearchResults);

                                        }
                                }
                        }
                                        }
                                }
                        }


@@ -990,51 +1326,76 @@
 //var_Dump($aSearchResults);
 //exit;
        $aClassType = getClassTypesWithImportance();
 //var_Dump($aSearchResults);
 //exit;
        $aClassType = getClassTypesWithImportance();

+       $aRecheckWords = preg_split('/\b/',$sQuery);
+       foreach($aRecheckWords as $i => $sWord)
+       {
+               if (!$sWord) unset($aRecheckWords[$i]);
+       }

        foreach($aSearchResults as $iResNum => $aResult)
        {
        foreach($aSearchResults as $iResNum => $aResult)
        {

-               if (CONST_Search_AreaPolygons || true)
+               if (CONST_Search_AreaPolygons)

                {
                        // Get the bounding box and outline polygon
                        $sSQL = "select place_id,numfeatures,area,outline,";
                {
                        // Get the bounding box and outline polygon
                        $sSQL = "select place_id,numfeatures,area,outline,";

-                       $sSQL .= "ST_Y(ST_PointN(ExteriorRing(ST_Box2D(outline)),4)) as minlat,ST_Y(ST_PointN(ExteriorRing(ST_Box2D(outline)),2)) as maxlat,";
-                       $sSQL .= "ST_X(ST_PointN(ExteriorRing(ST_Box2D(outline)),1)) as minlon,ST_X(ST_PointN(ExteriorRing(ST_Box2D(outline)),3)) as maxlon,";
+                       $sSQL .= "ST_Y(ST_PointN(ST_ExteriorRing(Box2D(outline)),4)) as minlat,ST_Y(ST_PointN(ST_ExteriorRing(Box2D(outline)),2)) as maxlat,";
+                       $sSQL .= "ST_X(ST_PointN(ST_ExteriorRing(Box2D(outline)),1)) as minlon,ST_X(ST_PointN(ST_ExteriorRing(Box2D(outline)),3)) as maxlon,";

                        $sSQL .= "ST_AsText(outline) as outlinestring from get_place_boundingbox_quick(".$aResult['place_id'].")";
 
                        $sSQL = "select place_id,0 as numfeatures,st_area(geometry) as area,";
                        $sSQL .= "ST_AsText(outline) as outlinestring from get_place_boundingbox_quick(".$aResult['place_id'].")";
 
                        $sSQL = "select place_id,0 as numfeatures,st_area(geometry) as area,";

-                       $sSQL .= "ST_Y(ST_PointN(ExteriorRing(ST_Box2D(geometry)),4)) as minlat,ST_Y(ST_PointN(ExteriorRing(ST_Box2D(geometry)),2)) as maxlat,";
-                       $sSQL .= "ST_X(ST_PointN(ExteriorRing(ST_Box2D(geometry)),1)) as minlon,ST_X(ST_PointN(ExteriorRing(ST_Box2D(geometry)),3)) as maxlon,";
-                       $sSQL .= "ST_AsText(geometry) as outlinestring from placex where place_id = ".$aResult['place_id'].' and st_geometrytype(ST_Box2D(geometry)) = \'ST_Polygon\'';
+                       $sSQL .= "ST_Y(centroid) as centrelat,ST_X(centroid) as centrelon,";
+                       $sSQL .= "ST_Y(ST_PointN(ST_ExteriorRing(Box2D(geometry)),4)) as minlat,ST_Y(ST_PointN(ST_ExteriorRing(Box2D(geometry)),2)) as maxlat,";
+                       $sSQL .= "ST_X(ST_PointN(ST_ExteriorRing(Box2D(geometry)),1)) as minlon,ST_X(ST_PointN(ST_ExteriorRing(Box2D(geometry)),3)) as maxlon";
+                       if ($bAsGeoJSON) $sSQL .= ",ST_AsGeoJSON(geometry) as asgeojson";
+                       if ($bAsKML) $sSQL .= ",ST_AsKML(geometry) as askml";
+                       if ($bAsSVG) $sSQL .= ",ST_AsSVG(geometry) as assvg";
+                       if ($bAsText || $bShowPolygons) $sSQL .= ",ST_AsText(geometry) as astext";
+                       $sSQL .= " from placex where place_id = ".$aResult['place_id'].' and st_geometrytype(Box2D(geometry)) = \'ST_Polygon\'';

                        $aPointPolygon = $oDB->getRow($sSQL);
                        if (PEAR::IsError($aPointPolygon))
                        {
                        $aPointPolygon = $oDB->getRow($sSQL);
                        if (PEAR::IsError($aPointPolygon))
                        {

-                               var_dump($sSQL, $aPointPolygon);
-                               exit;
+                               failInternalError("Could not get outline.", $sSQL, $aPointPolygon);

                        }
                        if ($aPointPolygon['place_id'])
                        {
                        }
                        if ($aPointPolygon['place_id'])
                        {

