]> git.openstreetmap.org Git - nominatim.git/blobdiff - lib/Geocode.php
use Result class in reverse geocoding
[nominatim.git] / lib / Geocode.php
index b27f69e8647e27eb0aaf308cd91df9bde9d059dd..09c1ccb4589742e29a4252a88f4151230c26820e 100644 (file)
@@ -3,6 +3,7 @@
 namespace Nominatim;
 
 require_once(CONST_BasePath.'/lib/PlaceLookup.php');
+require_once(CONST_BasePath.'/lib/Phrase.php');
 require_once(CONST_BasePath.'/lib/ReverseGeocode.php');
 require_once(CONST_BasePath.'/lib/SearchDescription.php');
 require_once(CONST_BasePath.'/lib/SearchContext.php');
@@ -44,7 +45,6 @@ class Geocode
     protected $iMinAddressRank = 0;
     protected $iMaxAddressRank = 30;
     protected $aAddressRankList = array();
-    protected $exactMatchCache = array();
 
     protected $sAllowedTypesSQLList = false;
 
@@ -364,278 +364,320 @@ class Geocode
         return false;
     }
 
-    public function getDetails($aPlaceIDs, $oCtx)
+    public function getDetails($aResults, $oCtx)
     {
-        //$aPlaceIDs is an array with key: placeID and value: tiger-housenumber, if found, else -1
-        if (sizeof($aPlaceIDs) == 0) return array();
+        // Get the details for display (is this a redundant extra step?)
+        //$aResults is an array of Result objects
+        if (sizeof($aResults) == 0) return array();
 
         $sLanguagePrefArraySQL = getArraySQL(
             array_map("getDBQuoted", $this->aLangPrefOrder)
         );
 
-        // Get the details for display (is this a redundant extra step?)
-        $sPlaceIDs = join(',', array_keys($aPlaceIDs));
-
         $sImportanceSQL = $oCtx->viewboxImportanceSQL('ST_Collect(centroid)');
         $sImportanceSQLGeom = $oCtx->viewboxImportanceSQL('geometry');
 
-        $sSQL  = "SELECT ";
-        $sSQL .= "    osm_type,";
-        $sSQL .= "    osm_id,";
-        $sSQL .= "    class,";
-        $sSQL .= "    type,";
-        $sSQL .= "    admin_level,";
-        $sSQL .= "    rank_search,";
-        $sSQL .= "    rank_address,";
-        $sSQL .= "    min(place_id) AS place_id, ";
-        $sSQL .= "    min(parent_place_id) AS parent_place_id, ";
-        $sSQL .= "    country_code, ";
-        $sSQL .= "    get_address_by_language(place_id, -1, $sLanguagePrefArraySQL) AS langaddress,";
-        $sSQL .= "    get_name_by_language(name, $sLanguagePrefArraySQL) AS placename,";
-        $sSQL .= "    get_name_by_language(name, ARRAY['ref']) AS ref,";
-        if ($this->bIncludeExtraTags) $sSQL .= "hstore_to_json(extratags)::text AS extra,";
-        if ($this->bIncludeNameDetails) $sSQL .= "hstore_to_json(name)::text AS names,";
-        $sSQL .= "    avg(ST_X(centroid)) AS lon, ";
-        $sSQL .= "    avg(ST_Y(centroid)) AS lat, ";
-        $sSQL .= "    COALESCE(importance,0.75-(rank_search::float/40)) $sImportanceSQL AS importance, ";
-        $sSQL .= "    ( ";
-        $sSQL .= "       SELECT max(p.importance*(p.rank_address+2))";
-        $sSQL .= "       FROM ";
-        $sSQL .= "         place_addressline s, ";
-        $sSQL .= "         placex p";
-        $sSQL .= "       WHERE s.place_id = min(CASE WHEN placex.rank_search < 28 THEN placex.place_id ELSE placex.parent_place_id END)";
-        $sSQL .= "         AND p.place_id = s.address_place_id ";
-        $sSQL .= "         AND s.isaddress ";
-        $sSQL .= "         AND p.importance is not null ";
-        $sSQL .= "    ) AS addressimportance, ";
-        $sSQL .= "    (extratags->'place') AS extra_place ";
-        $sSQL .= " FROM placex";
-        $sSQL .= " WHERE place_id in ($sPlaceIDs) ";
-        $sSQL .= "   AND (";
-        $sSQL .= "            placex.rank_address between $this->iMinAddressRank and $this->iMaxAddressRank ";
-        if (14 >= $this->iMinAddressRank && 14 <= $this->iMaxAddressRank) {
-            $sSQL .= "        OR (extratags->'place') = 'city'";
-        }
-        if ($this->aAddressRankList) {
-            $sSQL .= "        OR placex.rank_address in (".join(',', $this->aAddressRankList).")";
-        }
-        $sSQL .= "       ) ";
-        if ($this->sAllowedTypesSQLList) {
-            $sSQL .= "AND placex.class in $this->sAllowedTypesSQLList ";
+        $aSubSelects = array();
+
+        $sPlaceIDs = Result::joinIdsByTable($aResults, Result::TABLE_PLACEX);
+        if ($sPlaceIDs) {
+            $sSQL  = "SELECT ";
+            $sSQL .= "    osm_type,";
+            $sSQL .= "    osm_id,";
+            $sSQL .= "    class,";
+            $sSQL .= "    type,";
+            $sSQL .= "    admin_level,";
+            $sSQL .= "    rank_search,";
+            $sSQL .= "    rank_address,";
+            $sSQL .= "    min(place_id) AS place_id, ";
+            $sSQL .= "    min(parent_place_id) AS parent_place_id, ";
+            $sSQL .= "    country_code, ";
+            $sSQL .= "    get_address_by_language(place_id, -1, $sLanguagePrefArraySQL) AS langaddress,";
+            $sSQL .= "    get_name_by_language(name, $sLanguagePrefArraySQL) AS placename,";
+            $sSQL .= "    get_name_by_language(name, ARRAY['ref']) AS ref,";
+            if ($this->bIncludeExtraTags) $sSQL .= "hstore_to_json(extratags)::text AS extra,";
+            if ($this->bIncludeNameDetails) $sSQL .= "hstore_to_json(name)::text AS names,";
+            $sSQL .= "    avg(ST_X(centroid)) AS lon, ";
+            $sSQL .= "    avg(ST_Y(centroid)) AS lat, ";
+            $sSQL .= "    COALESCE(importance,0.75-(rank_search::float/40)) $sImportanceSQL AS importance, ";
+            if ($oCtx->hasNearPoint()) {
+                $sSQL .= $oCtx->distanceSQL('ST_Collect(centroid)')." AS addressimportance,";
+            } else {
+                $sSQL .= "    ( ";
+                $sSQL .= "       SELECT max(p.importance*(p.rank_address+2))";
+                $sSQL .= "       FROM ";
+                $sSQL .= "         place_addressline s, ";
+                $sSQL .= "         placex p";
+                $sSQL .= "       WHERE s.place_id = min(CASE WHEN placex.rank_search < 28 THEN placex.place_id ELSE placex.parent_place_id END)";
+                $sSQL .= "         AND p.place_id = s.address_place_id ";
+                $sSQL .= "         AND s.isaddress ";
+                $sSQL .= "         AND p.importance is not null ";
+                $sSQL .= "    ) AS addressimportance, ";
+            }
+            $sSQL .= "    (extratags->'place') AS extra_place ";
+            $sSQL .= " FROM placex";
+            $sSQL .= " WHERE place_id in ($sPlaceIDs) ";
+            $sSQL .= "   AND (";
+            $sSQL .= "            placex.rank_address between $this->iMinAddressRank and $this->iMaxAddressRank ";
+            if (14 >= $this->iMinAddressRank && 14 <= $this->iMaxAddressRank) {
+                $sSQL .= "        OR (extratags->'place') = 'city'";
+            }
+            if ($this->aAddressRankList) {
+                $sSQL .= "        OR placex.rank_address in (".join(',', $this->aAddressRankList).")";
+            }
+            $sSQL .= "       ) ";
+            if ($this->sAllowedTypesSQLList) {
+                $sSQL .= "AND placex.class in $this->sAllowedTypesSQLList ";
+            }
+            $sSQL .= "    AND linked_place_id is null ";
+            $sSQL .= " GROUP BY ";
+            $sSQL .= "     osm_type, ";
+            $sSQL .= "     osm_id, ";
+            $sSQL .= "     class, ";
+            $sSQL .= "     type, ";
+            $sSQL .= "     admin_level, ";
+            $sSQL .= "     rank_search, ";
+            $sSQL .= "     rank_address, ";
+            $sSQL .= "     country_code, ";
+            $sSQL .= "     importance, ";
+            if (!$this->bDeDupe) $sSQL .= "place_id,";
+            $sSQL .= "     langaddress, ";
+            $sSQL .= "     placename, ";
+            $sSQL .= "     ref, ";
+            if ($this->bIncludeExtraTags) $sSQL .= "extratags, ";
+            if ($this->bIncludeNameDetails) $sSQL .= "name, ";
+            $sSQL .= "     extratags->'place' ";
+
+            $aSubSelects[] = $sSQL;
         }
-        $sSQL .= "    AND linked_place_id is null ";
-        $sSQL .= " GROUP BY ";
-        $sSQL .= "     osm_type, ";
-        $sSQL .= "     osm_id, ";
-        $sSQL .= "     class, ";
-        $sSQL .= "     type, ";
-        $sSQL .= "     admin_level, ";
-        $sSQL .= "     rank_search, ";
-        $sSQL .= "     rank_address, ";
-        $sSQL .= "     country_code, ";
-        $sSQL .= "     importance, ";
-        if (!$this->bDeDupe) $sSQL .= "place_id,";
-        $sSQL .= "     langaddress, ";
-        $sSQL .= "     placename, ";
-        $sSQL .= "     ref, ";
-        if ($this->bIncludeExtraTags) $sSQL .= "extratags, ";
-        if ($this->bIncludeNameDetails) $sSQL .= "name, ";
-        $sSQL .= "     extratags->'place' ";
 
