X-Git-Url: https://git.openstreetmap.org./nominatim.git/blobdiff_plain/3fbba8b9db958fc9cf5b11117e814defd825dfad..0c483063dd7f5b62c28e10279e22250ec861fb8f:/utils/update.php

diff --git a/utils/update.php b/utils/update.php
index ef7e3c9f..f71c4f43 100644
--- a/utils/update.php
+++ b/utils/update.php
@@ -49,6 +49,7 @@ $aCMDOptions
 getCmdOpt($_SERVER['argv'], $aCMDOptions, $aResult, true, true);
 
 if (!isset($aResult['index-instances'])) $aResult['index-instances'] = 1;
+
 if (!isset($aResult['index-rank'])) $aResult['index-rank'] = 0;
 
 date_default_timezone_set('Etc/UTC');
@@ -322,12 +323,18 @@ if ($aResult['update-address-levels']) {
 }
 
 if ($aResult['recompute-importance']) {
-    echo 'Updating importance values for database.\n';
+    echo "Updating importance values for database.\n";
     $oDB = new Nominatim\DB();
     $oDB->connect();
 
     $sSQL = 'ALTER TABLE placex DISABLE TRIGGER ALL;';
-    $sSQL .= 'UPDATE placex SET (wikipedia, importance) = (SELECT wikipedia, importance FROM compute_importance(extratags, country_code, osm_type, osm_id));';
+    $sSQL .= 'UPDATE placex SET (wikipedia, importance) =';
+    $sSQL .= '   (SELECT wikipedia, importance';
+    $sSQL .= '    FROM compute_importance(extratags, country_code, osm_type, osm_id));';
+    $sSQL .= 'UPDATE placex s SET wikipedia = d.wikipedia, importance = d.importance';
+    $sSQL .= ' FROM placex d';
+    $sSQL .= ' WHERE s.place_id = d.linked_place_id and d.wikipedia is not null';
+    $sSQL .= '       and (s.wikipedia is null or s.importance < d.importance);';
     $sSQL .= 'ALTER TABLE placex ENABLE TRIGGER ALL;';
     $oDB->exec($sSQL);
 }