-                               // Translate geometary string to point array
-                               if (preg_match('#POLYGON\\(\\(([- 0-9.,]+)#',$aPointPolygon['outlinestring'],$aMatch))
-                               {
-                                       preg_match_all('/(-?[0-9.]+) (-?[0-9.]+)/',$aMatch[1],$aPolyPoints,PREG_SET_ORDER);
+                               if ($bAsGeoJSON) $aResult['asgeojson'] = $aPointPolygon['asgeojson'];
+                               if ($bAsKML) $aResult['askml'] = $aPointPolygon['askml'];
+                               if ($bAsSVG) $aResult['assvg'] = $aPointPolygon['assvg'];
+                               if ($bAsText) $aResult['astext'] = $aPointPolygon['astext'];
+
+                               if ($aPointPolygon['centrelon'] !== null && $aPointPolygon['centrelat'] !== null ) {
+                                       $aResult['lat'] = $aPointPolygon['centrelat'];
+                                       $aResult['lon'] = $aPointPolygon['centrelon'];

                                }
                                }

-                               elseif (preg_match('#POINT\\((-?[0-9.]+) (-?[0-9.]+)\\)#',$aPointPolygon['outlinestring'],$aMatch))
+                               if ($bShowPolygons) 

                                {
                                {

-                                       $fRadius = 0.01;
-                                       $iSteps = ($fRadius * 40000)^2;
-                                       $fStepSize = (2*pi())/$iSteps;
-                                       $aPolyPoints = array();
-                                       for($f = 0; $f < 2*pi(); $f += $fStepSize)
+                                       // Translate geometary string to point array
+                                       if (preg_match('#POLYGON\\(\\(([- 0-9.,]+)#',$aPointPolygon['astext'],$aMatch))
+                                       {
+                                               preg_match_all('/(-?[0-9.]+) (-?[0-9.]+)/',$aMatch[1],$aPolyPoints,PREG_SET_ORDER);
+                                       }
+                                       elseif (preg_match('#MULTIPOLYGON\\(\\(\\(([- 0-9.,]+)#',$aPointPolygon['astext'],$aMatch))

                                        {
                                        {

-                                               $aPolyPoints[] = array('',$aMatch[1]+($fRadius*sin($f)),$aMatch[2]+($fRadius*cos($f)));
+                                               preg_match_all('/(-?[0-9.]+) (-?[0-9.]+)/',$aMatch[1],$aPolyPoints,PREG_SET_ORDER);
+                                       }
+                                       elseif (preg_match('#POINT\\((-?[0-9.]+) (-?[0-9.]+)\\)#',$aPointPolygon['astext'],$aMatch))
+                                       {
+                                               $fRadius = 0.01;
+                                               $iSteps = ($fRadius * 40000)^2;
+                                               $fStepSize = (2*pi())/$iSteps;
+                                               $aPolyPoints = array();
+                                               for($f = 0; $f < 2*pi(); $f += $fStepSize)
+                                               {
+                                                       $aPolyPoints[] = array('',$aMatch[1]+($fRadius*sin($f)),$aMatch[2]+($fRadius*cos($f)));
+                                               }
+                                               $aPointPolygon['minlat'] = $aPointPolygon['minlat'] - $fRadius;
+                                               $aPointPolygon['maxlat'] = $aPointPolygon['maxlat'] + $fRadius;
+                                               $aPointPolygon['minlon'] = $aPointPolygon['minlon'] - $fRadius;
+                                               $aPointPolygon['maxlon'] = $aPointPolygon['maxlon'] + $fRadius;

                                        }
                                        }

-                                       $aPointPolygon['minlat'] = $aPointPolygon['minlat'] - $fRadius;
-                                       $aPointPolygon['maxlat'] = $aPointPolygon['maxlat'] + $fRadius;
-                                       $aPointPolygon['minlon'] = $aPointPolygon['minlon'] - $fRadius;
-                                       $aPointPolygon['maxlon'] = $aPointPolygon['maxlon'] + $fRadius;

                                }
 
                                // Output data suitable for display (points and a bounding box)
                                }
 
                                // Output data suitable for display (points and a bounding box)

-                               if ($bShowPolygons)
+                               if ($bShowPolygons && isset($aPolyPoints))

                                {
                                        $aResult['aPolyPoints'] = array();
                                        foreach($aPolyPoints as $aPoint)
                                {
                                        $aResult['aPolyPoints'] = array();
                                        foreach($aPolyPoints as $aPoint)


@@ -1094,6 +1455,12 @@
                        $aResult['icon'] = CONST_Website_BaseURL.'images/mapicons/'.$aClassType[$aResult['class'].':'.$aResult['type']]['icon'].'.p.20.png';
                }
 
                        $aResult['icon'] = CONST_Website_BaseURL.'images/mapicons/'.$aClassType[$aResult['class'].':'.$aResult['type']]['icon'].'.p.20.png';
                }
 