         // postcode table
-        $sSQL .= "UNION ";
-        $sSQL .= "SELECT";
-        $sSQL .= "  'P' as osm_type,";
-        $sSQL .= "  (SELECT osm_id from placex p WHERE p.place_id = lp.parent_place_id) as osm_id,";
-        $sSQL .= "  'place' as class, 'postcode' as type,";
-        $sSQL .= "  null as admin_level, rank_search, rank_address,";
-        $sSQL .= "  place_id, parent_place_id, country_code,";
-        $sSQL .= "  get_address_by_language(place_id, -1, $sLanguagePrefArraySQL) AS langaddress,";
-        $sSQL .= "  postcode as placename,";
-        $sSQL .= "  postcode as ref,";
-        if ($this->bIncludeExtraTags) $sSQL .= "null AS extra,";
-        if ($this->bIncludeNameDetails) $sSQL .= "null AS names,";
-        $sSQL .= "  ST_x(st_centroid(geometry)) AS lon, ST_y(st_centroid(geometry)) AS lat,";
-        $sSQL .= "  (0.75-(rank_search::float/40)) $sImportanceSQLGeom AS importance, ";
-        $sSQL .= "  (";
-        $sSQL .= "     SELECT max(p.importance*(p.rank_address+2))";
-        $sSQL .= "     FROM ";
-        $sSQL .= "       place_addressline s, ";
-        $sSQL .= "       placex p";
-        $sSQL .= "     WHERE s.place_id = lp.parent_place_id";
-        $sSQL .= "       AND p.place_id = s.address_place_id ";
-        $sSQL .= "       AND s.isaddress";
-        $sSQL .= "       AND p.importance is not null";
-        $sSQL .= "  ) AS addressimportance, ";
-        $sSQL .= "  null AS extra_place ";
-        $sSQL .= "FROM location_postcode lp";
-        $sSQL .= " WHERE place_id in ($sPlaceIDs) ";
-
-        if (30 >= $this->iMinAddressRank && 30 <= $this->iMaxAddressRank) {
-            // only Tiger housenumbers and interpolation lines need to be interpolated, because they are saved as lines
-            // with start- and endnumber, the common osm housenumbers are usually saved as points
-            $sHousenumbers = "";
-            $i = 0;
-            $length = count($aPlaceIDs);
-            foreach ($aPlaceIDs as $placeID => $housenumber) {
-                $i++;
-                $sHousenumbers .= "(".$placeID.", ".$housenumber.")";
-                if ($i<$length) $sHousenumbers .= ", ";
+        $sPlaceIDs = Result::joinIdsByTable($aResults, Result::TABLE_POSTCODE);
+        if ($sPlaceIDs) {
+            $sSQL = 'SELECT';
+            $sSQL .= "  'P' as osm_type,";
+            $sSQL .= "  (SELECT osm_id from placex p WHERE p.place_id = lp.parent_place_id) as osm_id,";
+            $sSQL .= "  'place' as class, 'postcode' as type,";
+            $sSQL .= "  null as admin_level, rank_search, rank_address,";
+            $sSQL .= "  place_id, parent_place_id, country_code,";
+            $sSQL .= "  get_address_by_language(place_id, -1, $sLanguagePrefArraySQL) AS langaddress,";
+            $sSQL .= "  postcode as placename,";
+            $sSQL .= "  postcode as ref,";
+            if ($this->bIncludeExtraTags) $sSQL .= "null AS extra,";
+            if ($this->bIncludeNameDetails) $sSQL .= "null AS names,";
+            $sSQL .= "  ST_x(st_centroid(geometry)) AS lon, ST_y(st_centroid(geometry)) AS lat,";
+            $sSQL .= "  (0.75-(rank_search::float/40)) $sImportanceSQLGeom AS importance, ";
+            if ($oCtx->hasNearPoint()) {
+                $sSQL .= $oCtx->distanceSQL('geometry')." AS addressimportance,";
+            } else {
+                $sSQL .= "  (";
+                $sSQL .= "     SELECT max(p.importance*(p.rank_address+2))";
+                $sSQL .= "     FROM ";
+                $sSQL .= "       place_addressline s, ";
+                $sSQL .= "       placex p";
+                $sSQL .= "     WHERE s.place_id = lp.parent_place_id";
+                $sSQL .= "       AND p.place_id = s.address_place_id ";
+                $sSQL .= "       AND s.isaddress";
+                $sSQL .= "       AND p.importance is not null";
+                $sSQL .= "  ) AS addressimportance, ";
             }
+            $sSQL .= "  null AS extra_place ";
+            $sSQL .= "FROM location_postcode lp";
+            $sSQL .= " WHERE place_id in ($sPlaceIDs) ";
 
