handle 'order state level queries better

[nominatim.git] / website / search.php

diff --git a/website/search.php b/website/search.php
index 1ef21e5c77ffa6fb8ccac0963e4247cb2df77e19..afce2ee25da8d8ff87c0de3ef28f5bf4b190db09 100755 (executable)
--- a/website/search.php
+++ b/website/search.php
@@ -54,6 +54,8 @@
        }
 
   // 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'])


@@ -106,6 +108,12 @@
 
                // 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);
 
                // 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('/\\bil\\b/','illinois', $sQuery);
+                       $sQuery = preg_replace('/\\bal\\b/','alabama', $sQuery);
+                       $sQuery = preg_replace('/\\bla\\b/','louisiana', $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 


@@ -850,36 +858,67 @@
                                                                
                                                                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);
+
+                                                                       $sSQL = "select min(rank_search) from placex where place_id in ($sPlaceIDs)";

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

-                                                                       $iMaxRank = ((int)$oDB->getOne($sSQL)) + 5;
+                                                                       $iMaxRank = ((int)$oDB->getOne($sSQL));

 
 

+                                                                       // 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);
                                                                        $sSQL = "select place_id from placex where place_id in ($sPlaceIDs) and rank_search < $iMaxRank";
                                                                        if (CONST_Debug) var_dump($sSQL);
                                                                        $aPlaceIDs = $oDB->getCol($sSQL);
                                                                        $sPlaceIDs = join(',',$aPlaceIDs);

+                                                                       }

 
 

-                                                                       if ($sPlaceIDs)
+                                                                       if ($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;
+                                                                               
+                                                                               $sSQL = "select distinct l.place_id from place_classtype_".$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, st_centroid(f.geometry), $fRange) ";
+                                                                               }
+                                                                               if ($sPlaceGeom)
+                                                                               {
+                                                                                       $sSQL .= " where ";
+                                                                                       $sSQL .= "ST_Contains('".$sPlaceGeom."', l.centroid) ";
+                                                                               }

                                                                                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";
                                                                                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 $sSQL .= " order by ST_Distance(l.centroid, f.geometry) asc";
+                                                                               else if ($sPlaceIDs) $sSQL .= " order by ST_Distance(l.centroid, f.geometry) asc";
+                                                                               else if ($sPlaceGeom) $sSQL .= " order by ST_Distance(st_centroid('".$sPlaceGeom."'), l.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);


@@ -887,7 +926,7 @@
                                                                        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 = "select distinct 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) ";
                                                                                $sSQL .= "and l.class='".$aSearch['sClass']."' and l.type='".$aSearch['sType']."' ";
                                                                                if (sizeof($aExcludePlaceIDs))
                                                                                $sSQL .= "f.place_id in ( $sPlaceIDs) and ST_DWithin(l.geometry, st_centroid(f.geometry), $fRange) ";
                                                                                $sSQL .= "and l.class='".$aSearch['sClass']."' and l.type='".$aSearch['sType']."' ";
                                                                                if (sizeof($aExcludePlaceIDs))