From: Sarah Hoffmann <lonvia@denofr.de>
Date: Mon, 7 May 2018 19:28:32 +0000 (+0200)
Subject: narrow down search by house number when postcode is given
X-Git-Tag: v3.2.0~73
X-Git-Url: https://git.openstreetmap.org./nominatim.git/commitdiff_plain/c555b60b366d6efb9acada65e0212196837a8b0f

narrow down search by house number when postcode is given

Fixes #1034.
---

diff --git a/lib/SearchDescription.php b/lib/SearchDescription.php
index 07eccec4..5f01e01b 100644
--- a/lib/SearchDescription.php
+++ b/lib/SearchDescription.php
@@ -593,7 +593,11 @@ class SearchDescription
         $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(';