+            $aSubSelects[] = $sSQL;
+        }
+
+        // All other tables are rank 30 only.
+        if ($this->iMaxAddressRank == 30) {
+            // TIGER table
             if (CONST_Use_US_Tiger_Data) {
-                // Tiger search only if a housenumber was searched and if it was found (i.e. aPlaceIDs[placeID] = housenumber != -1) (realized through a join)
-                $sSQL .= " union";
-                $sSQL .= " SELECT ";
-                $sSQL .= "     'T' AS osm_type, ";
-                $sSQL .= "     (SELECT osm_id from placex p WHERE p.place_id=min(blub.parent_place_id)) as osm_id, ";
-                $sSQL .= "     'place' AS class, ";
-                $sSQL .= "     'house' AS type, ";
-                $sSQL .= "     null AS admin_level, ";
-                $sSQL .= "     30 AS rank_search, ";
-                $sSQL .= "     30 AS rank_address, ";
-                $sSQL .= "     min(place_id) AS place_id, ";
-                $sSQL .= "     min(parent_place_id) AS parent_place_id, ";
-                $sSQL .= "     'us' AS country_code, ";
-                $sSQL .= "     get_address_by_language(place_id, housenumber_for_place, $sLanguagePrefArraySQL) AS langaddress,";
-                $sSQL .= "     null AS placename, ";
-                $sSQL .= "     null AS ref, ";
-                if ($this->bIncludeExtraTags) $sSQL .= "null AS extra,";
-                if ($this->bIncludeNameDetails) $sSQL .= "null AS names,";
-                $sSQL .= "     avg(st_x(centroid)) AS lon, ";
-                $sSQL .= "     avg(st_y(centroid)) AS lat,";
-                $sSQL .= "     -1.15".$sImportanceSQL." AS importance, ";
-                $sSQL .= "     (";
-                $sSQL .= "        SELECT max(p.importance*(p.rank_address+2))";
-                $sSQL .= "        FROM ";
-                $sSQL .= "          place_addressline s, ";
-                $sSQL .= "          placex p";
-                $sSQL .= "        WHERE s.place_id = min(blub.parent_place_id)";
-                $sSQL .= "          AND p.place_id = s.address_place_id ";
-                $sSQL .= "          AND s.isaddress";
-                $sSQL .= "          AND p.importance is not null";
-                $sSQL .= "     ) AS addressimportance, ";
-                $sSQL .= "     null AS extra_place ";
-                $sSQL .= " FROM (";
-                $sSQL .= "     SELECT place_id, ";    // interpolate the Tiger housenumbers here
-                $sSQL .= "         ST_LineInterpolatePoint(linegeo, (housenumber_for_place-startnumber::float)/(endnumber-startnumber)::float) AS centroid, ";
+                $sPlaceIDs = Result::joinIdsByTable($aResults, Result::TABLE_TIGER);
+                if ($sPlaceIDs) {
+                    $sHousenumbers = Result::sqlHouseNumberTable($aResults, Result::TABLE_TIGER);
+                    // Tiger search only if a housenumber was searched and if it was found
+                    // (realized through a join)
+                    $sSQL = " SELECT ";
+                    $sSQL .= "     'T' AS osm_type, ";
+                    $sSQL .= "     (SELECT osm_id from placex p WHERE p.place_id=min(blub.parent_place_id)) as osm_id, ";
+                    $sSQL .= "     'place' AS class, ";
+                    $sSQL .= "     'house' AS type, ";
+                    $sSQL .= "     null AS admin_level, ";
+                    $sSQL .= "     30 AS rank_search, ";
+                    $sSQL .= "     30 AS rank_address, ";
+                    $sSQL .= "     min(place_id) AS place_id, ";
+                    $sSQL .= "     min(parent_place_id) AS parent_place_id, ";
+                    $sSQL .= "     'us' AS country_code, ";
+                    $sSQL .= "     get_address_by_language(place_id, housenumber_for_place, $sLanguagePrefArraySQL) AS langaddress,";
+                    $sSQL .= "     null AS placename, ";
+                    $sSQL .= "     null AS ref, ";
+                    if ($this->bIncludeExtraTags) $sSQL .= "null AS extra,";
+                    if ($this->bIncludeNameDetails) $sSQL .= "null AS names,";
+                    $sSQL .= "     avg(st_x(centroid)) AS lon, ";
+                    $sSQL .= "     avg(st_y(centroid)) AS lat,";
+                    $sSQL .= "     -1.15".$sImportanceSQL." AS importance, ";
+                    if ($oCtx->hasNearPoint()) {
+                        $sSQL .= $oCtx->distanceSQL('ST_Collect(centroid)')." AS addressimportance,";
+                    } else {
+                        $sSQL .= "     (";
+                        $sSQL .= "        SELECT max(p.importance*(p.rank_address+2))";
+                        $sSQL .= "        FROM ";
+                        $sSQL .= "          place_addressline s, ";
+                        $sSQL .= "          placex p";
+                        $sSQL .= "        WHERE s.place_id = min(blub.parent_place_id)";
+                        $sSQL .= "          AND p.place_id = s.address_place_id ";
+                        $sSQL .= "          AND s.isaddress";
+                        $sSQL .= "          AND p.importance is not null";
+                        $sSQL .= "     ) AS addressimportance, ";
+                    }
+                    $sSQL .= "     null AS extra_place ";
+                    $sSQL .= " FROM (";
+                    $sSQL .= "     SELECT place_id, ";    // interpolate the Tiger housenumbers here
+                    $sSQL .= "         ST_LineInterpolatePoint(linegeo, (housenumber_for_place-startnumber::float)/(endnumber-startnumber)::float) AS centroid, ";
+                    $sSQL .= "         parent_place_id, ";
+                    $sSQL .= "         housenumber_for_place";
+                    $sSQL .= "     FROM (";
+                    $sSQL .= "            location_property_tiger ";
+                    $sSQL .= "            JOIN (values ".$sHousenumbers.") AS housenumbers(place_id, housenumber_for_place) USING(place_id)) ";
+                    $sSQL .= "     WHERE ";
+                    $sSQL .= "         housenumber_for_place >= startnumber";
+                    $sSQL .= "         AND housenumber_for_place <= endnumber";
+                    $sSQL .= " ) AS blub"; //postgres wants an alias here
+                    $sSQL .= " GROUP BY";
+                    $sSQL .= "      place_id, ";
+                    $sSQL .= "      housenumber_for_place"; //is this group by really needed?, place_id + housenumber (in combination) are unique
+                    if (!$this->bDeDupe) $sSQL .= ", place_id ";
+
+                    $aSubSelects[] = $sSQL;
+                }
+            }
+
+            // osmline - interpolated housenumbers
+            $sPlaceIDs = Result::joinIdsByTable($aResults, Result::TABLE_OSMLINE);
+            if ($sPlaceIDs) {
+                $sHousenumbers = Result::sqlHouseNumberTable($aResults, Result::TABLE_OSMLINE);
+                // interpolation line search only if a housenumber was searched
+                // (realized through a join)
+                $sSQL = "SELECT ";
+                $sSQL .= "  'W' AS osm_type, ";
+                $sSQL .= "  osm_id, ";
+                $sSQL .= "  'place' AS class, ";
+                $sSQL .= "  'house' AS type, ";
+                $sSQL .= "  null AS admin_level, ";
+                $sSQL .= "  30 AS rank_search, ";
+                $sSQL .= "  30 AS rank_address, ";
+                $sSQL .= "  min(place_id) as place_id, ";
+                $sSQL .= "  min(parent_place_id) AS parent_place_id, ";
+                $sSQL .= "  country_code, ";
+                $sSQL .= "  get_address_by_language(place_id, housenumber_for_place, $sLanguagePrefArraySQL) AS langaddress, ";
+                $sSQL .= "  null AS placename, ";
+                $sSQL .= "  null AS ref, ";
+                if ($this->bIncludeExtraTags) $sSQL .= "null AS extra, ";
+                if ($this->bIncludeNameDetails) $sSQL .= "null AS names, ";
+                $sSQL .= "  AVG(st_x(centroid)) AS lon, ";
+                $sSQL .= "  AVG(st_y(centroid)) AS lat, ";
+                $sSQL .= "  -0.1".$sImportanceSQL." AS importance, ";  // slightly smaller than the importance for normal houses with rank 30, which is 0
+                if ($oCtx->hasNearPoint()) {
+                    $sSQL .= $oCtx->distanceSQL('ST_Collect(centroid)')." AS addressimportance,";
+                } else {
+                    $sSQL .= "  (";
+                    $sSQL .= "     SELECT ";
+                    $sSQL .= "       MAX(p.importance*(p.rank_address+2)) ";
+                    $sSQL .= "     FROM";
+                    $sSQL .= "       place_addressline s, ";
+                    $sSQL .= "       placex p";
+                    $sSQL .= "     WHERE s.place_id = min(blub.parent_place_id) ";
+                    $sSQL .= "       AND p.place_id = s.address_place_id ";
+                    $sSQL .= "       AND s.isaddress ";
+                    $sSQL .= "       AND p.importance is not null";
+                    $sSQL .= "  ) AS addressimportance,";
+                }
+                $sSQL .= "  null AS extra_place ";
+                $sSQL .= "  FROM (";
+                $sSQL .= "     SELECT ";
+                $sSQL .= "         osm_id, ";
+                $sSQL .= "         place_id, ";
+                $sSQL .= "         country_code, ";
+                $sSQL .= "         CASE ";             // interpolate the housenumbers here
+                $sSQL .= "           WHEN startnumber != endnumber ";
+                $sSQL .= "           THEN ST_LineInterpolatePoint(linegeo, (housenumber_for_place-startnumber::float)/(endnumber-startnumber)::float) ";
+                $sSQL .= "           ELSE ST_LineInterpolatePoint(linegeo, 0.5) ";
+                $sSQL .= "         END as centroid, ";
                 $sSQL .= "         parent_place_id, ";
-                $sSQL .= "         housenumber_for_place";
+                $sSQL .= "         housenumber_for_place ";
                 $sSQL .= "     FROM (";
-                $sSQL .= "            location_property_tiger ";
-                $sSQL .= "            JOIN (values ".$sHousenumbers.") AS housenumbers(place_id, housenumber_for_place) USING(place_id)) ";
-                $sSQL .= "     WHERE ";
-                $sSQL .= "         housenumber_for_place>=0";
-                $sSQL .= "         AND 30 between $this->iMinAddressRank AND $this->iMaxAddressRank";
-                $sSQL .= " ) AS blub"; //postgres wants an alias here
-                $sSQL .= " GROUP BY";
-                $sSQL .= "      place_id, ";
-                $sSQL .= "      housenumber_for_place"; //is this group by really needed?, place_id + housenumber (in combination) are unique
+                $sSQL .= "            location_property_osmline ";
+                $sSQL .= "            JOIN (values ".$sHousenumbers.") AS housenumbers(place_id, housenumber_for_place) USING(place_id)";
+                $sSQL .= "          ) ";
+                $sSQL .= "     WHERE housenumber_for_place>=0 ";
+                $sSQL .= "       AND 30 between $this->iMinAddressRank AND $this->iMaxAddressRank";
+                $sSQL .= "  ) as blub"; //postgres wants an alias here
+                $sSQL .= "  GROUP BY ";
+                $sSQL .= "    osm_id, ";
+                $sSQL .= "    place_id, ";
+                $sSQL .= "    housenumber_for_place, ";
+                $sSQL .= "    country_code "; //is this group by really needed?, place_id + housenumber (in combination) are unique
                 if (!$this->bDeDupe) $sSQL .= ", place_id ";
+
+                $aSubSelects[] = $sSQL;
             }
-            // osmline
-            // interpolation line search only if a housenumber was searched and if it was found (i.e. aPlaceIDs[placeID] = housenumber != -1) (realized through a join)
-            $sSQL .= " UNION ";
-            $sSQL .= "SELECT ";
-            $sSQL .= "  'W' AS osm_type, ";
-            $sSQL .= "  osm_id, ";
-            $sSQL .= "  'place' AS class, ";
-            $sSQL .= "  'house' AS type, ";
-            $sSQL .= "  null AS admin_level, ";
-            $sSQL .= "  30 AS rank_search, ";
-            $sSQL .= "  30 AS rank_address, ";
-            $sSQL .= "  min(place_id) as place_id, ";
-            $sSQL .= "  min(parent_place_id) AS parent_place_id, ";
-            $sSQL .= "  country_code, ";
-            $sSQL .= "  get_address_by_language(place_id, housenumber_for_place, $sLanguagePrefArraySQL) AS langaddress, ";
-            $sSQL .= "  null AS placename, ";
-            $sSQL .= "  null AS ref, ";
-            if ($this->bIncludeExtraTags) $sSQL .= "null AS extra, ";
-            if ($this->bIncludeNameDetails) $sSQL .= "null AS names, ";
-            $sSQL .= "  AVG(st_x(centroid)) AS lon, ";
-            $sSQL .= "  AVG(st_y(centroid)) AS lat, ";
-            $sSQL .= "  -0.1".$sImportanceSQL." AS importance, ";  // slightly smaller than the importance for normal houses with rank 30, which is 0
-            $sSQL .= "  (";
-            $sSQL .= "     SELECT ";
-            $sSQL .= "       MAX(p.importance*(p.rank_address+2)) ";
-            $sSQL .= "     FROM";
-            $sSQL .= "       place_addressline s, ";
-            $sSQL .= "       placex p";
-            $sSQL .= "     WHERE s.place_id = min(blub.parent_place_id) ";
-            $sSQL .= "       AND p.place_id = s.address_place_id ";
-            $sSQL .= "       AND s.isaddress ";
-            $sSQL .= "       AND p.importance is not null";
-            $sSQL .= "  ) AS addressimportance,";
-            $sSQL .= "  null AS extra_place ";
-            $sSQL .= "  FROM (";
-            $sSQL .= "     SELECT ";
-            $sSQL .= "         osm_id, ";
-            $sSQL .= "         place_id, ";
-            $sSQL .= "         country_code, ";
-            $sSQL .= "         CASE ";             // interpolate the housenumbers here
-            $sSQL .= "           WHEN startnumber != endnumber ";
-            $sSQL .= "           THEN ST_LineInterpolatePoint(linegeo, (housenumber_for_place-startnumber::float)/(endnumber-startnumber)::float) ";
-            $sSQL .= "           ELSE ST_LineInterpolatePoint(linegeo, 0.5) ";
-            $sSQL .= "         END as centroid, ";
-            $sSQL .= "         parent_place_id, ";
-            $sSQL .= "         housenumber_for_place ";
-            $sSQL .= "     FROM (";
-            $sSQL .= "            location_property_osmline ";
-            $sSQL .= "            JOIN (values ".$sHousenumbers.") AS housenumbers(place_id, housenumber_for_place) USING(place_id)";
-            $sSQL .= "          ) ";
-            $sSQL .= "     WHERE housenumber_for_place>=0 ";
-            $sSQL .= "       AND 30 between $this->iMinAddressRank AND $this->iMaxAddressRank";
-            $sSQL .= "  ) as blub"; //postgres wants an alias here
-            $sSQL .= "  GROUP BY ";
-            $sSQL .= "    osm_id, ";
-            $sSQL .= "    place_id, ";
-            $sSQL .= "    housenumber_for_place, ";
-            $sSQL .= "    country_code "; //is this group by really needed?, place_id + housenumber (in combination) are unique
-            if (!$this->bDeDupe) $sSQL .= ", place_id ";
 