+               if (isset($aClassType[$aResult['class'].':'.$aResult['type']]['label']) 
+                       && $aClassType[$aResult['class'].':'.$aResult['type']]['label'])
+               {
+                       $aResult['label'] = $aClassType[$aResult['class'].':'.$aResult['type']]['label'];
+               }
+

                if ($bShowAddressDetails)
                {
                        $aResult['address'] = getAddressDetails($oDB, $sLanguagePrefArraySQL, $aResult['place_id'], $aResult['country_code']);
                if ($bShowAddressDetails)
                {
                        $aResult['address'] = getAddressDetails($oDB, $sLanguagePrefArraySQL, $aResult['place_id'], $aResult['country_code']);


@@ -1101,6 +1468,16 @@
 //exit;
                }
 
 //exit;
                }
 

+               // Adjust importance for the number of exact string matches in the result
+               $aResult['importance'] = max(0.001,$aResult['importance']);
+               $iCountWords = 0;
+               $sAddress = $aResult['langaddress'];
+               foreach($aRecheckWords as $i => $sWord)
+               {
+                       if (stripos($sAddress, $sWord)!==false) $iCountWords++;
+               }
+               $aResult['importance'] = $aResult['importance'] + ($iCountWords*0.1); // 0.1 is a completely arbitrary number but something in the range 0.1 to 0.5 would seem right
+

 //if (CONST_Debug) var_dump($aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']);
 /*
                if (isset($aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['importance']) 
 //if (CONST_Debug) var_dump($aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']);
 /*
                if (isset($aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['importance']) 


@@ -1122,11 +1499,8 @@
                $aResult['foundorder'] = $iResNum;
                $aSearchResults[$iResNum] = $aResult;
        }
                $aResult['foundorder'] = $iResNum;
                $aSearchResults[$iResNum] = $aResult;
        }

-       

        uasort($aSearchResults, 'byImportance');
 
        uasort($aSearchResults, 'byImportance');
 

-//var_dump($aSearchResults);exit;
-       

        $aOSMIDDone = array();
        $aClassTypeNameDone = array();
        $aToFilter = $aSearchResults;
        $aOSMIDDone = array();
        $aClassTypeNameDone = array();
        $aToFilter = $aSearchResults;


@@ -1145,12 +1519,15 @@
                        $bFirst = false;
                }
                if (!$bDeDupe || (!isset($aOSMIDDone[$aResult['osm_type'].$aResult['osm_id']])
                        $bFirst = false;
                }
                if (!$bDeDupe || (!isset($aOSMIDDone[$aResult['osm_type'].$aResult['osm_id']])

-                       && !isset($aClassTypeNameDone[$aResult['osm_type'].$aResult['osm_class'].$aResult['name']])))
+                       && !isset($aClassTypeNameDone[$aResult['osm_type'].$aResult['class'].$aResult['name']])))

                {
                        $aOSMIDDone[$aResult['osm_type'].$aResult['osm_id']] = true;
                {
                        $aOSMIDDone[$aResult['osm_type'].$aResult['osm_id']] = true;

-                       $aClassTypeNameDone[$aResult['osm_type'].$aResult['osm_class'].$aResult['name']] = true;
+                       $aClassTypeNameDone[$aResult['osm_type'].$aResult['class'].$aResult['name']] = true;

                        $aSearchResults[] = $aResult;
                }
                        $aSearchResults[] = $aResult;
                }

+
+               // Absolute limit on number of results
+               if (sizeof($aSearchResults) >= $iFinalLimit) break;

        }
 
        $sDataDate = $oDB->getOne("select TO_CHAR(lastimportdate - '1 day'::interval,'YYYY/MM/DD') from import_status limit 1");
        }
 
        $sDataDate = $oDB->getOne("select TO_CHAR(lastimportdate - '1 day'::interval,'YYYY/MM/DD') from import_status limit 1");


@@ -1165,7 +1542,7 @@
                logEnd($oDB, $hLog, sizeof($aToFilter));
        }
        $sMoreURL = CONST_Website_BaseURL.'search?format='.urlencode($sOutputFormat).'&exclude_place_ids='.join(',',$aExcludePlaceIDs);
                logEnd($oDB, $hLog, sizeof($aToFilter));
        }
        $sMoreURL = CONST_Website_BaseURL.'search?format='.urlencode($sOutputFormat).'&exclude_place_ids='.join(',',$aExcludePlaceIDs);

-       $sMoreURL .= '&accept-language='.$_SERVER["HTTP_ACCEPT_LANGUAGE"];
+       if (isset($_SERVER["HTTP_ACCEPT_LANGUAGE"])) $sMoreURL .= '&accept-language='.$_SERVER["HTTP_ACCEPT_LANGUAGE"];

        if ($bShowPolygons) $sMoreURL .= '&polygon=1';
        if ($bShowAddressDetails) $sMoreURL .= '&addressdetails=1';
        if (isset($_GET['viewbox']) && $_GET['viewbox']) $sMoreURL .= '&viewbox='.urlencode($_GET['viewbox']);
        if ($bShowPolygons) $sMoreURL .= '&polygon=1';
        if ($bShowAddressDetails) $sMoreURL .= '&addressdetails=1';
        if (isset($_GET['viewbox']) && $_GET['viewbox']) $sMoreURL .= '&viewbox='.urlencode($_GET['viewbox']);