restrict postcode searches to postcode in first token

[nominatim.git] / lib / SearchDescription.php

diff --git a/lib/SearchDescription.php b/lib/SearchDescription.php
index 358e6969577f97ac52031c7bd10689572c405d6f..ad404528968ad94075bc414af0bc0f5a185873cc 100644 (file)
--- a/lib/SearchDescription.php
+++ b/lib/SearchDescription.php
@@ -199,15 +199,10 @@ class SearchDescription
         } elseif (($sPhraseType == '' || $sPhraseType == 'postalcode')
                   && is_a($oSearchTerm, '\Nominatim\Token\Postcode')
         ) {
-            // We need to try the case where the postal code is the primary element
-            // (i.e. no way to tell if it is (postalcode, city) OR (city, postalcode)
-            // so try both.
             if (!$this->sPostcode) {
                 // If we have structured search or this is the first term,
                 // make the postcode the primary search element.
-                if ($this->iOperator == Operator::NONE
-                    && ($sPhraseType == 'postalcode' || $bFirstToken)
-                ) {
+                if ($this->iOperator == Operator::NONE && $bFirstToken) {
                     $oSearch = clone $this;
                     $oSearch->iSearchRank++;
                     $oSearch->iOperator = Operator::POSTCODE;
@@ -447,8 +442,8 @@ class SearchDescription
                 $iLimit
             );
 
-            //now search for housenumber, if housenumber provided
-            if ($this->sHouseNumber && !empty($aResults)) {
+            // Now search for housenumber, if housenumber provided. Can be zero.
+            if (($this->sHouseNumber || $this->sHouseNumber === '0') && !empty($aResults)) {
                 // Downgrade the rank of the street results, they are missing
                 // the housenumber.
                 foreach ($aResults as $oRes) {
@@ -588,6 +583,9 @@ class SearchDescription
 
         $sSQL .= "p.postcode = '".reset($this->aName)."'";
         $sSQL .= $this->countryCodeSQL(' AND p.country_code');
+        if ($this->oContext->bViewboxBounded) {
+            $sSQL .= ' AND ST_Intersects('.$this->oContext->sqlViewboxSmall.', geometry)';
+        }
         $sSQL .= $this->oContext->excludeSQL(' AND p.place_id');
         $sSQL .= " LIMIT $iLimit";
 
@@ -654,13 +652,10 @@ class SearchDescription
         }
 
         if ($this->sHouseNumber) {
-            $aTerms[] = 'address_rank between 16 and 27';
+            $aTerms[] = 'address_rank between 16 and 30';
         } elseif (!$this->sClass || $this->iOperator == Operator::NAME) {
             if ($iMinAddressRank > 0) {
-                $aTerms[] = 'address_rank >= '.$iMinAddressRank;
-            }
-            if ($iMaxAddressRank < 30) {
-                $aTerms[] = 'address_rank <= '.$iMaxAddressRank;
+                $aTerms[] = "((address_rank between $iMinAddressRank and $iMaxAddressRank) or (search_rank between $iMinAddressRank and $iMaxAddressRank))";
             }
         }