             if (CONST_Use_Aux_Location_data) {
-                $sSQL .= " UNION ";
-                $sSQL .= "  SELECT ";
-                $sSQL .= "     'L' AS osm_type, ";
-                $sSQL .= "     place_id AS osm_id, ";
-                $sSQL .= "     'place' AS class,";
-                $sSQL .= "     'house' AS type, ";
-                $sSQL .= "     null AS admin_level, ";
-                $sSQL .= "     0 AS rank_search,";
-                $sSQL .= "     0 AS rank_address, ";
-                $sSQL .= "     min(place_id) AS place_id,";
-                $sSQL .= "     min(parent_place_id) AS parent_place_id, ";
-                $sSQL .= "     'us' AS country_code, ";
-                $sSQL .= "     get_address_by_language(place_id, -1, $sLanguagePrefArraySQL) AS langaddress, ";
-                $sSQL .= "     null AS placename, ";
-                $sSQL .= "     null AS ref, ";
-                if ($this->bIncludeExtraTags) $sSQL .= "null AS extra, ";
-                if ($this->bIncludeNameDetails) $sSQL .= "null AS names, ";
-                $sSQL .= "     avg(ST_X(centroid)) AS lon, ";
-                $sSQL .= "     avg(ST_Y(centroid)) AS lat, ";
-                $sSQL .= "     -1.10".$sImportanceSQL." AS importance, ";
-                $sSQL .= "     ( ";
-                $sSQL .= "       SELECT max(p.importance*(p.rank_address+2))";
-                $sSQL .= "       FROM ";
-                $sSQL .= "          place_addressline s, ";
-                $sSQL .= "          placex p";
-                $sSQL .= "       WHERE s.place_id = min(location_property_aux.parent_place_id)";
-                $sSQL .= "         AND p.place_id = s.address_place_id ";
-                $sSQL .= "         AND s.isaddress";
-                $sSQL .= "         AND p.importance is not null";
-                $sSQL .= "     ) AS addressimportance, ";
-                $sSQL .= "     null AS extra_place ";
-                $sSQL .= "  FROM location_property_aux ";
-                $sSQL .= "  WHERE place_id in ($sPlaceIDs) ";
-                $sSQL .= "    AND 30 between $this->iMinAddressRank and $this->iMaxAddressRank ";
-                $sSQL .= "  GROUP BY ";
-                $sSQL .= "     place_id, ";
-                if (!$this->bDeDupe) $sSQL .= "place_id, ";
-                $sSQL .= "     get_address_by_language(place_id, -1, $sLanguagePrefArraySQL) ";
+                $sPlaceIDs = Result::joinIdsByTable($aResults, Result::TABLE_AUX);
+                if ($sPlaceIDs) {
+                    $sHousenumbers = Result::sqlHouseNumberTable($aResults, Result::TABLE_AUX);
+                    $sSQL = "  SELECT ";
+                    $sSQL .= "     'L' AS osm_type, ";
+                    $sSQL .= "     place_id AS osm_id, ";
+                    $sSQL .= "     'place' AS class,";
+                    $sSQL .= "     'house' AS type, ";
+                    $sSQL .= "     null AS admin_level, ";
+                    $sSQL .= "     0 AS rank_search,";
+                    $sSQL .= "     0 AS rank_address, ";
+                    $sSQL .= "     min(place_id) AS place_id,";
+                    $sSQL .= "     min(parent_place_id) AS parent_place_id, ";
+                    $sSQL .= "     'us' AS country_code, ";
+                    $sSQL .= "     get_address_by_language(place_id, -1, $sLanguagePrefArraySQL) AS langaddress, ";
+                    $sSQL .= "     null AS placename, ";
+                    $sSQL .= "     null AS ref, ";
+                    if ($this->bIncludeExtraTags) $sSQL .= "null AS extra, ";
+                    if ($this->bIncludeNameDetails) $sSQL .= "null AS names, ";
+                    $sSQL .= "     avg(ST_X(centroid)) AS lon, ";
+                    $sSQL .= "     avg(ST_Y(centroid)) AS lat, ";
+                    $sSQL .= "     -1.10".$sImportanceSQL." AS importance, ";
+                    if ($oCtx->hasNearPoint()) {
+                        $sSQL .= $oCtx->distanceSQL('ST_Collect(centroid)')." AS addressimportance,";
+                    } else {
+                        $sSQL .= "     ( ";
+                        $sSQL .= "       SELECT max(p.importance*(p.rank_address+2))";
+                        $sSQL .= "       FROM ";
+                        $sSQL .= "          place_addressline s, ";
+                        $sSQL .= "          placex p";
+                        $sSQL .= "       WHERE s.place_id = min(location_property_aux.parent_place_id)";
+                        $sSQL .= "         AND p.place_id = s.address_place_id ";
+                        $sSQL .= "         AND s.isaddress";
+                        $sSQL .= "         AND p.importance is not null";
+                        $sSQL .= "     ) AS addressimportance, ";
+                    }
+                    $sSQL .= "     null AS extra_place ";
+                    $sSQL .= "  FROM location_property_aux ";
+                    $sSQL .= "  WHERE place_id in ($sPlaceIDs) ";
+                    $sSQL .= "    AND 30 between $this->iMinAddressRank and $this->iMaxAddressRank ";
+                    $sSQL .= "  GROUP BY ";
+                    $sSQL .= "     place_id, ";
+                    if (!$this->bDeDupe) $sSQL .= "place_id, ";
+                    $sSQL .= "     langaddress ";
+
+                    $aSubSelects[] = $sSQL;
+                }
             }
         }
 
