narrow down search by house number when postcode is given

Fixes #1034.
osm-search · May 7, 2018 · c555b60 · c555b60
1 parent b30e2ab
commit c555b60
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/lib/SearchDescription.php b/lib/SearchDescription.php
@@ -593,7 +593,11 @@ private function queryNamedPlace(&$oDB, $iMinAddressRank, $iMaxAddressRank, $iLi
         $aTerms = array();
         $aOrder = array();
 
-        if ($this->sHouseNumber && !empty($this->aAddress)) {
+        // Sort by existence of the requested house number but only if not
+        // too many results are expected for the street, i.e. if the result
+        // will be narrowed down by an address. Remeber that with ordering
+        // every single result has to be checked.
+        if ($this->sHouseNumber && (!empty($this->aAddress) || $this->sPostcode)) {
             $sHouseNumberRegex = '\\\\m'.$this->sHouseNumber.'\\\\M';
             $aOrder[] = ' (';
             $aOrder[0] .= 'EXISTS(';