-        $sSQL .= " order by importance desc";
+        if (!sizeof($aSubSelects)) {
+            return array();
+        }
+
+        $sSQL = join(' UNION ', $aSubSelects)." order by importance desc";
         if (CONST_Debug) {
             echo "<hr>";
             var_dump($sSQL);
@@ -648,7 +690,7 @@ class Geocode
         return $aSearchResults;
     }
 
-    public function getGroupedSearches($aSearches, $aPhraseTypes, $aPhrases, $aValidTokens, $aWordFrequencyScores, $bStructuredPhrases, $sNormQuery)
+    public function getGroupedSearches($aSearches, $aPhrases, $aValidTokens, $bIsStructured)
     {
         /*
              Calculate all searches using aValidTokens i.e.
@@ -663,15 +705,11 @@ class Geocode
          */
         $iGlobalRank = 0;
 
-        foreach ($aPhrases as $iPhrase => $aPhrase) {
+        foreach ($aPhrases as $iPhrase => $oPhrase) {
             $aNewPhraseSearches = array();
-            if ($bStructuredPhrases) {
-                $sPhraseType = $aPhraseTypes[$iPhrase];
-            } else {
-                $sPhraseType = '';
-            }
+            $sPhraseType = $bIsStructured ? $oPhrase->getPhraseType() : '';
 
-            foreach ($aPhrase['wordsets'] as $iWordSet => $aWordset) {
+            foreach ($oPhrase->getWordSets() as $iWordSet => $aWordset) {
                 // Too many permutations - too expensive
                 if ($iWordSet > 120) break;
 
@@ -690,17 +728,8 @@ class Geocode
                         // If the token is valid
                         if (isset($aValidTokens[' '.$sToken])) {
                             foreach ($aValidTokens[' '.$sToken] as $aSearchTerm) {
-                                // Recheck if the original word shows up in the query.
-                                $bWordInQuery = false;
-                                if (isset($aSearchTerm['word']) && $aSearchTerm['word']) {
-                                    $bWordInQuery = strpos(
-                                        $sNormQuery,
-                                        $this->normTerm($aSearchTerm['word'])
-                                    ) !== false;
-                                }
                                 $aNewSearches = $oCurrentSearch->extendWithFullTerm(
                                     $aSearchTerm,
-                                    $bWordInQuery,
                                     isset($aValidTokens[$sToken])
                                       && strpos($sToken, ' ') === false,
                                     $sPhraseType,
@@ -726,9 +755,8 @@ class Geocode
                             foreach ($aValidTokens[$sToken] as $aSearchTerm) {
                                 $aNewSearches = $oCurrentSearch->extendWithPartialTerm(
                                     $aSearchTerm,
-                                    $bStructuredPhrases,
+                                    $bIsStructured,
                                     $iPhrase,
-                                    $aWordFrequencyScores,
                                     isset($aValidTokens[' '.$sToken]) ? $aValidTokens[' '.$sToken] : array()
                                 );
 
@@ -786,7 +814,7 @@ class Geocode
         // Revisit searches, drop bad searches and give penalty to unlikely combinations.
         $aGroupedSearches = array();
         foreach ($aSearches as $oSearch) {
-            if (!$oSearch->isValidSearch($this->aCountryCodes)) {
+            if (!$oSearch->isValidSearch()) {
                 continue;
             }
 
@@ -846,7 +874,7 @@ class Geocode
                 $this->aRouteWidth,
                 $this->bBoundedSearch
             );
-        } else if ($this->aViewBox) {
+        } elseif ($this->aViewBox) {
             $oCtx->setViewboxFromBox($this->aViewBox, $this->bBoundedSearch);
         }
         if ($this->aExcludePlaceIDs) {
@@ -935,10 +963,10 @@ class Geocode
             // Split query into phrases
             // Commas are used to reduce the search space by indicating where phrases split
             if ($this->aStructuredQuery) {
-                $aPhrases = $this->aStructuredQuery;
+                $aInPhrases = $this->aStructuredQuery;
                 $bStructuredPhrases = true;
             } else {
-                $aPhrases = explode(',', $sQuery);
+                $aInPhrases = explode(',', $sQuery);
                 $bStructuredPhrases = false;
             }
 
@@ -947,25 +975,19 @@ class Geocode
             // Get all 'sets' of words
             // Generate a complete list of all
             $aTokens = array();
-            foreach ($aPhrases as $iPhrase => $sPhrase) {
-                $aPhrase = chksql(
-                    $this->oDB->getRow("SELECT make_standard_name('".pg_escape_string($sPhrase)."') as string"),
+            $aPhrases = array();
+            foreach ($aInPhrases as $iPhrase => $sPhrase) {
+                $sPhrase = chksql(
+                    $this->oDB->getOne('SELECT make_standard_name('.getDBQuoted($sPhrase).')'),
                     "Cannot normalize query string (is it a UTF-8 string?)"
                 );
-                if (trim($aPhrase['string'])) {
-                    $aPhrases[$iPhrase] = $aPhrase;
-                    $aPhrases[$iPhrase]['words'] = explode(' ', $aPhrases[$iPhrase]['string']);
-                    $aPhrases[$iPhrase]['wordsets'] = getWordSets($aPhrases[$iPhrase]['words'], 0);
-                    $aTokens = array_merge($aTokens, getTokensFromSets($aPhrases[$iPhrase]['wordsets']));
-                } else {
-                    unset($aPhrases[$iPhrase]);
+                if (trim($sPhrase)) {
+                    $oPhrase = new Phrase($sPhrase, is_string($iPhrase) ? $iPhrase : '');
+                    $oPhrase->addTokens($aTokens);
+                    $aPhrases[] = $oPhrase;
                 }
             }
 
-            // Reindex phrases - we make assumptions later on that they are numerically keyed in order
-            $aPhraseTypes = array_keys($aPhrases);
-            $aPhrases = array_values($aPhrases);
-
             if (sizeof($aTokens)) {
                 // Check which tokens we have, get the ID numbers
                 $sSQL = 'SELECT word_id, word_token, word, class, type, country_code, operator, search_name_count';
@@ -979,22 +1001,29 @@ class Geocode
                     $this->oDB->getAll($sSQL),
                     "Could not get word tokens."
                 );
-                $aPossibleMainWordIDs = array();
                 $aWordFrequencyScores = array();
                 foreach ($aDatabaseWords as $aToken) {
-                    // Very special case - require 2 letter country param to match the country code found
-                    if ($bStructuredPhrases && $aToken['country_code'] && !empty($this->aStructuredQuery['country'])
-                        && strlen($this->aStructuredQuery['country']) == 2 && strtolower($this->aStructuredQuery['country']) != $aToken['country_code']
+                    // Filter country tokens that do not match restricted countries.
+                    if ($this->aCountryCodes
+                        && $aToken['country_code']
+                        && !in_array($aToken['country_code'], $this->aCountryCodes)
                     ) {
                         continue;
                     }
 
+                    // Special terms need to appear in their normalized form.
+                    if ($aToken['word'] && $aToken['class']) {
+                        $sNormWord = $this->normTerm($aToken['word']);
+                        if (strpos($sNormQuery, $sNormWord) === false) {
+                            continue;
+                        }
+                    }
+
                     if (isset($aValidTokens[$aToken['word_token']])) {
                         $aValidTokens[$aToken['word_token']][] = $aToken;
                     } else {
                         $aValidTokens[$aToken['word_token']] = array($aToken);
                     }
-                    if (!$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);
@@ -1026,23 +1055,18 @@ class Geocode
                 // Any words that have failed completely?
                 // TODO: suggestions
 
-                // Start the search process
-                // array with: placeid => -1 | tiger-housenumber
-                $aResultPlaceIDs = array();
-
-                $aGroupedSearches = $this->getGroupedSearches($aSearches, $aPhraseTypes, $aPhrases, $aValidTokens, $aWordFrequencyScores, $bStructuredPhrases, $sNormQuery);
+                $aGroupedSearches = $this->getGroupedSearches($aSearches, $aPhrases, $aValidTokens, $bStructuredPhrases);
 
                 if ($this->bReverseInPlan) {
                     // Reverse phrase array and also reverse the order of the wordsets in
                     // the first and final phrase. Don't bother about phrases in the middle
                     // because order in the address doesn't matter.
                     $aPhrases = array_reverse($aPhrases);
-                    $aPhrases[0]['wordsets'] = getInverseWordSets($aPhrases[0]['words'], 0);
+                    $aPhrases[0]->invertWordSets();
                     if (sizeof($aPhrases) > 1) {
-                        $aFinalPhrase = end($aPhrases);
-                        $aPhrases[sizeof($aPhrases)-1]['wordsets'] = getInverseWordSets($aFinalPhrase['words'], 0);
+                        $aPhrases[sizeof($aPhrases)-1]->invertWordSets();
                     }
-                    $aReverseGroupedSearches = $this->getGroupedSearches($aSearches, null, $aPhrases, $aValidTokens, $aWordFrequencyScores, false, $sNormQuery);
+                    $aReverseGroupedSearches = $this->getGroupedSearches($aSearches, $aPhrases, $aValidTokens, false);
 
                     foreach ($aGroupedSearches as $aSearches) {
                         foreach ($aSearches as $aSearch) {
@@ -1084,168 +1108,102 @@ class Geocode
 
             if (CONST_Debug) _debugDumpGroupedSearches($aGroupedSearches, $aValidTokens);
 
+            // Start the search process
+            $aResults = array();
             $iGroupLoop = 0;
             $iQueryLoop = 0;
             foreach ($aGroupedSearches as $iGroupedRank => $aSearches) {
                 $iGroupLoop++;
                 foreach ($aSearches as $oSearch) {
                     $iQueryLoop++;
-                    $searchedHousenumber = -1;
-
-                    if (CONST_Debug) echo "<hr><b>Search Loop, group $iGroupLoop, loop $iQueryLoop</b>";
-                    if (CONST_Debug) _debugDumpGroupedSearches(array($iGroupedRank => array($oSearch)), $aValidTokens);
-
-                    $aPlaceIDs = array();
-                    if ($oSearch->isCountrySearch()) {
-                        // Just looking for a country - look it up
-                        if (4 >= $this->iMinAddressRank && 4 <= $this->iMaxAddressRank) {
-                            $aPlaceIDs = $oSearch->queryCountry($this->oDB);
-                        }
-                    } elseif (!$oSearch->isNamedSearch()) {
-                        // looking for a POI in a geographic area
-                        if (!$oCtx->isBoundedSearch()) {
-                            continue;
-                        }
-                        $aPlaceIDs = $oSearch->queryNearbyPoi($this->oDB, $this->iLimit);
-                    } elseif ($oSearch->isOperator(Operator::POSTCODE)) {
-                        // looking for postcode
-                        $aPlaceIDs = $oSearch->queryPostcode($this->oDB, $this->iLimit);
-                    } else {
-                        // Ordinary search:
-                        // First search for places according to name and address.
-                        $aNamedPlaceIDs = $oSearch->queryNamedPlace(
-                            $this->oDB,
-                            $aWordFrequencyScores,
-                            $this->iMinAddressRank,
-                            $this->iMaxAddressRank,
-                            $this->iLimit
-                        );
-
-                        if (sizeof($aNamedPlaceIDs)) {
-                            foreach ($aNamedPlaceIDs as $aRow) {
-                                $aPlaceIDs[] = $aRow['place_id'];
-                                $this->exactMatchCache[$aRow['place_id']] = $aRow['exactmatch'];
-                            }
-                        }
-
-                        //now search for housenumber, if housenumber provided
-                        if ($oSearch->hasHouseNumber() && sizeof($aPlaceIDs)) {
-                            $aResult = $oSearch->queryHouseNumber(
-                                $this->oDB,
-                                $aPlaceIDs,
-                                $this->iLimit
-                            );
-
-                            if (sizeof($aResult)) {
-                                $searchedHousenumber = $aResult['iHouseNumber'];
-                                $aPlaceIDs = $aResult['aPlaceIDs'];
-                            } elseif (!$oSearch->looksLikeFullAddress()) {
-                                $aPlaceIDs = array();
-                            }
-                        }
-
-                        // finally get POIs if requested
-                        if ($oSearch->isPoiSearch() && sizeof($aPlaceIDs)) {
-                            $aPlaceIDs = $oSearch->queryPoiByOperator(
-                                $this->oDB,
-                                $aPlaceIDs,
-                                $this->iLimit
-                            );
-                        }
-                    }
 
                     if (CONST_Debug) {
-                        echo "<br><b>Place IDs:</b> ";
-                        var_Dump($aPlaceIDs);
+                        echo "<hr><b>Search Loop, group $iGroupLoop, loop $iQueryLoop</b>";
+                        _debugDumpGroupedSearches(array($iGroupedRank => array($oSearch)), $aValidTokens);
                     }
 
-                    if (sizeof($aPlaceIDs) && $oSearch->getPostcode()) {
-                        $sSQL = 'SELECT place_id FROM placex';
-                        $sSQL .= ' WHERE place_id in ('.join(',', $aPlaceIDs).')';
-                        $sSQL .= " AND postcode = '".$oSearch->getPostcode()."'";
-                        if (CONST_Debug) var_dump($sSQL);
-                        $aFilteredPlaceIDs = chksql($this->oDB->getCol($sSQL));
-                        if ($aFilteredPlaceIDs) {
-                            $aPlaceIDs = $aFilteredPlaceIDs;
-                            if (CONST_Debug) {
-                                echo "<br><b>Place IDs after postcode filtering:</b> ";
-                                var_Dump($aPlaceIDs);
-                            }
-                        }
-                    }
+                    $aResults += $oSearch->query(
+                        $this->oDB,
+                        $aWordFrequencyScores,
+                        $this->iMinAddressRank,
+                        $this->iMaxAddressRank,
+                        $this->iLimit
+                    );
 
-                    foreach ($aPlaceIDs as $iPlaceID) {
-                        // array for placeID => -1 | Tiger housenumber
-                        $aResultPlaceIDs[$iPlaceID] = $searchedHousenumber;
-                    }
                     if ($iQueryLoop > 20) break;
                 }
 
-                if (isset($aResultPlaceIDs) && sizeof($aResultPlaceIDs) && ($this->iMinAddressRank != 0 || $this->iMaxAddressRank != 30)) {
+                if (sizeof($aResults) && ($this->iMinAddressRank != 0 || $this->iMaxAddressRank != 30)) {
                     // Need to verify passes rank limits before dropping out of the loop (yuk!)
                     // reduces the number of place ids, like a filter
                     // rank_address is 30 for interpolated housenumbers
-                    $sWherePlaceId = 'WHERE place_id in (';
-                    $sWherePlaceId .= join(',', array_keys($aResultPlaceIDs)).') ';
-
-                    $sSQL = "SELECT place_id ";
-                    $sSQL .= "FROM placex ".$sWherePlaceId;
-                    $sSQL .= "  AND (";
-                    $sSQL .= "         placex.rank_address between $this->iMinAddressRank and $this->iMaxAddressRank ";
-                    if (14 >= $this->iMinAddressRank && 14 <= $this->iMaxAddressRank) {
-                        $sSQL .= "     OR (extratags->'place') = 'city'";
-                    }
-                    if ($this->aAddressRankList) {
-                        $sSQL .= "     OR placex.rank_address in (".join(',', $this->aAddressRankList).")";
-                    }
-                    $sSQL .= "  ) UNION ";
-                    $sSQL .= " SELECT place_id FROM location_postcode lp ".$sWherePlaceId;
-                    $sSQL .= "  AND (lp.rank_address between $this->iMinAddressRank and $this->iMaxAddressRank ";
-                    if ($this->aAddressRankList) {
-                        $sSQL .= "     OR lp.rank_address in (".join(',', $this->aAddressRankList).")";
+                    $aFilterSql = array();
+                    $sPlaceIds = Result::joinIdsByTable($aResults, Result::TABLE_PLACEX);
+                    if ($sPlaceIds) {
+                        $sSQL = 'SELECT place_id FROM placex ';
+                        $sSQL .= 'WHERE place_id in ('.$sPlaceIds.') ';
+                        $sSQL .= "  AND (";
+                        $sSQL .= "         placex.rank_address between $this->iMinAddressRank and $this->iMaxAddressRank ";
+                        if (14 >= $this->iMinAddressRank && 14 <= $this->iMaxAddressRank) {
+                            $sSQL .= "     OR (extratags->'place') = 'city'";
+                        }
+                        if ($this->aAddressRankList) {
+                            $sSQL .= "     OR placex.rank_address in (".join(',', $this->aAddressRankList).")";
+                        }
+                        $sSQL .= ")";
+                        $aFilterSql[] = $sSQL;
                     }
-                    $sSQL .= ") ";
-                    if (CONST_Use_US_Tiger_Data && $this->iMaxAddressRank == 30) {
-                        $sSQL .= "UNION ";
-                        $sSQL .= "  SELECT place_id ";
-                        $sSQL .= "  FROM location_property_tiger ".$sWherePlaceId;
+                    $sPlaceIds = Result::joinIdsByTable($aResults, Result::TABLE_POSTCODE);
+                    if ($sPlaceIds) {
+                        $sSQL = ' SELECT place_id FROM location_postcode lp ';
+                        $sSQL .= 'WHERE place_id in ('.$sPlaceIds.') ';
+                        $sSQL .= "  AND (lp.rank_address between $this->iMinAddressRank and $this->iMaxAddressRank ";
+                        if ($this->aAddressRankList) {
+                            $sSQL .= "     OR lp.rank_address in (".join(',', $this->aAddressRankList).")";
+                        }
+                        $sSQL .= ") ";
+                        $aFilterSql[] = $sSQL;
                     }
-                    if ($this->iMaxAddressRank == 30) {
-                        $sSQL .= "UNION ";
-                        $sSQL .= "  SELECT place_id ";
-                        $sSQL .= "  FROM location_property_osmline ".$sWherePlaceId;
+
+                    $aFilteredIDs = array();
+                    if ($aFilterSql) {
+                        $sSQL = join(' UNION ', $aFilterSql);
+                        if (CONST_Debug) var_dump($sSQL);
+                        $aFilteredIDs = chksql($this->oDB->getCol($sSQL));
                     }
-                    if (CONST_Debug) var_dump($sSQL);
-                    $aFilteredPlaceIDs = chksql($this->oDB->getCol($sSQL));
+
                     $tempIDs = array();
-                    foreach ($aFilteredPlaceIDs as $placeID) {
-                        $tempIDs[$placeID] = $aResultPlaceIDs[$placeID];  //assign housenumber to placeID
+                    foreach ($aResults as $oResult) {
+                        if (($this->iMaxAddressRank == 30 &&
+                             ($oResult->iTable == Result::TABLE_OSMLINE
+                              || $oResult->iTable == Result::TABLE_AUX
+                              || $oResult->iTable == Result::TABLE_TIGER))
+                            || in_array($oResult->iId, $aFilteredIDs)
+                        ) {
+                            $tempIDs[$oResult->iId] = $oResult;
+                        }
                     }
-                    $aResultPlaceIDs = $tempIDs;
+                    $aResults = $tempIDs;
                 }
 
-                //exit;
-                if (isset($aResultPlaceIDs) && sizeof($aResultPlaceIDs)) break;
+                if (sizeof($aResults)) break;
                 if ($iGroupLoop > 4) break;
                 if ($iQueryLoop > 30) break;
             }
 
-            // Did we find anything?
-            if (isset($aResultPlaceIDs) && sizeof($aResultPlaceIDs)) {
-                $aSearchResults = $this->getDetails($aResultPlaceIDs, $oCtx);
-            }
+            $aSearchResults = $this->getDetails($aResults, $oCtx);
         } else {
             // Just interpret as a reverse geocode
             $oReverse = new ReverseGeocode($this->oDB);
             $oReverse->setZoom(18);
 
-            $aLookup = $oReverse->lookupPoint($oCtx->sqlNear, false);
+            $oLookup = $oReverse->lookupPoint($oCtx->sqlNear, false);
 
             if (CONST_Debug) var_dump("Reverse search", $aLookup);
 
-            if ($aLookup['place_id']) {
-                $aSearchResults = $this->getDetails(array($aLookup['place_id'] => -1), $oCtx);
-                $aResultPlaceIDs[$aLookup['place_id']] = -1;
+            if ($oLookup) {
+                $aResults = array($oLookup->iId => $oLookup);
+                $aSearchResults = $this->getDetails($aResults, $oCtx);
             } else {
                 $aSearchResults = array();
             }
@@ -1315,7 +1273,7 @@ class Geocode
             // if tag '&addressdetails=1' is set in query
             if ($this->bIncludeAddressDetails) {
                 // getAddressDetails() is defined in lib.php and uses the SQL function get_addressdata in functions.sql
-                $aResult['address'] = getAddressDetails($this->oDB, $sLanguagePrefArraySQL, $aResult['place_id'], $aResult['country_code'], $aResultPlaceIDs[$aResult['place_id']]);
+                $aResult['address'] = getAddressDetails($this->oDB, $sLanguagePrefArraySQL, $aResult['place_id'], $aResult['country_code'], $aResults[$aResult['place_id']]->iHouseNumber);
                 if ($aResult['extra_place'] == 'city' && !isset($aResult['address']['city'])) {
                     $aResult['address'] = array_merge(array('city' => array_values($aResult['address'])[0]), $aResult['address']);
                 }
@@ -1337,36 +1295,38 @@ class Geocode
                 }
             }
 
-            // 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) {
-                    $iCountWords++;
-                    if (preg_match("/(^|,)\s*".preg_quote($sWord, '/')."\s*(,|$)/", $sAddress)) $iCountWords += 0.1;
-                }
-            }
-
-            $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
-
             $aResult['name'] = $aResult['langaddress'];
-            // secondary ordering (for results with same importance (the smaller the better):
-            // - approximate importance of address parts
-            $aResult['foundorder'] = -$aResult['addressimportance']/10;
-            // - number of exact matches from the query
-            if (isset($this->exactMatchCache[$aResult['place_id']])) {
-                $aResult['foundorder'] -= $this->exactMatchCache[$aResult['place_id']];
-            } elseif (isset($this->exactMatchCache[$aResult['parent_place_id']])) {
-                $aResult['foundorder'] -= $this->exactMatchCache[$aResult['parent_place_id']];
-            }
-            // - importance of the class/type
-            if (isset($aClassType[$aResult['class'].':'.$aResult['type']]['importance'])
-                && $aClassType[$aResult['class'].':'.$aResult['type']]['importance']
-            ) {
-                $aResult['foundorder'] += 0.0001 * $aClassType[$aResult['class'].':'.$aResult['type']]['importance'];
+
+            if ($oCtx->hasNearPoint()) {
+                $aResult['importance'] = 0.001;
+                $aResult['foundorder'] = $aResult['addressimportance'];
             } else {
-                $aResult['foundorder'] += 0.01;
+                // 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) {
+                        $iCountWords++;
+                        if (preg_match("/(^|,)\s*".preg_quote($sWord, '/')."\s*(,|$)/", $sAddress)) $iCountWords += 0.1;
+                    }
+                }
+
+                $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
+
+                // secondary ordering (for results with same importance (the smaller the better):
+                // - approximate importance of address parts
+                $aResult['foundorder'] = -$aResult['addressimportance']/10;
+                // - number of exact matches from the query
+                $aResult['foundorder'] -= $aResults[$aResult['place_id']]->iExactMatches;
+                // - importance of the class/type
+                if (isset($aClassType[$aResult['class'].':'.$aResult['type']]['importance'])
+                    && $aClassType[$aResult['class'].':'.$aResult['type']]['importance']
+                ) {
+                    $aResult['foundorder'] += 0.0001 * $aClassType[$aResult['class'].':'.$aResult['type']]['importance'];
+                } else {
+                    $aResult['foundorder'] += 0.01;
+                }
             }
             if (CONST_Debug) var_dump($aResult);
             $aSearchResults[$iResNum] = $aResult;